Commit 37c3268c authored by Horst.Hunger's avatar Horst.Hunger

Push the test to next-mr-bar2 to let them run in pushbuild.

parent 93287d61
#
# Tests with the utf8mb4 character set
#
--disable_warnings
drop table if exists t1,t2;
--enable_warnings
--echo #
--echo # Start of 5.5 tests
--echo #
set names utf8mb4;
select left(_utf8mb4 0xD0B0D0B1D0B2,1);
select right(_utf8mb4 0xD0B0D0B2D0B2,1);
select locate('he','hello');
select locate('he','hello',2);
select locate('lo','hello',2);
select locate('HE','hello');
select locate('HE','hello',2);
select locate('LO','hello',2);
select locate('HE','hello' collate utf8mb4_bin);
select locate('HE','hello' collate utf8mb4_bin,2);
select locate('LO','hello' collate utf8mb4_bin,2);
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D0B1D0B2);
select locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2);
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2);
select locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2 collate utf8mb4_bin);
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2 collate utf8mb4_bin);
select length(_utf8mb4 0xD0B1), bit_length(_utf8mb4 0xD0B1), char_length(_utf8mb4 0xD0B1);
select 'a' like 'a';
select 'A' like 'a';
select 'A' like 'a' collate utf8mb4_bin;
select _utf8mb4 0xD0B0D0B1D0B2 like concat(_utf8mb4'%',_utf8mb4 0xD0B1,_utf8mb4 '%');
# Bug #6040: can't retrieve records with umlaut
# characters in case insensitive manner.
# Case insensitive search LIKE comparison
# was broken for multibyte characters:
select convert(_latin1'Gnter Andr' using utf8mb4) like CONVERT(_latin1'GNTER%' USING utf8mb4);
select CONVERT(_koi8r'' USING utf8mb4) LIKE CONVERT(_koi8r'' USING utf8mb4);
select CONVERT(_koi8r'' USING utf8mb4) LIKE CONVERT(_koi8r'' USING utf8mb4);
#
# Check the following:
# "a" == "a "
# "a\0" < "a"
# "a\0" < "a "
SELECT 'a' = 'a ';
SELECT 'a\0' < 'a';
SELECT 'a\0' < 'a ';
SELECT 'a\t' < 'a';
SELECT 'a\t' < 'a ';
#
# The same for binary collation
#
SELECT 'a' = 'a ' collate utf8mb4_bin;
SELECT 'a\0' < 'a' collate utf8mb4_bin;
SELECT 'a\0' < 'a ' collate utf8mb4_bin;
SELECT 'a\t' < 'a' collate utf8mb4_bin;
SELECT 'a\t' < 'a ' collate utf8mb4_bin;
eval CREATE TABLE t1 (a char(10) character set utf8mb4 not null) ENGINE $engine;
INSERT INTO t1 VALUES ('a'),('a\0'),('a\t'),('a ');
--sorted_result
SELECT hex(a),STRCMP(a,'a'), STRCMP(a,'a ') FROM t1;
DROP TABLE t1;
#
# Fix this, it should return 1:
#
#select _utf8mb4 0xD0B0D0B1D0B2 like concat(_utf8mb4'%',_utf8mb4 0xD091,_utf8mb4 '%');
#
#
# Bug 2367: INSERT() behaviour is different for different charsets.
#
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
select insert("aa",100,1,"b"),insert("aa",1,3,"b");
#
# LELF() didn't work well with utf8mb4 in some cases too.
#
select char_length(left(@a:='тест',5)), length(@a), @a;
#
# CREATE ... SELECT
#
eval create table t1 ENGINE $engine select date_format("2004-01-19 10:10:10", "%Y-%m-%d");
show create table t1;
select * from t1;
drop table t1;
#
# Bug#22646 LC_TIME_NAMES: Assignment to non-UTF8 target fails
#
set names utf8mb4;
set LC_TIME_NAMES='fr_FR';
eval create table t1 (s1 char(20) character set latin1) engine $engine;
insert into t1 values (date_format('2004-02-02','%M'));
select hex(s1) from t1;
drop table t1;
eval create table t1 (s1 char(20) character set koi8r) engine $engine;
set LC_TIME_NAMES='ru_RU';
insert into t1 values (date_format('2004-02-02','%M'));
insert into t1 values (date_format('2004-02-02','%b'));
insert into t1 values (date_format('2004-02-02','%W'));
insert into t1 values (date_format('2004-02-02','%a'));
--sorted_result
select hex(s1), s1 from t1;
drop table t1;
set LC_TIME_NAMES='en_US';
#
# Bug #2366 Wrong utf8mb4 behaviour when data is truncated
#
set names koi8r;
eval create table t1 (s1 char(1) character set utf8mb4) engine $engine;
insert into t1 values (_koi8r'');
select s1,hex(s1),char_length(s1),octet_length(s1) from t1;
drop table t1;
if (!$is_heap)
{
eval create table t1 (s1 tinytext character set utf8mb4) engine $engine;
}
if ($is_heap)
{
eval create table t1 (s1 varchar(255) character set utf8mb4) engine $engine;
}
insert into t1 select repeat('a',300);
insert into t1 select repeat('',300);
insert into t1 select repeat('a',300);
insert into t1 select repeat('a',300);
insert into t1 select repeat('',300);
--sorted_result
select hex(s1) from t1;
--sorted_result
select length(s1),char_length(s1) from t1;
drop table t1;
if (!$is_heap)
{
eval create table t1 (s1 text character set utf8mb4) engine $engine;
}
if ($is_heap)
{
eval create table t1 (s1 varchar(255) character set utf8mb4) engine $engine;
}
insert into t1 select repeat('a',66000);
insert into t1 select repeat('',66000);
insert into t1 select repeat('a',66000);
insert into t1 select repeat('a',66000);
insert into t1 select repeat('',66000);
--sorted_result
select length(s1),char_length(s1) from t1;
drop table t1;
#
# Bug #2368 Multibyte charsets do not check that incoming data is well-formed
#
eval create table t1 (s1 char(10) character set utf8mb4) engine $engine;
insert into t1 values (0x41FF);
select hex(s1) from t1;
drop table t1;
eval create table t1 (s1 varchar(10) character set utf8mb4) engine $engine;
insert into t1 values (0x41FF);
select hex(s1) from t1;
drop table t1;
if (!$is_heap)
{
eval create table t1 (s1 text character set utf8mb4) engine $engine;
insert into t1 values (0x41FF);
select hex(s1) from t1;
drop table t1;
}
#
# Bug 2699
# UTF8 breaks primary keys for cols > 333 characters
#
if(!$is_heap)
{
if(!$is_ndb)
{
--error ER_TOO_LONG_KEY
eval create table t1 (a text character set utf8mb4, primary key(a(371))) engine $engine;
}
if($is_ndb)
{
--error ER_BLOB_USED_AS_KEY
eval create table t1 (a text character set utf8mb4, primary key(a(371))) engine $engine;
}
}
#
# Bug 2959
# UTF8 charset breaks joins with mixed column/string constant
#
eval CREATE TABLE t1 ( a varchar(10) ) CHARACTER SET utf8mb4 ENGINE $engine;
INSERT INTO t1 VALUES ( 'test' );
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = b.a;
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = 'test' and b.a = 'test';
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = b.a and a.a = 'test';
DROP TABLE t1;
eval create table t1 (a char(255) character set utf8mb4) engine $engine;
insert into t1 values('b'),('b');
select * from t1 where a = 'b';
select * from t1 where a = 'b' and a = 'b';
select * from t1 where a = 'b' and a != 'b';
drop table t1;
#
# Testing regexp
#
set collation_connection=utf8mb4_general_ci;
--source include/ctype_regex.inc
set names utf8mb4;
#
# Bug #3928 regexp [[:>:]] and UTF-8
#
set names utf8mb4;
# This should return TRUE
select 'вася' rlike '[[:<:]]вася[[:>:]]';
select 'вася ' rlike '[[:<:]]вася[[:>:]]';
select ' вася' rlike '[[:<:]]вася[[:>:]]';
select ' вася ' rlike '[[:<:]]вася[[:>:]]';
# This should return FALSE
select 'васяz' rlike '[[:<:]]вася[[:>:]]';
select 'zвася' rlike '[[:<:]]вася[[:>:]]';
select 'zвасяz' rlike '[[:<:]]вася[[:>:]]';
#
# Bug #4555
# ALTER TABLE crashes mysqld with enum column collated utf8mb4_unicode_ci
#
eval CREATE TABLE t1 (a enum ('Y', 'N') DEFAULT 'N' COLLATE utf8mb4_unicode_ci) ENGINE $engine;
ALTER TABLE t1 ADD COLUMN b CHAR(20);
DROP TABLE t1;
# Customer Support Center issue # 3299
# ENUM and SET multibyte fields computed their length wronly
# when converted into a char field
set names utf8mb4;
eval create table t1 (a enum('aaaa','проба') character set utf8mb4) engine $engine;
show create table t1;
insert into t1 values ('проба');
select * from t1;
eval create table t2 engine $engine select ifnull(a,a) from t1;
show create table t2;
select * from t2;
drop table t1;
drop table t2;
#
# Bug 4521: unique key prefix interacts poorly with utf8mb4
# MYISAM: keys with prefix compression, case insensitive collation.
#
if (!$is_ndb)
{
eval create table t1 (c varchar(30) character set utf8mb4, unique(c(10))) engine $engine;
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
--error ER_DUP_ENTRY
insert into t1 values ('aaaaaaaaaaa');
--error ER_DUP_ENTRY
insert into t1 values ('aaaaaaaaaaaa');
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
select c c2 from t1 where c='2';
select c c3 from t1 where c='3';
select c cx from t1 where c='x';
select c cy from t1 where c='y';
select c cz from t1 where c='z';
select c ca10 from t1 where c='aaaaaaaaaa';
select c cb20 from t1 where c=repeat('b',20);
drop table t1;
#
# Bug 4521: unique key prefix interacts poorly with utf8mb4
# InnoDB: keys with prefix compression, case insensitive collation.
#
--disable_warnings
eval create table t1 (c varchar(30) character set utf8mb4, unique(c(10))) engine=$engine;
--enable_warnings
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
--error ER_DUP_ENTRY
insert into t1 values ('aaaaaaaaaaa');
--error ER_DUP_ENTRY
insert into t1 values ('aaaaaaaaaaaa');
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
select c c2 from t1 where c='2';
select c c3 from t1 where c='3';
select c cx from t1 where c='x';
select c cy from t1 where c='y';
select c cz from t1 where c='z';
select c ca10 from t1 where c='aaaaaaaaaa';
select c cb20 from t1 where c=repeat('b',20);
drop table t1;
#
# Bug 4521: unique key prefix interacts poorly with utf8mb4
# MYISAM: fixed length keys, case insensitive collation
#
eval create table t1 (c char(3) character set utf8mb4, unique (c(2))) engine $engine;
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
--error ER_DUP_ENTRY
insert into t1 values ('aaa');
insert into t1 values ('b');
insert into t1 values ('bb');
--error ER_DUP_ENTRY
insert into t1 values ('bbb');
insert into t1 values ('а');
insert into t1 values ('аа');
--error ER_DUP_ENTRY
insert into t1 values ('ааа');
insert into t1 values ('б');
insert into t1 values ('бб');
--error ER_DUP_ENTRY
insert into t1 values ('ббб');
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
--error ER_DUP_ENTRY
insert into t1 values ('ꪪꪪꪪ');
drop table t1;
#
# Bug 4521: unique key prefix interacts poorly with utf8mb4
# InnoDB: fixed length keys, case insensitive collation
#
--disable_warnings
eval create table t1 (c char(3) character set utf8mb4, unique (c(2))) engine=$engine;
--enable_warnings
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
--error ER_DUP_ENTRY
insert into t1 values ('aaa');
insert into t1 values ('b');
insert into t1 values ('bb');
--error ER_DUP_ENTRY
insert into t1 values ('bbb');
insert into t1 values ('а');
insert into t1 values ('аа');
--error ER_DUP_ENTRY
insert into t1 values ('ааа');
insert into t1 values ('б');
insert into t1 values ('бб');
--error ER_DUP_ENTRY
insert into t1 values ('ббб');
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
--error ER_DUP_ENTRY
insert into t1 values ('ꪪꪪꪪ');
drop table t1;
#
# Bug 4531: unique key prefix interacts poorly with utf8mb4
# Check HEAP+HASH, case insensitive collation
#
eval create table t1 (
c char(10) character set utf8mb4,
unique key a using hash (c(1))
) engine=$engine;
show create table t1;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
--error ER_DUP_ENTRY
insert into t1 values ('aa');
--error ER_DUP_ENTRY
insert into t1 values ('aaa');
insert into t1 values ('б');
--error ER_DUP_ENTRY
insert into t1 values ('бб');
--error ER_DUP_ENTRY
insert into t1 values ('ббб');
select c as c_all from t1 order by c;
select c as c_a from t1 where c='a';
select c as c_a from t1 where c='б';
drop table t1;
#
# Bug 4531: unique key prefix interacts poorly with utf8mb4
# Check HEAP+BTREE, case insensitive collation
#
eval create table t1 (
c char(10) character set utf8mb4,
unique key a using btree (c(1))
) engine=$engine;
show create table t1;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
--error ER_DUP_ENTRY
insert into t1 values ('aa');
--error ER_DUP_ENTRY
insert into t1 values ('aaa');
insert into t1 values ('б');
--error ER_DUP_ENTRY
insert into t1 values ('бб');
--error ER_DUP_ENTRY
insert into t1 values ('ббб');
select c as c_all from t1 order by c;
select c as c_a from t1 where c='a';
select c as c_a from t1 where c='б';
drop table t1;
#
# Bug 4531: unique key prefix interacts poorly with utf8mb4
# Check BDB, case insensitive collation
#
--disable_warnings
eval create table t1 (
c char(10) character set utf8mb4,
unique key a (c(1))
) engine=$engine;
--enable_warnings
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
--error ER_DUP_ENTRY
insert into t1 values ('aa');
--error ER_DUP_ENTRY
insert into t1 values ('aaa');
insert into t1 values ('б');
--error ER_DUP_ENTRY
insert into t1 values ('бб');
--error ER_DUP_ENTRY
insert into t1 values ('ббб');
select c as c_all from t1 order by c;
select c as c_a from t1 where c='a';
select c as c_a from t1 where c='б';
drop table t1;
#
# Bug 4521: unique key prefix interacts poorly with utf8mb4
# MYISAM: keys with prefix compression, binary collation.
#
eval create table t1 (c varchar(30) character set utf8mb4 collate utf8mb4_bin, unique(c(10))) engine $engine;
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
--error ER_DUP_ENTRY
insert into t1 values ('aaaaaaaaaaa');
--error ER_DUP_ENTRY
insert into t1 values ('aaaaaaaaaaaa');
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
select c c2 from t1 where c='2';
select c c3 from t1 where c='3';
select c cx from t1 where c='x';
select c cy from t1 where c='y';
select c cz from t1 where c='z';
select c ca10 from t1 where c='aaaaaaaaaa';
select c cb20 from t1 where c=repeat('b',20);
drop table t1;
#
# Bug 4521: unique key prefix interacts poorly with utf8mb4
# MYISAM: fixed length keys, binary collation
#
eval create table t1 (c char(3) character set utf8mb4 collate utf8mb4_bin, unique (c(2))) engine $engine;
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
--error ER_DUP_ENTRY
insert into t1 values ('aaa');
insert into t1 values ('b');
insert into t1 values ('bb');
--error ER_DUP_ENTRY
insert into t1 values ('bbb');
insert into t1 values ('а');
insert into t1 values ('аа');
--error ER_DUP_ENTRY
insert into t1 values ('ааа');
insert into t1 values ('б');
insert into t1 values ('бб');
--error ER_DUP_ENTRY
insert into t1 values ('ббб');
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
--error ER_DUP_ENTRY
insert into t1 values ('ꪪꪪꪪ');
drop table t1;
#
# Bug 4531: unique key prefix interacts poorly with utf8mb4
# Check HEAP+HASH, binary collation
#
eval create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a using hash (c(1))
) engine=$engine;
show create table t1;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
--error ER_DUP_ENTRY
insert into t1 values ('aa');
--error ER_DUP_ENTRY
insert into t1 values ('aaa');
insert into t1 values ('б');
--error ER_DUP_ENTRY
insert into t1 values ('бб');
--error ER_DUP_ENTRY
insert into t1 values ('ббб');
select c as c_all from t1 order by c;
select c as c_a from t1 where c='a';
select c as c_a from t1 where c='б';
drop table t1;
#
# Bug 4531: unique key prefix interacts poorly with utf8mb4
# Check HEAP+BTREE, binary collation
#
eval create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a using btree (c(1))
) engine=$engine;
show create table t1;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
--error ER_DUP_ENTRY
insert into t1 values ('aa');
--error ER_DUP_ENTRY
insert into t1 values ('aaa');
insert into t1 values ('б');
--error ER_DUP_ENTRY
insert into t1 values ('бб');
--error ER_DUP_ENTRY
insert into t1 values ('ббб');
select c as c_all from t1 order by c;
select c as c_a from t1 where c='a';
select c as c_a from t1 where c='б';
drop table t1;
#
# Bug 4531: unique key prefix interacts poorly with utf8mb4
# Check BDB, binary collation
#
--disable_warnings
eval create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a (c(1))
) engine=$engine;
--enable_warnings
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
--error ER_DUP_ENTRY
insert into t1 values ('aa');
--error ER_DUP_ENTRY
insert into t1 values ('aaa');
insert into t1 values ('б');
--error ER_DUP_ENTRY
insert into t1 values ('бб');
--error ER_DUP_ENTRY
insert into t1 values ('ббб');
select c as c_all from t1 order by c;
select c as c_a from t1 where c='a';
select c as c_a from t1 where c='б';
drop table t1;
}
# Bug#4594: column index make = failed for gbk, but like works
# Check MYISAM
#
eval create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine=$engine;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
drop table t1;
# Bug#4594: column index make = failed for gbk, but like works
# Check InnoDB
#
--disable_warnings
eval create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine=$engine;
--enable_warnings
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
drop table t1;
# the same for HEAP+BTREE
#
eval create table t1 (
str varchar(255) character set utf8mb4 not null,
key str using btree (str(2))
) engine=$engine;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
drop table t1;
# the same for HEAP+HASH
#
if (!$is_ndb)
{
eval create table t1 (
str varchar(255) character set utf8mb4 not null,
key str using hash (str(2))
) engine=$engine;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
drop table t1;
# the same for BDB
#
#hh
--disable_warnings
eval create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine= $engine;
--enable_warnings
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
drop table t1;
}
#
# Bug #5397: Crash with varchar binary and LIKE
#
eval CREATE TABLE t1 (a varchar(32) BINARY) CHARACTER SET utf8mb4 ENGINE $engine;
INSERT INTO t1 VALUES ('test');
SELECT a FROM t1 WHERE a LIKE '%te';
DROP TABLE t1;
#
# Bug #5723: length(<varchar utf8mb4 field>) returns varying results
#
--disable_warnings
SET NAMES utf8mb4;
--disable_warnings
eval CREATE TABLE t1 (
subject varchar(255) character set utf8mb4 collate utf8mb4_unicode_ci,
p varchar(15) character set utf8mb4
) ENGINE= $engine DEFAULT CHARSET=latin1;
--enable_warnings
INSERT INTO t1 VALUES ('谷川俊二と申しますが、インターネット予約の会員登録をしましたところ、メールアドレスを間違えてしまい会員IDが受け取ることが出来ませんでした。間違えアドレスはtani-shun@n.vodafone.ne.jpを書き込みました。どうすればよいですか? その他、住所等は間違えありません。連絡ください。よろしくお願いします。m(__)m','040312-000057');
INSERT INTO t1 VALUES ('aaa','bbb');
--sorted_result
SELECT length(subject) FROM t1;
SELECT length(subject) FROM t1 ORDER BY 1;
DROP TABLE t1;
#
# Bug #5832 SELECT doesn't return records in some cases
#
if (!$is_heap)
{
if (!$is_ndb)
{
eval CREATE TABLE t1 (
id int unsigned NOT NULL auto_increment,
list_id smallint unsigned NOT NULL,
term TEXT NOT NULL,
PRIMARY KEY(id),
INDEX(list_id, term(4))
) ENGINE=$engine CHARSET=utf8mb4;
INSERT INTO t1 SET list_id = 1, term = "letterc";
INSERT INTO t1 SET list_id = 1, term = "letterb";
INSERT INTO t1 SET list_id = 1, term = "lettera";
INSERT INTO t1 SET list_id = 1, term = "letterd";
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterc");
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterb");
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "lettera");
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterd");
DROP TABLE t1;
#
# Bug #6043 erratic searching for diacriticals in indexed MyISAM UTF-8 table
#
SET NAMES latin1;
eval CREATE TABLE t1 (
id int unsigned NOT NULL auto_increment,
list_id smallint unsigned NOT NULL,
term text NOT NULL,
PRIMARY KEY(id),
INDEX(list_id, term(19))
) ENGINE=$engine CHARSET=utf8mb4;
INSERT INTO t1 set list_id = 1, term = "testtest";
INSERT INTO t1 set list_id = 1, term = "testetest";
INSERT INTO t1 set list_id = 1, term = "testtest";
SELECT id, term FROM t1 where (list_id = 1) AND (term = "testtest");
SELECT id, term FROM t1 where (list_id = 1) AND (term = "testetest");
SELECT id, term FROM t1 where (list_id = 1) AND (term = "testtest");
DROP TABLE t1;
}
}
#
# Bug #6019 SELECT tries to use too short prefix index on utf8mb4 data
#
set names utf8mb4;
--disable_warnings
eval create table t1 (
a int primary key,
b varchar(6),
index b3(b(3))
) engine=$engine character set=utf8mb4;
--enable_warnings
insert into t1 values(1,'foo'),(2,'foobar');
--sorted_result
select * from t1 where b like 'foob%';
--disable_warnings
alter table t1 engine=innodb;
--enable_warnings
--sorted_result
select * from t1 where b like 'foob%';
drop table t1;
#
# Test for calculate_interval_lengths() function
#
eval create table t1 (
a enum('петя','вася','анюта') character set utf8mb4 not null default 'анюта',
b set('петя','вася','анюта') character set utf8mb4 not null default 'анюта'
) engine $engine;
eval create table t2 engine $engine select concat(a,_utf8mb4'') as a, concat(b,_utf8mb4'')as b from t1;
show create table t2;
drop table t2;
drop table t1;
#
# Bug #6787 LIKE not working properly with _ and utf8mb4 data
#
select 'c' like '\_' as want0;
#
# SUBSTR with negative offset didn't work with multi-byte strings
#
SELECT SUBSTR('вася',-2);
#
# Bug #7730 Server crash using soundex on an utf8mb4 table
#
eval create table t1 (id integer, a varchar(100) character set utf8mb4 collate utf8mb4_unicode_ci) engine $engine;
insert into t1 values (1, 'Test');
select * from t1 where soundex(a) = soundex('Test');
select * from t1 where soundex(a) = soundex('TEST');
select * from t1 where soundex(a) = soundex('test');
drop table t1;
#
# Bug#22638 SOUNDEX broken for international characters
#
select soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB);
select hex(soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB));
select soundex(_utf8mb4 0xD091D092D093);
select hex(soundex(_utf8mb4 0xD091D092D093));
SET collation_connection='utf8mb4_general_ci';
-- source include/ctype_filesort.inc
-- source include/ctype_like_escape.inc
-- source include/ctype_german.inc
SET collation_connection='utf8mb4_bin';
-- source include/ctype_filesort.inc
-- source include/ctype_like_escape.inc
#
# Bug #7874 CONCAT() gives wrong results mixing
# latin1 field and utf8mb4 string literals
#
eval CREATE TABLE t1 (
user varchar(255) NOT NULL default ''
) ENGINE=$engine DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('one'),('two');
SELECT CHARSET('a');
--sorted_result
SELECT user, CONCAT('<', user, '>') AS c FROM t1;
DROP TABLE t1;
#
# Bug#8785
# the same problem with the above, but with nested CONCATs
#
eval create table t1 (f1 varchar(1) not null) default charset utf8mb4 engine $engine;
insert into t1 values (''), ('');
select concat(concat(_latin1'->',f1),_latin1'<-') from t1;
drop table t1;
#
# Bug#8385: utf8mb4_general_ci treats Cyrillic letters I and SHORT I as the same
#
select convert(_koi8r'' using utf8mb4) < convert(_koi8r'' using utf8mb4);
#
# Bugs#5980: NULL requires a characterset in a union
#
set names latin1;
eval create table t1 (a varchar(10)) character set utf8mb4 engine $engine;
insert into t1 values ('test');
select ifnull(a,'') from t1;
drop table t1;
select repeat(_utf8mb4'+',3) as h union select NULL;
select ifnull(NULL, _utf8mb4'string');
#
# Bug#9509 Optimizer: wrong result after AND with comparisons
#
set names utf8mb4;
eval create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_lithuanian_ci) engine $engine;
insert into t1 values ('I'),('K'),('Y');
--sorted_result
select * from t1 where s1 < 'K' and s1 = 'Y';
--sorted_result
select * from t1 where 'K' > s1 and s1 = 'Y';
drop table t1;
eval create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_czech_ci) engine $engine;
insert into t1 values ('c'),('d'),('h'),('ch'),('CH'),('cH'),('Ch'),('i');
--sorted_result
select * from t1 where s1 > 'd' and s1 = 'CH';
--sorted_result
select * from t1 where 'd' < s1 and s1 = 'CH';
--sorted_result
select * from t1 where s1 = 'cH' and s1 <> 'ch';
--sorted_result
select * from t1 where 'cH' = s1 and s1 <> 'ch';
drop table t1;
#
# Bug#10714: Inserting double value into utf8mb4 column crashes server
#
eval create table t1 (a varchar(255)) default character set utf8mb4 engine $engine;
insert into t1 values (1.0);
drop table t1;
#
# Bug#10253 compound index length and utf8mb4 char set
# produces invalid query results
#
eval create table t1 (
id int not null,
city varchar(20) not null,
key (city(7),id)
) character set=utf8mb4 engine $engine;
insert into t1 values (1,'Durban North');
insert into t1 values (2,'Durban');
select * from t1 where city = 'Durban';
select * from t1 where city = 'Durban ';
drop table t1;
#
# Bug #11819 CREATE TABLE with a SET DEFAULT 0 and UTF8 crashes server.
#
--error 1067
eval create table t1 (x set('A', 'B') default 0) character set utf8mb4 engine $engine;
--error 1067
eval create table t1 (x enum('A', 'B') default 0) character set utf8mb4 engine $engine;
#
# Test for bug #11167: join for utf8mb4 varchar value longer than 255 bytes
#
SET NAMES UTF8;
eval CREATE TABLE t1 (
`id` int(20) NOT NULL auto_increment,
`country` varchar(100) NOT NULL default '',
`shortcode` varchar(100) NOT NULL default '',
`operator` varchar(100) NOT NULL default '',
`momid` varchar(30) NOT NULL default '',
`keyword` varchar(160) NOT NULL default '',
`content` varchar(160) NOT NULL default '',
`second_token` varchar(160) default NULL,
`gateway_id` int(11) NOT NULL default '0',
`created` datetime NOT NULL default '0000-00-00 00:00:00',
`msisdn` varchar(15) NOT NULL default '',
PRIMARY KEY (`id`),
UNIQUE KEY `MSCCSPK_20030521130957121` (`momid`),
KEY `IX_mobile_originated_message_keyword` (`keyword`),
KEY `IX_mobile_originated_message_created` (`created`),
KEY `IX_mobile_originated_message_support` (`msisdn`,`momid`,`keyword`,`gateway_id`,`created`)
) ENGINE=$engine DEFAULT CHARSET=utf8mb4;
INSERT INTO t1 VALUES
(1,'blah','464','aaa','fkc1c9ilc20x0hgae7lx6j09','ERR','ERR Имри.Афимим.Аеимимримдмримрмрирор имримримримр имридм ирбднримрфмририримрфмфмим.Ад.Д имдимримрад.Адимримримрмдиримримримр м.Дадимфшьмримд им.Адимимрн имадми','ИМРИ.АФИМИМ.АЕИМИМРИМДМРИМРМРИРОР',3,'2005-06-01 17:30:43','1234567890'),
(2,'blah','464','aaa','haxpl2ilc20x00bj4tt2m5ti','11','11 g','G',3,'2005-06-02 22:43:10','1234567890');
--disable_warnings
eval CREATE TABLE t2 (
`msisdn` varchar(15) NOT NULL default '',
`operator_id` int(11) NOT NULL default '0',
`created` datetime NOT NULL default '0000-00-00 00:00:00',
UNIQUE KEY `PK_user` (`msisdn`)
) ENGINE=$engine DEFAULT CHARSET=utf8mb4;
--enable_warnings
INSERT INTO t2 VALUES ('1234567890',2,'2005-05-24 13:53:25');
SELECT content, t2.msisdn FROM t1, t2 WHERE t1.msisdn = '1234567890';
DROP TABLE t1,t2;
#
# Bug#11591: CHAR column with utf8mb4 does not work properly
# (more chars than expected)
#
eval create table t1 (a char(20) character set utf8mb4) engine $engine;
insert into t1 values ('123456'),('андрей');
alter table t1 modify a char(2) character set utf8mb4;
select char_length(a), length(a), a from t1 order by a;
drop table t1;
#
# Bugs#12611
# ESCAPE + LIKE do not work when the escape char is a multibyte one
#
set names utf8mb4;
select 'andre%' like 'andreñ%' escape 'ñ';
#
# Bugs#11754: SET NAMES utf8mb4 followed by SELECT "A\\" LIKE "A\\" returns 0
#
set names utf8mb4;
select 'a\\' like 'a\\';
select 'aa\\' like 'a%\\';
eval create table t1 (a char(10), key(a)) character set utf8mb4 engine $engine;
insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
--sorted_result
select * from t1 where a like "abc%";
--sorted_result
select * from t1 where a like concat("abc","%");
--sorted_result
select * from t1 where a like "ABC%";
select * from t1 where a like "test%";
select * from t1 where a like "te_t";
--sorted_result
select * from t1 where a like "%a%";
--sorted_result
select * from t1 where a like "%abcd%";
select * from t1 where a like "%abc\d%";
drop table t1;
#
# Bug#9557 MyISAM utf8mb4 table crash
#
eval CREATE TABLE t1 (
a varchar(255) NOT NULL default '',
KEY a (a)
) ENGINE=$engine DEFAULT CHARSET=utf8mb4 COLLATE utf8mb4_general_ci;
insert into t1 values (_utf8mb4 0xe880bd);
insert into t1 values (_utf8mb4 0x5b);
--sorted_result
select hex(a) from t1;
drop table t1;
#
# Bug#13751 find_in_set: Illegal mix of collations
#
set names 'latin1';
eval create table t1 (a varchar(255)) default charset=utf8mb4 engine $engine;
select * from t1 where find_in_set('-1', a);
drop table t1;
#
# Bug#13233: select distinct char(column) fails with utf8mb4
#
eval create table t1 (a int) engine $engine;
insert into t1 values (48),(49),(50);
set names utf8mb4;
--sorted_result
select distinct char(a) from t1;
drop table t1;
if (!$is_heap)
{
#
# Bug#15581: COALESCE function truncates mutli-byte TINYTEXT values
#
eval CREATE TABLE t1 (t TINYTEXT CHARACTER SET utf8mb4) ENGINE $engine;
INSERT INTO t1 VALUES(REPEAT('a', 100));
if (!$is_ndb)
{
eval CREATE TEMPORARY TABLE t2 ENGINE $engine SELECT COALESCE(t) AS bug FROM t1;
}
if ($is_ndb)
{
eval CREATE TABLE t2 ENGINE $engine SELECT COALESCE(t) AS bug FROM t1;
}
SELECT LENGTH(bug) FROM t2;
DROP TABLE t2;
DROP TABLE t1;
}
#
# Bug#17313: N'xxx' and _utf8mb4'xxx' are not equivalent
#
eval CREATE TABLE t1 (item varchar(255)) default character set utf8mb4 ENGINE $engine;
INSERT INTO t1 VALUES (N'\\');
INSERT INTO t1 VALUES (_utf8mb4'\\');
INSERT INTO t1 VALUES (N'Cote d\'Ivoire');
INSERT INTO t1 VALUES (_utf8mb4'Cote d\'Ivoire');
SELECT item FROM t1 ORDER BY item;
DROP TABLE t1;
#
# Bug#17705: Corruption of compressed index when index length changes between
# 254 and 256
#
SET NAMES utf8mb4;
DROP TABLE IF EXISTS t1;
eval CREATE TABLE t1(a VARCHAR(255), KEY(a)) ENGINE=$engine DEFAULT CHARSET=utf8mb4;
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb');
INSERT INTO t1 VALUES('uu');
check table t1;
INSERT INTO t1 VALUES('uU');
check table t1;
INSERT INTO t1 VALUES('uu');
check table t1;
INSERT INTO t1 VALUES('uuABC');
check table t1;
INSERT INTO t1 VALUES('UuABC');
check table t1;
INSERT INTO t1 VALUES('uuABC');
check table t1;
alter table t1 add b int;
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',1);
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',2);
delete from t1 where b=1;
INSERT INTO t1 VALUES('UUABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',1);
check table t1;
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',3);
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',4);
delete from t1 where b=3;
INSERT INTO t1 VALUES('uUABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',3);
check table t1;
drop table t1;
#
# Bug#20471 LIKE search fails with indexed utf8mb4 char column
#
set names utf8mb4;
eval create table t1 (s1 char(5) character set utf8mb4) engine $engine;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_general_ci from t1 where s1 like 'ペテ%';
delete from t1 where s1 = 'Y';
select s1 as after_delete_general_ci from t1 where s1 like 'ペテ%';
drop table t1;
set names utf8mb4;
eval create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_unicode_ci) engine $engine;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_unicode_ci from t1 where s1 like 'ペテ%';
delete from t1 where s1 = 'Y';
select s1 as after_delete_unicode_ci from t1 where s1 like 'ペテ%';
drop table t1;
set names utf8mb4;
eval create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_bin) engine $engine;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_bin from t1 where s1 like 'ペテ%';
delete from t1 where s1 = 'Y';
select s1 as after_delete_bin from t1 where s1 like 'ペテ%';
drop table t1;
# additional tests from duplicate bug#20744 MySQL return no result
set names utf8mb4;
--disable_warnings
eval create table t1 (a varchar(30) not null primary key)
engine=$engine default character set utf8mb4 collate utf8mb4_general_ci;
--enable_warnings
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as gci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
select a as gci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
drop table t1;
set names utf8mb4;
--disable_warnings
eval create table t1 (a varchar(30) not null primary key)
engine=$engine default character set utf8mb4 collate utf8mb4_unicode_ci;
--enable_warnings
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as uci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
select a as uci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
drop table t1;
set names utf8mb4;
--disable_warnings
eval create table t1 (a varchar(30) not null primary key)
engine=$engine default character set utf8mb4 collate utf8mb4_bin;
--enable_warnings
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as bin1 from t1 where a like 'さしすせそかきくけこあいうえお%';
select a as bin2 from t1 where a like 'あいうえおかきくけこさしすせそ';
drop table t1;
#
# Bug#14896: Comparison with a key in a partial index over mb chararacter field
#
SET NAMES utf8mb4;
eval CREATE TABLE t1 (id int PRIMARY KEY,
a varchar(16) collate utf8mb4_unicode_ci NOT NULL default '',
b int,
f varchar(128) default 'XXX',
INDEX (a(4))
) ENGINE=$engine DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
INSERT INTO t1(id, a, b) VALUES
(1, 'cccc', 50), (2, 'cccc', 70), (3, 'cccc', 30),
(4, 'cccc', 30), (5, 'cccc', 20), (6, 'bbbbbb', 40),
(7, 'dddd', 30), (8, 'aaaa', 10), (9, 'aaaa', 50),
(10, 'eeeee', 40), (11, 'bbbbbb', 60);
--sorted_result
SELECT id, a, b FROM t1;
--sorted_result
SELECT id, a, b FROM t1 WHERE a BETWEEN 'aaaa' AND 'bbbbbb';
--sorted_result
SELECT id, a FROM t1 WHERE a='bbbbbb';
SELECT id, a FROM t1 WHERE a='bbbbbb' ORDER BY b;
DROP TABLE t1;
#
# Bug#16674: LIKE predicate for a utf8mb4 character set column
#
SET NAMES utf8mb4;
eval CREATE TABLE t1 (
a CHAR(13) DEFAULT '',
INDEX(a)
) ENGINE=$engine DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES
('Käli Käli 2-4'), ('Käli Käli 2-4'),
('Käli Käli 2+4'), ('Käli Käli 2+4'),
('Käli Käli 2-6'), ('Käli Käli 2-6');
INSERT INTO t1 SELECT * FROM t1;
eval CREATE TABLE t2 (
a CHAR(13) DEFAULT '',
INDEX(a)
) ENGINE=$engine DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
INSERT INTO t2 VALUES
('Kali Kali 2-4'), ('Kali Kali 2-4'),
('Kali Kali 2+4'), ('Kali Kali 2+4'),
('Kali Kali 2-6'), ('Kali Kali 2-6');
INSERT INTO t2 SELECT * FROM t2;
SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
EXPLAIN SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
EXPLAIN SELECT a FROM t1 WHERE a = 'Käli Käli 2+4';
EXPLAIN SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
EXPLAIN SELECT a FROM t2 WHERE a = 'Kali Kali 2+4';
DROP TABLE t1,t2;
eval CREATE TABLE t1 (
a char(255) DEFAULT '',
KEY(a(10))
) ENGINE=$engine DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
DROP TABLE t1;
eval CREATE TABLE t1 (
a char(255) DEFAULT ''
) ENGINE=$engine DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES ('Käli Käli 2-4');
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
ALTER TABLE t1 ADD KEY (a(10));
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
DROP TABLE t1;
#
# Bug#18359: LIKE predicate for a 'utf8mb4' text column with a partial index
# (see bug #16674 as well)
#
SET NAMES latin2;
if (!$is_heap)
{
if (!$is_ndb)
{
eval CREATE TABLE t1 (
id int(11) NOT NULL default '0',
tid int(11) NOT NULL default '0',
val text NOT NULL,
INDEX idx(tid, val(10))
) ENGINE=$engine DEFAULT CHARSET=utf8mb4;
INSERT INTO t1 VALUES
(40988,72,'VOLN ADSL'),(41009,72,'VOLN ADSL'),
(41032,72,'VOLN ADSL'),(41038,72,'VOLN ADSL'),
(41063,72,'VOLN ADSL'),(41537,72,'VOLN ADSL Office'),
(42141,72,'VOLN ADSL'),(42565,72,'VOLN ADSL Combi'),
(42749,72,'VOLN ADSL'),(44205,72,'VOLN ADSL');
SELECT * FROM t1 WHERE tid=72 and val LIKE 'VOLNY ADSL';
SELECT * FROM t1 WHERE tid=72 and val LIKE 'VOLN ADSL';
SELECT * FROM t1 WHERE tid=72 and val LIKE '%VOLN ADSL';
ALTER TABLE t1 DROP KEY idx;
ALTER TABLE t1 ADD KEY idx (tid,val(11));
SELECT * FROM t1 WHERE tid=72 and val LIKE 'VOLN ADSL';
DROP TABLE t1;
}
}
#
# Bug 20709: problem with utf8mb4 fields in temporary tables
#
eval create table t1(a char(200) collate utf8mb4_unicode_ci NOT NULL default '')
default charset=utf8mb4 collate=utf8mb4_unicode_ci engine $engine;
insert into t1 values (unhex('65')), (unhex('C3A9')), (unhex('65'));
explain select distinct a from t1;
--sorted_result
select distinct a from t1;
explain select a from t1 group by a;
--sorted_result
select a from t1 group by a;
drop table t1;
#
# Bug #20204: "order by" changes the results returned
#
eval create table t1(a char(10)) default charset utf8mb4 engine $engine;
insert into t1 values ('123'), ('456');
explain
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
drop table t1;
#
# Bug #34349: Passing invalid parameter to CHAR() in an ORDER BY causes
# MySQL to hang
#
SET CHARACTER SET utf8mb4;
SHOW VARIABLES LIKE 'character\_set\_%';
CREATE DATABASE crashtest DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;
USE crashtest;
eval CREATE TABLE crashtest (crash char(10)) DEFAULT CHARSET=utf8mb4 ENGINE $engine;
INSERT INTO crashtest VALUES ('35'), ('36'), ('37');
SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
INSERT INTO crashtest VALUES ('-1000');
EXPLAIN SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
DROP TABLE crashtest;
DROP DATABASE crashtest;
USE test;
SET CHARACTER SET default;
# End of 4.1 tests
#
# Test for bug #11484: wrong results for a DISTINCT varchar column in uft8.
#
eval CREATE TABLE t1(id varchar(20) NOT NULL) DEFAULT CHARSET=utf8mb4 ENGINE $engine;
INSERT INTO t1 VALUES ('xxx'), ('aa'), ('yyy'), ('aa');
--sorted_result
SELECT id FROM t1;
--sorted_result
SELECT DISTINCT id FROM t1;
SELECT DISTINCT id FROM t1 ORDER BY id;
DROP TABLE t1;
#
# Bug#20095 Changing length of VARCHAR field with UTF8
# collation does not truncate values
#
eval create table t1 (
a varchar(26) not null
) default character set utf8mb4 ENGINE $engine;
insert into t1 (a) values ('abcdefghijklmnopqrstuvwxyz');
select * from t1;
# varchar to varchar
alter table t1 change a a varchar(20) character set utf8mb4 not null;
select * from t1;
# varchar to char
alter table t1 change a a char(15) character set utf8mb4 not null;
select * from t1;
# char to char
alter table t1 change a a char(10) character set utf8mb4 not null;
select * from t1;
# char to varchar
alter table t1 change a a varchar(5) character set utf8mb4 not null;
select * from t1;
drop table t1;
#
# Check that do_varstring2_mb produces a warning
#
if (!$is_ndb)
{
eval create table t1 (
a varchar(4000) not null
) default character set utf8mb4 engine $engine;
insert into t1 values (repeat('a',4000));
alter table t1 change a a varchar(3000) character set utf8mb4 not null;
select length(a) from t1;
drop table t1;
}
#
# Bug#10504: Character set does not support traditional mode
# Bug#14146: CHAR(...USING ...) and CONVERT(CHAR(...) USING...)
# produce different results
#
set names utf8mb4;
# correct value
select hex(char(1 using utf8mb4));
select char(0xd1,0x8f using utf8mb4);
select char(0xd18f using utf8mb4);
select char(53647 using utf8mb4);
# incorrect value: return with warning
select char(0xff,0x8f using utf8mb4);
select convert(char(0xff,0x8f) using utf8mb4);
# incorrect value in strict mode: return NULL with "Error" level warning
set sql_mode=traditional;
select char(0xff,0x8f using utf8mb4);
select char(195 using utf8mb4);
select char(196 using utf8mb4);
select char(2557 using utf8mb4);
select convert(char(0xff,0x8f) using utf8mb4);
#
# Check convert + char + using
#
select hex(convert(char(2557 using latin1) using utf8mb4));
#
# char() without USING returns "binary" by default, any argument is ok
#
select hex(char(195));
select hex(char(196));
select hex(char(2557));
#
# Bug#12891: UNION doesn't return DISTINCT result for multi-byte characters
#
set names utf8mb4;
eval create table t1 (a char(1)) default character set utf8mb4 engine $engine;
eval create table t2 (a char(1)) default character set utf8mb4 engine $engine;
insert into t1 values('a'),('a'),(0xE38182),(0xE38182);
insert into t1 values('i'),('i'),(0xE38184),(0xE38184);
--sorted_result
select * from t1 union distinct select * from t2;
drop table t1,t2;
#
# Bug#12371: executing prepared statement fails (illegal mix of collations)
#
set names utf8mb4;
eval create table t1 (a char(10), b varchar(10)) engine $engine;
insert into t1 values ('bar','kostja');
insert into t1 values ('kostja','bar');
prepare my_stmt from "select * from t1 where a=?";
set @a:='bar';
execute my_stmt using @a;
set @a:='kostja';
execute my_stmt using @a;
set @a:=null;
execute my_stmt using @a;
drop table if exists t1;
#
# Bug#21505 Create view - illegal mix of collation for operation 'UNION'
#
--disable_warnings
drop table if exists t1;
drop view if exists v1, v2;
--enable_warnings
set names utf8mb4;
eval create table t1(col1 varchar(12) character set utf8mb4 collate utf8mb4_unicode_ci) engine $engine;
insert into t1 values('t1_val');
create view v1 as select 'v1_val' as col1;
select coercibility(col1), collation(col1) from v1;
create view v2 as select col1 from v1 union select col1 from t1;
select coercibility(col1), collation(col1)from v2;
drop view v1, v2;
create view v1 as select 'v1_val' collate utf8mb4_swedish_ci as col1;
select coercibility(col1), collation(col1) from v1;
create view v2 as select col1 from v1 union select col1 from t1;
select coercibility(col1), collation(col1) from v2;
drop view v1, v2;
drop table t1;
#
# Check conversion of NCHAR strings to subset (e.g. latin1).
# Conversion is possible if string repertoire is ASCII.
# Conversion is not possible if the string have extended characters
#
set names utf8mb4;
eval create table t1 (a varchar(10) character set latin1, b int) engine $engine;
insert into t1 values ('a',1);
select concat(a, if(b>10, N'x', N'y')) from t1;
--error 1267
select concat(a, if(b>10, N'æ', N'ß')) from t1;
drop table t1;
# Conversion tests for character set introducers
set names utf8mb4;
eval create table t1 (a varchar(10) character set latin1, b int) engine $engine;
insert into t1 values ('a',1);
select concat(a, if(b>10, _utf8mb4'x', _utf8mb4'y')) from t1;
--error 1267
select concat(a, if(b>10, _utf8mb4'æ', _utf8mb4'ß')) from t1;
drop table t1;
# Conversion tests for introducer + HEX string
set names utf8mb4;
eval create table t1 (a varchar(10) character set latin1, b int) engine $engine;
insert into t1 values ('a',1);
select concat(a, if(b>10, _utf8mb4 0x78, _utf8mb4 0x79)) from t1;
--error 1267
select concat(a, if(b>10, _utf8mb4 0xC3A6, _utf8mb4 0xC3AF)) from t1;
drop table t1;
# Conversion tests for "text_literal TEXT_STRING_literal" syntax structure
set names utf8mb4;
eval create table t1 (a varchar(10) character set latin1, b int) engine $engine;
insert into t1 values ('a',1);
select concat(a, if(b>10, 'x' 'x', 'y' 'y')) from t1;
--error 1267
select concat(a, if(b>10, 'x' 'æ', 'y' 'ß')) from t1;
drop table t1;
#
# Bug#19960: Inconsistent results when joining
# InnoDB tables using partial UTF8 indexes
#
--disable_warnings
eval CREATE TABLE t1 (
colA int(11) NOT NULL,
colB varchar(255) character set utf8mb4 NOT NULL,
PRIMARY KEY (colA)
) ENGINE=$engine DEFAULT CHARSET=latin1;
--enable_warnings
INSERT INTO t1 (colA, colB) VALUES (1, 'foo'), (2, 'foo bar');
--disable_warnings
eval CREATE TABLE t2 (
colA int(11) NOT NULL,
colB varchar(255) character set utf8mb4 NOT NULL,
KEY bad (colA,colB(3))
) ENGINE=$engine DEFAULT CHARSET=latin1;
--enable_warnings
INSERT INTO t2 (colA, colB) VALUES (1, 'foo'),(2, 'foo bar');
SELECT * FROM t1 JOIN t2 ON t1.colA=t2.colA AND t1.colB=t2.colB
WHERE t1.colA < 3;
DROP TABLE t1, t2;
#
# Bug#29205: truncation of UTF8 values when the UNION statement
# forces collation to the binary charset
#
SELECT 'н1234567890' UNION SELECT _binary '1';
SELECT 'н1234567890' UNION SELECT 1;
SELECT '1' UNION SELECT 'н1234567890';
SELECT 1 UNION SELECT 'н1234567890';
eval CREATE TABLE t1 (c VARCHAR(11)) CHARACTER SET utf8mb4 ENGINE $engine;
eval CREATE TABLE t2 (b CHAR(1) CHARACTER SET binary, i INT) ENGINE $engine;
INSERT INTO t1 (c) VALUES ('н1234567890');
INSERT INTO t2 (b, i) VALUES ('1', 1);
SELECT c FROM t1 UNION SELECT b FROM t2;
SELECT c FROM t1 UNION SELECT i FROM t2;
SELECT b FROM t2 UNION SELECT c FROM t1;
SELECT i FROM t2 UNION SELECT c FROM t1;
DROP TABLE t1, t2;
#
# Bug#30982: CHAR(..USING..) can return a not-well-formed string
# Bug #30986: Character set introducer followed by a HEX string can return bad result
#
set sql_mode=traditional;
select hex(char(0xFF using utf8mb4));
select hex(convert(0xFF using utf8mb4));
--error ER_INVALID_CHARACTER_STRING
select hex(_utf8mb4 0x616263FF);
--error ER_INVALID_CHARACTER_STRING
select hex(_utf8mb4 X'616263FF');
--error ER_INVALID_CHARACTER_STRING
select hex(_utf8mb4 B'001111111111');
--error ER_INVALID_CHARACTER_STRING
select (_utf8mb4 X'616263FF');
set sql_mode=default;
select hex(char(0xFF using utf8mb4));
select hex(convert(0xFF using utf8mb4));
--error ER_INVALID_CHARACTER_STRING
select hex(_utf8mb4 0x616263FF);
--error ER_INVALID_CHARACTER_STRING
select hex(_utf8mb4 X'616263FF');
--error ER_INVALID_CHARACTER_STRING
select hex(_utf8mb4 B'001111111111');
--error ER_INVALID_CHARACTER_STRING
select (_utf8mb4 X'616263FF');
#
# Bug #36772: When using UTF8, CONVERT with GROUP BY returns truncated results
#
eval CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL) ENGINE $engine;
INSERT INTO t1 VALUES (70000, 1092), (70001, 1085), (70002, 1065);
--sorted_result
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
--sorted_result
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1;
ALTER TABLE t1 ADD UNIQUE (b);
--sorted_result
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
DROP INDEX b ON t1;
--sorted_result
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
ALTER TABLE t1 ADD INDEX (b);
--sorted_result
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) from t1 GROUP BY b;
DROP TABLE t1;
--echo #
--echo # Bug#26474: Add Sinhala script (Sri Lanka) collation to MySQL
--echo #
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
eval CREATE TABLE t1 (
predicted_order int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE $engine;
INSERT INTO t1 VALUES (19, x'E0B696'), (30, x'E0B69AE0B798'), (61, x'E0B6AF'), (93, x'E0B799'), (52, x'E0B6A6'), (73, x'E0B6BBE0B78AE2808D'), (3, x'E0B686'), (56, x'E0B6AA'), (55, x'E0B6A9'), (70, x'E0B6B9'), (94, x'E0B79A'), (80, x'E0B785'), (25, x'E0B69AE0B791'), (48, x'E0B6A2'), (13, x'E0B690'), (86, x'E0B793'), (91, x'E0B79F'), (81, x'E0B786'), (79, x'E0B784'), (14, x'E0B691'), (99, x'E0B78A'), (8, x'E0B68B'), (68, x'E0B6B7'), (22, x'E0B69A'), (16, x'E0B693'), (33, x'E0B69AE0B7B3'), (38, x'E0B69AE0B79D'), (21, x'E0B683'), (11, x'E0B68E'), (77, x'E0B782'), (40, x'E0B69AE0B78A'), (101, x'E0B78AE2808DE0B6BB'), (35, x'E0B69AE0B79A'), (1, x'E0B7B4'), (9, x'E0B68C'), (96, x'E0B79C'), (6, x'E0B689'), (95, x'E0B79B'), (88, x'E0B796'), (64, x'E0B6B3'), (26, x'E0B69AE0B792'), (82, x'E0B78F'), (28, x'E0B69AE0B794'), (39, x'E0B69AE0B79E'), (97, x'E0B79D'), (2, x'E0B685'), (75, x'E0B780'), (34, x'E0B69AE0B799'), (69, x'E0B6B8'), (83, x'E0B790'), (18, x'E0B695'), (90, x'E0B7B2'), (17, x'E0B694'), (72, x'E0B6BB'), (66, x'E0B6B5'), (59, x'E0B6AD'), (44, x'E0B69E'), (15, x'E0B692'), (23, x'E0B69AE0B78F'), (65, x'E0B6B4'), (42, x'E0B69C'), (63, x'E0B6B1'), (85, x'E0B792'), (47, x'E0B6A1'), (49, x'E0B6A3'), (92, x'E0B7B3'), (78, x'E0B783'), (36, x'E0B69AE0B79B'), (4, x'E0B687'), (24, x'E0B69AE0B790'), (87, x'E0B794'), (37, x'E0B69AE0B79C'), (32, x'E0B69AE0B79F'), (29, x'E0B69AE0B796'), (43, x'E0B69D'), (62, x'E0B6B0'), (100, x'E0B78AE2808DE0B6BA'), (60, x'E0B6AE'), (45, x'E0B69F'), (12, x'E0B68F'), (46, x'E0B6A0'), (50, x'E0B6A5'), (51, x'E0B6A4'), (5, x'E0B688'), (76, x'E0B781'), (89, x'E0B798'), (74, x'E0B6BD'), (10, x'E0B68D'), (57, x'E0B6AB'), (71, x'E0B6BA'), (58, x'E0B6AC'), (27, x'E0B69AE0B793'), (54, x'E0B6A8'), (84, x'E0B791'), (31, x'E0B69AE0B7B2'), (98, x'E0B79E'), (53, x'E0B6A7'), (41, x'E0B69B'), (67, x'E0B6B6'), (7, x'E0B68A'), (20, x'E0B682');
SELECT predicted_order, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLATE utf8mb4_sinhala_ci;
DROP TABLE t1;
--echo #
--echo # Bug#32914 Character sets: illegal characters in utf8mb4 and utf32 columns
--echo #
eval create table t1 (utf8mb4 char(1) character set utf8mb4) engine $engine;
--echo Testing [F0][90..BF][80..BF][80..BF]
insert into t1 values (0xF0908080);
insert into t1 values (0xF0BFBFBF);
insert into t1 values (0xF08F8080);
--sorted_result
select hex(utf8mb4) from t1;
delete from t1;
--echo Testing [F2..F3][80..BF][80..BF][80..BF]
insert into t1 values (0xF2808080);
insert into t1 values (0xF2BFBFBF);
--sorted_result
select hex(utf8mb4) from t1;
delete from t1;
--echo Testing [F4][80..8F][80..BF][80..BF]
insert into t1 values (0xF4808080);
insert into t1 values (0xF48F8080);
insert into t1 values (0xF4908080);
--sorted_result
select hex(utf8mb4) from t1;
drop table t1;
--echo #
--echo # Check strnxfrm() with odd length
--echo #
set max_sort_length=5;
select @@max_sort_length;
eval create table t1 (a varchar(128) character set utf8mb4 collate utf8mb4_general_ci) engine $engine;
insert into t1 values ('a'),('b'),('c');
select * from t1 order by a;
alter table t1 modify a varchar(128) character set utf8mb4 collate utf8mb4_bin;
select * from t1 order by a;
drop table t1;
set max_sort_length=default;
--echo #
--echo # Bug#26180: Can't add columns to tables created with utf8mb4 text indexes
--echo #
if (!$is_heap)
{
if (!$is_ndb)
{
eval CREATE TABLE t1 (
clipid INT NOT NULL,
Tape TINYTEXT,
PRIMARY KEY (clipid),
KEY tape(Tape(255))
) CHARACTER SET=utf8mb4 ENGINE $engine;
ALTER TABLE t1 ADD mos TINYINT DEFAULT 0 AFTER clipid;
SHOW CREATE TABLE t1;
DROP TABLE t1;
}
}
#--echo #
#--echo # Check that supplementary characters are not allowed in identifiers
#--echo #
# TODO: activate this when system_charset_info is changed to utf8mb4
#--error 1300
#CREATE DATABASE `𐀀`;
#--error 1300
#CREATE TABLE `𐀀` (a int);
#--error 1166
#CREATE TABLE test.t1 SELECT '𐀀';
#--error 1300
#CREATE USER `𐀀`;
--echo #
--echo # Testing 4-byte values.
--echo #
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
eval CREATE TABLE t1 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE $engine;
# Source of the following values: http://www.fileformat.info/info/unicode/block/index.htm
# SINGLE BARLINE
INSERT INTO t1 VALUES (119040, x'f09d8480'),
# G CLEF
(119070, x'f09d849e'),
# HALF NOTE
(119134, x'f09d859e'),
# MUSICAL SYMBOL CROIX
(119247, x'f09d878f'),
# MATHEMATICAL BOLD ITALIC CAPITAL DELTA
(120607, x'f09d9c9f'),
# SANS-SERIF BOLD ITALIC CAPITAL PI
(120735, x'f09d9e9f'),
# <Plane 16 Private Use, Last> (last 4 byte character)
(1114111, x'f48fbfbf'),
# VARIATION SELECTOR-256
(917999, x'f3a087af');
# All from musical chars
INSERT INTO t1 VALUES (119070, x'f09d849ef09d859ef09d859ef09d8480f09d859ff09d859ff09d859ff09d85a0f09d85a0f09d8480');
# Mix of 3-byte and 4-byte chars
INSERT INTO t1 VALUES (65131, x'efb9abf09d849ef09d859ef09d859ef09d8480f09d859fefb9abefb9abf09d85a0efb9ab');
# All from musical chars, but 11 instead of 10 chars. truncated
INSERT INTO t1 VALUES (119070, x'f09d849ef09d859ef09d859ef09d8480f09d859ff09d859ff09d859ff09d85a0f09d85a0f09d8480f09d85a0');
--sorted_result
SELECT u_decimal, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLATE utf8mb4_general_ci, BINARY utf8mb4_encoding;
# First invalid 4 byte value
INSERT INTO t1 VALUES (1114111, x'f5808080');
--sorted_result
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't1' AND column_name= 'utf8mb4_encoding';
--disable_warnings
DROP TABLE IF EXISTS t2;
--enable_warnings
eval CREATE TABLE t2 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb3 ENGINE $engine;
# LATIN CAPITAL LETTER VEND
INSERT INTO t2 VALUES (42856, x'ea9da8');
# SMALL COMMERCIAL AT
INSERT INTO t2 VALUES (65131, x'efb9ab');
# <Plane 16 Private Use, Last> (last 4 byte character)
INSERT INTO t2 VALUES (1114111, x'f48fbfbf');
--sorted_result
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't2' AND column_name= 'utf8mb3_encoding';
# Update a 3-byte char col with a 4-byte char, error
UPDATE t2 SET utf8mb3_encoding= x'f48fbfbd' where u_decimal= 42856;
# Update to a 3-byte char casted to 4-byte, error?
UPDATE t2 SET utf8mb3_encoding= _utf8mb4 x'ea9da8' where u_decimal= 42856;
# Returns utfmb4
--sorted_result
SELECT HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8')) FROM t1;
--sorted_result
SELECT HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding)) FROM t1,t2;
#--error ER_INVALID_CHARACTER_STRING
#SELECT CONCAT(_utf8 utf8mb4_encoding, _utf8 '|') FROM t1;
#--error ER_INVALID_CHARACTER_STRING
#SELECT CONCAT(_utf8mb3 utf8mb4_encoding, _utf8 '|') FROM t1;
SELECT count(*) FROM t1, t2
WHERE t1.utf8mb4_encoding > t2.utf8mb3_encoding;
# Alter from 4-byte charset to 3-byte charset, error
--disable_warnings
ALTER TABLE t1 CONVERT TO CHARACTER SET utf8;
--enable_warnings
SHOW CREATE TABLE t1;
--sorted_result
SELECT u_decimal,hex(utf8mb4_encoding),utf8mb4_encoding FROM t1;
# Alter table from utf8 to utf8mb4
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
--sorted_result
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
# Alter table back from utf8mb4 to utf8
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb3;
SHOW CREATE TABLE t2;
--sorted_result
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
# ALter of utf8mb4 column to utf8
--disable_warnings
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb3;
--enable_warnings
SHOW CREATE TABLE t1;
--sorted_result
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
# ALter of utf8 column to utf8mb4
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t1;
--sorted_result
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
# ALter of utf8 column to utf8mb4
ALTER TABLE t2 MODIFY utf8mb3_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
--sorted_result
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
--disable_warnings
DROP TABLE IF EXISTS t3;
--enable_warnings
eval CREATE TABLE t3 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8 ENGINE $engine;
# Insert select utf8mb4 (4-byte) into utf8 (3-byte), error
#--error ER_INVALID_CHARACTER_STRING
INSERT INTO t3 SELECT * FROM t1;
--disable_warnings
DROP TABLE IF EXISTS t4;
--enable_warnings
eval CREATE TABLE t4 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE $engine;
# Insert select utf8 (3-byte) into utf8mb4 (4-byte)
INSERT INTO t3 SELECT * FROM t2;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
--echo #
--echo # Testing that mixing utf8 and utf8mb4 collations returns utf8mb4
--echo #
SELECT CHARSET(CONCAT(_utf8mb4'a',_utf8'b'));
eval CREATE TABLE t1 (utf8mb4 VARCHAR(10) CHARACTER SET utf8mb4 NOT NULL) ENGINE $engine;
INSERT INTO t1 VALUES (x'ea9da8'),(x'f48fbfbf');
SELECT CONCAT(utf8mb4, _utf8 x'ea9da8') FROM t1 LIMIT 0;
eval CREATE TABLE t2 (utf8mb3 VARCHAR(10) CHARACTER SET utf8mb3 NOT NULL) ENGINE $engine;
INSERT INTO t2 VALUES (x'ea9da8');
SELECT HEX(CONCAT(utf8mb4, utf8mb3)) FROM t1,t2 ORDER BY 1;
SELECT CHARSET(CONCAT(utf8mb4, utf8mb3)) FROM t1, t2 LIMIT 1;
if (!$is_ndb)
{
eval CREATE TEMPORARY TABLE t3 ENGINE $engine AS SELECT *, concat(utf8mb4,utf8mb3) FROM t1, t2;
SHOW CREATE TABLE t3;
DROP TEMPORARY TABLE t3;
}
SELECT * FROM t1, t2 WHERE t1.utf8mb4 > t2.utf8mb3;
SELECT * FROM t1, t2 WHERE t1.utf8mb4 = t2.utf8mb3;
SELECT * FROM t1, t2 WHERE t1.utf8mb4 < t2.utf8mb3;
DROP TABLE t1;
DROP TABLE t2;
--echo #
--echo # Check that mixing utf8mb4 with an invalid utf8 constant returns error
--echo #
# This should perhaps be changed to return ER_INVALID_CHARACTER_STRING
eval CREATE TABLE t1 (utf8mb4 VARCHAR(10) CHARACTER SET utf8mb4) ENGINE $engine;
INSERT INTO t1 VALUES (x'f48fbfbf');
--error ER_CANT_AGGREGATE_2COLLATIONS
SELECT CONCAT(utf8mb4, _utf8 '') FROM t1;
--error ER_CANT_AGGREGATE_2COLLATIONS
SELECT CONCAT('a', _utf8 '') FROM t1;
DROP TABLE t1;
--echo #
--echo # End of 5.5 tests
--echo #
--echo #
--echo # End of tests
--echo #
...@@ -2158,6 +2158,10 @@ u_decimal hex(utf8mb4_encoding) ...@@ -2158,6 +2158,10 @@ u_decimal hex(utf8mb4_encoding)
INSERT INTO t1 VALUES (1114111, x'f5808080'); INSERT INTO t1 VALUES (1114111, x'f5808080');
Warnings: Warnings:
Warning 1366 Incorrect string value: '\xF5\x80\x80\x80' for column 'utf8mb4_encoding' at row 1 Warning 1366 Incorrect string value: '\xF5\x80\x80\x80' for column 'utf8mb4_encoding' at row 1
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't1' AND column_name= 'utf8mb4_encoding';
character_maximum_length character_octet_length
10 40
DROP TABLE IF EXISTS t2; DROP TABLE IF EXISTS t2;
CREATE TABLE t2 ( CREATE TABLE t2 (
u_decimal int NOT NULL, u_decimal int NOT NULL,
...@@ -2168,20 +2172,197 @@ INSERT INTO t2 VALUES (65131, x'efb9ab'); ...@@ -2168,20 +2172,197 @@ INSERT INTO t2 VALUES (65131, x'efb9ab');
INSERT INTO t2 VALUES (1114111, x'f48fbfbf'); INSERT INTO t2 VALUES (1114111, x'f48fbfbf');
Warnings: Warnings:
Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBF' for column 'utf8mb3_encoding' at row 1 Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBF' for column 'utf8mb3_encoding' at row 1
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't2' AND column_name= 'utf8mb3_encoding';
character_maximum_length character_octet_length
10 30
UPDATE t2 SET utf8mb3_encoding= x'f48fbfbd' where u_decimal= 42856;
Warnings:
Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBD' for column 'utf8mb3_encoding' at row 1
UPDATE t2 SET utf8mb3_encoding= _utf8mb4 x'ea9da8' where u_decimal= 42856;
SELECT HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8')) FROM t1;
HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8'))
F09D8480EA9DA8
F09D849EEA9DA8
F09D859EEA9DA8
F09D878FEA9DA8
F09D9C9FEA9DA8
F09D9E9FEA9DA8
F48FBFBFEA9DA8
F3A087AFEA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
EA9DA8
SELECT HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding)) FROM t1,t2;
HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding))
F09D8480EA9DA8
F09D8480EFB9AB
F09D8480
F09D849EEA9DA8
F09D849EEFB9AB
F09D849E
F09D859EEA9DA8
F09D859EEFB9AB
F09D859E
F09D878FEA9DA8
F09D878FEFB9AB
F09D878F
F09D9C9FEA9DA8
F09D9C9FEFB9AB
F09D9C9F
F09D9E9FEA9DA8
F09D9E9FEFB9AB
F09D9E9F
F48FBFBFEA9DA8
F48FBFBFEFB9AB
F48FBFBF
F3A087AFEA9DA8
F3A087AFEFB9AB
F3A087AF
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EFB9AB
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEA9DA8
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEFB9AB
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9AB
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EFB9AB
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
EA9DA8
EFB9AB
SELECT count(*) FROM t1, t2
WHERE t1.utf8mb4_encoding > t2.utf8mb3_encoding;
count(*)
33
ALTER TABLE t1 CONVERT TO CHARACTER SET utf8;
Warnings:
Warning 1366 Incorrect string value: '\xF0\x9D\x84\x80' for column 'utf8mb4_encoding' at row 1
Warning 1366 Incorrect string value: '\xF0\x9D\x84\x9E' for column 'utf8mb4_encoding' at row 2
Warning 1366 Incorrect string value: '\xF0\x9D\x85\x9E' for column 'utf8mb4_encoding' at row 3
Warning 1366 Incorrect string value: '\xF0\x9D\x87\x8F' for column 'utf8mb4_encoding' at row 4
Warning 1366 Incorrect string value: '\xF0\x9D\x9C\x9F' for column 'utf8mb4_encoding' at row 5
Warning 1366 Incorrect string value: '\xF0\x9D\x9E\x9F' for column 'utf8mb4_encoding' at row 6
Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBF' for column 'utf8mb4_encoding' at row 7
Warning 1366 Incorrect string value: '\xF3\xA0\x87\xAF' for column 'utf8mb4_encoding' at row 8
Warning 1366 Incorrect string value: '\xF0\x9D\x84\x9E\xF0\x9D...' for column 'utf8mb4_encoding' at row 9
Warning 1366 Incorrect string value: '\xF0\x9D\x84\x9E\xF0\x9D...' for column 'utf8mb4_encoding' at row 10
Warning 1366 Incorrect string value: '\xF0\x9D\x84\x9E\xF0\x9D...' for column 'utf8mb4_encoding' at row 11
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
Table Create Table Table Create Table
t1 CREATE TABLE `t1` ( t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL, `u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) NOT NULL `utf8mb4_encoding` varchar(10) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding),utf8mb4_encoding FROM t1;
u_decimal hex(utf8mb4_encoding) utf8mb4_encoding
119040 3F ?
119070 3F ?
119134 3F ?
119247 3F ?
120607 3F ?
120735 3F ?
1114111 3F ?
917999 3F ?
119070 3F3F3F3F3F3F3F3F3F3F ??????????
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB ﹫?????﹫﹫?﹫
119070 3F3F3F3F3F3F3F3F3F3F ??????????
1114111
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 ) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
42856 EA9DA8
65131 EFB9AB
1114111
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb3;
SHOW CREATE TABLE t2; SHOW CREATE TABLE t2;
Table Create Table Table Create Table
t2 CREATE TABLE `t2` ( t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL, `u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) NOT NULL `utf8mb3_encoding` varchar(10) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8 ) ENGINE=MyISAM DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
42856 EA9DA8
65131 EFB9AB
1114111
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb3;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
u_decimal hex(utf8mb4_encoding)
119040 3F
119070 3F
119134 3F
119247 3F
120607 3F
120735 3F
1114111 3F
917999 3F
119070 3F3F3F3F3F3F3F3F3F3F
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB
119070 3F3F3F3F3F3F3F3F3F3F
1114111
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
u_decimal hex(utf8mb4_encoding)
119040 3F
119070 3F
119134 3F
119247 3F
120607 3F
120735 3F
1114111 3F
917999 3F
119070 3F3F3F3F3F3F3F3F3F3F
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB
119070 3F3F3F3F3F3F3F3F3F3F
1114111
ALTER TABLE t2 MODIFY utf8mb3_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
42856 EA9DA8
65131 EFB9AB
1114111
DROP TABLE IF EXISTS t3;
CREATE TABLE t3 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8;
INSERT INTO t3 SELECT * FROM t1;
DROP TABLE IF EXISTS t4;
CREATE TABLE t4 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4;
INSERT INTO t3 SELECT * FROM t2;
DROP TABLE t1; DROP TABLE t1;
DROP TABLE t2; DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
# #
# Testing that mixing utf8 and utf8mb4 collations returns utf8mb4 # Testing that mixing utf8 and utf8mb4 collations returns utf8mb4
# #
......
drop table if exists t1,t2;
#
# Start of 5.5 tests
#
set names utf8mb4;
select left(_utf8mb4 0xD0B0D0B1D0B2,1);
left(_utf8mb4 0xD0B0D0B1D0B2,1)
а
select right(_utf8mb4 0xD0B0D0B2D0B2,1);
right(_utf8mb4 0xD0B0D0B2D0B2,1)
в
select locate('he','hello');
locate('he','hello')
1
select locate('he','hello',2);
locate('he','hello',2)
0
select locate('lo','hello',2);
locate('lo','hello',2)
4
select locate('HE','hello');
locate('HE','hello')
1
select locate('HE','hello',2);
locate('HE','hello',2)
0
select locate('LO','hello',2);
locate('LO','hello',2)
4
select locate('HE','hello' collate utf8mb4_bin);
locate('HE','hello' collate utf8mb4_bin)
0
select locate('HE','hello' collate utf8mb4_bin,2);
locate('HE','hello' collate utf8mb4_bin,2)
0
select locate('LO','hello' collate utf8mb4_bin,2);
locate('LO','hello' collate utf8mb4_bin,2)
0
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D0B1D0B2);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D0B1D0B2)
2
select locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2);
locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2)
2
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2)
2
select locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2 collate utf8mb4_bin);
locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2 collate utf8mb4_bin)
0
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2 collate utf8mb4_bin);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2 collate utf8mb4_bin)
0
select length(_utf8mb4 0xD0B1), bit_length(_utf8mb4 0xD0B1), char_length(_utf8mb4 0xD0B1);
length(_utf8mb4 0xD0B1) bit_length(_utf8mb4 0xD0B1) char_length(_utf8mb4 0xD0B1)
2 16 1
select 'a' like 'a';
'a' like 'a'
1
select 'A' like 'a';
'A' like 'a'
1
select 'A' like 'a' collate utf8mb4_bin;
'A' like 'a' collate utf8mb4_bin
0
select _utf8mb4 0xD0B0D0B1D0B2 like concat(_utf8mb4'%',_utf8mb4 0xD0B1,_utf8mb4 '%');
_utf8mb4 0xD0B0D0B1D0B2 like concat(_utf8mb4'%',_utf8mb4 0xD0B1,_utf8mb4 '%')
1
select convert(_latin1'Gnter Andr' using utf8mb4) like CONVERT(_latin1'GNTER%' USING utf8mb4);
convert(_latin1'G?nter Andr?' using utf8mb4) like CONVERT(_latin1'G?NTER%' USING utf8mb4)
1
select CONVERT(_koi8r'' USING utf8mb4) LIKE CONVERT(_koi8r'' USING utf8mb4);
CONVERT(_koi8r'????' USING utf8mb4) LIKE CONVERT(_koi8r'????' USING utf8mb4)
1
select CONVERT(_koi8r'' USING utf8mb4) LIKE CONVERT(_koi8r'' USING utf8mb4);
CONVERT(_koi8r'????' USING utf8mb4) LIKE CONVERT(_koi8r'????' USING utf8mb4)
1
SELECT 'a' = 'a ';
'a' = 'a '
1
SELECT 'a\0' < 'a';
'a\0' < 'a'
1
SELECT 'a\0' < 'a ';
'a\0' < 'a '
1
SELECT 'a\t' < 'a';
'a\t' < 'a'
1
SELECT 'a\t' < 'a ';
'a\t' < 'a '
1
SELECT 'a' = 'a ' collate utf8mb4_bin;
'a' = 'a ' collate utf8mb4_bin
1
SELECT 'a\0' < 'a' collate utf8mb4_bin;
'a\0' < 'a' collate utf8mb4_bin
1
SELECT 'a\0' < 'a ' collate utf8mb4_bin;
'a\0' < 'a ' collate utf8mb4_bin
1
SELECT 'a\t' < 'a' collate utf8mb4_bin;
'a\t' < 'a' collate utf8mb4_bin
1
SELECT 'a\t' < 'a ' collate utf8mb4_bin;
'a\t' < 'a ' collate utf8mb4_bin
1
CREATE TABLE t1 (a char(10) character set utf8mb4 not null) ENGINE heap;
INSERT INTO t1 VALUES ('a'),('a\0'),('a\t'),('a ');
SELECT hex(a),STRCMP(a,'a'), STRCMP(a,'a ') FROM t1;
hex(a) STRCMP(a,'a') STRCMP(a,'a ')
61 0 0
61 0 0
6100 -1 -1
6109 -1 -1
DROP TABLE t1;
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
this is a test
select insert("aa",100,1,"b"),insert("aa",1,3,"b");
insert("aa",100,1,"b") insert("aa",1,3,"b")
aa b
select char_length(left(@a:='тест',5)), length(@a), @a;
char_length(left(@a:='тест',5)) length(@a) @a
4 8 тест
create table t1 ENGINE heap select date_format("2004-01-19 10:10:10", "%Y-%m-%d");
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`date_format("2004-01-19 10:10:10", "%Y-%m-%d")` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
select * from t1;
date_format("2004-01-19 10:10:10", "%Y-%m-%d")
2004-01-19
drop table t1;
set names utf8mb4;
set LC_TIME_NAMES='fr_FR';
create table t1 (s1 char(20) character set latin1) engine heap;
insert into t1 values (date_format('2004-02-02','%M'));
select hex(s1) from t1;
hex(s1)
66E97672696572
drop table t1;
create table t1 (s1 char(20) character set koi8r) engine heap;
set LC_TIME_NAMES='ru_RU';
insert into t1 values (date_format('2004-02-02','%M'));
insert into t1 values (date_format('2004-02-02','%b'));
insert into t1 values (date_format('2004-02-02','%W'));
insert into t1 values (date_format('2004-02-02','%a'));
select hex(s1), s1 from t1;
hex(s1) s1
E6C5D7 Фев
E6C5D7D2C1CCD1 Февраля
F0CEC4 Пнд
F0CFCEC5C4C5CCD8CEC9CB Понедельник
drop table t1;
set LC_TIME_NAMES='en_US';
set names koi8r;
create table t1 (s1 char(1) character set utf8mb4) engine heap;
insert into t1 values (_koi8r'');
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select s1,hex(s1),char_length(s1),octet_length(s1) from t1;
s1 hex(s1) char_length(s1) octet_length(s1)
D0B0 1 2
drop table t1;
create table t1 (s1 varchar(255) character set utf8mb4) engine heap;
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161
61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61
D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F
D18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18F
D18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18F
select length(s1),char_length(s1) from t1;
length(s1) char_length(s1)
255 255
382 255
383 255
510 255
510 255
drop table t1;
create table t1 (s1 varchar(255) character set utf8mb4) engine heap;
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select length(s1),char_length(s1) from t1;
length(s1) char_length(s1)
255 255
382 255
383 255
510 255
510 255
drop table t1;
create table t1 (s1 char(10) character set utf8mb4) engine heap;
insert into t1 values (0x41FF);
Warnings:
Warning 1366 Incorrect string value: '\xFF' for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
41
drop table t1;
create table t1 (s1 varchar(10) character set utf8mb4) engine heap;
insert into t1 values (0x41FF);
Warnings:
Warning 1366 Incorrect string value: '\xFF' for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
41
drop table t1;
CREATE TABLE t1 ( a varchar(10) ) CHARACTER SET utf8mb4 ENGINE heap;
INSERT INTO t1 VALUES ( 'test' );
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = b.a;
a a
test test
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = 'test' and b.a = 'test';
a a
test test
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = b.a and a.a = 'test';
a a
test test
DROP TABLE t1;
create table t1 (a char(255) character set utf8mb4) engine heap;
insert into t1 values('b'),('b');
select * from t1 where a = 'b';
a
b
b
select * from t1 where a = 'b' and a = 'b';
a
b
b
select * from t1 where a = 'b' and a != 'b';
a
drop table t1;
set collation_connection=utf8mb4_general_ci;
drop table if exists t1;
create table t1 as
select repeat(' ', 64) as s1, repeat(' ',64) as s2
union
select null, null;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`s1` varchar(64) CHARACTER SET utf8mb4 DEFAULT NULL,
`s2` varchar(64) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
delete from t1;
insert into t1 values('aaa','aaa');
insert into t1 values('aaa|qqq','qqq');
insert into t1 values('gheis','^[^a-dXYZ]+$');
insert into t1 values('aab','^aa?b');
insert into t1 values('Baaan','^Ba*n');
insert into t1 values('aaa','qqq|aaa');
insert into t1 values('qqq','qqq|aaa');
insert into t1 values('bbb','qqq|aaa');
insert into t1 values('bbb','qqq');
insert into t1 values('aaa','aba');
insert into t1 values(null,'abc');
insert into t1 values('def',null);
insert into t1 values(null,null);
insert into t1 values('ghi','ghi[');
select HIGH_PRIORITY s1 regexp s2 from t1;
s1 regexp s2
1
1
1
1
1
1
1
0
0
0
NULL
NULL
NULL
NULL
drop table t1;
set names utf8mb4;
set names utf8mb4;
select 'вася' rlike '[[:<:]]вася[[:>:]]';
'вася' rlike '[[:<:]]вася[[:>:]]'
1
select 'вася ' rlike '[[:<:]]вася[[:>:]]';
'вася ' rlike '[[:<:]]вася[[:>:]]'
1
select ' вася' rlike '[[:<:]]вася[[:>:]]';
' вася' rlike '[[:<:]]вася[[:>:]]'
1
select ' вася ' rlike '[[:<:]]вася[[:>:]]';
' вася ' rlike '[[:<:]]вася[[:>:]]'
1
select 'васяz' rlike '[[:<:]]вася[[:>:]]';
'васяz' rlike '[[:<:]]вася[[:>:]]'
0
select 'zвася' rlike '[[:<:]]вася[[:>:]]';
'zвася' rlike '[[:<:]]вася[[:>:]]'
0
select 'zвасяz' rlike '[[:<:]]вася[[:>:]]';
'zвасяz' rlike '[[:<:]]вася[[:>:]]'
0
CREATE TABLE t1 (a enum ('Y', 'N') DEFAULT 'N' COLLATE utf8mb4_unicode_ci) ENGINE heap;
ALTER TABLE t1 ADD COLUMN b CHAR(20);
DROP TABLE t1;
set names utf8mb4;
create table t1 (a enum('aaaa','проба') character set utf8mb4) engine heap;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` enum('aaaa','проба') CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
insert into t1 values ('проба');
select * from t1;
a
проба
create table t2 engine heap select ifnull(a,a) from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`ifnull(a,a)` varchar(5) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=latin1
select * from t2;
ifnull(a,a)
проба
drop table t1;
drop table t2;
create table t1 (c varchar(30) character set utf8mb4, unique(c(10))) engine heap;
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
insert into t1 values ('aaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values ('aaaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
c1
1
select c c2 from t1 where c='2';
c2
2
select c c3 from t1 where c='3';
c3
3
select c cx from t1 where c='x';
cx
x
select c cy from t1 where c='y';
cy
y
select c cz from t1 where c='z';
cz
z
select c ca10 from t1 where c='aaaaaaaaaa';
ca10
aaaaaaaaaa
select c cb20 from t1 where c=repeat('b',20);
cb20
bbbbbbbbbbbbbbbbbbbb
drop table t1;
create table t1 (c varchar(30) character set utf8mb4, unique(c(10))) engine=heap;
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
insert into t1 values ('aaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values ('aaaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
c1
1
select c c2 from t1 where c='2';
c2
2
select c c3 from t1 where c='3';
c3
3
select c cx from t1 where c='x';
cx
x
select c cy from t1 where c='y';
cy
y
select c cz from t1 where c='z';
cz
z
select c ca10 from t1 where c='aaaaaaaaaa';
ca10
aaaaaaaaaa
select c cb20 from t1 where c=repeat('b',20);
cb20
bbbbbbbbbbbbbbbbbbbb
drop table t1;
create table t1 (c char(3) character set utf8mb4, unique (c(2))) engine heap;
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'aa' for key 'c'
insert into t1 values ('b');
insert into t1 values ('bb');
insert into t1 values ('bbb');
ERROR 23000: Duplicate entry 'bb' for key 'c'
insert into t1 values ('а');
insert into t1 values ('аа');
insert into t1 values ('ааа');
ERROR 23000: Duplicate entry 'аа' for key 'c'
insert into t1 values ('б');
insert into t1 values ('бб');
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'бб' for key 'c'
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
insert into t1 values ('ꪪꪪꪪ');
ERROR 23000: Duplicate entry 'ꪪꪪ' for key 'c'
drop table t1;
create table t1 (c char(3) character set utf8mb4, unique (c(2))) engine=heap;
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'aa' for key 'c'
insert into t1 values ('b');
insert into t1 values ('bb');
insert into t1 values ('bbb');
ERROR 23000: Duplicate entry 'bb' for key 'c'
insert into t1 values ('а');
insert into t1 values ('аа');
insert into t1 values ('ааа');
ERROR 23000: Duplicate entry 'аа' for key 'c'
insert into t1 values ('б');
insert into t1 values ('бб');
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'бб' for key 'c'
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
insert into t1 values ('ꪪꪪꪪ');
ERROR 23000: Duplicate entry 'ꪪꪪ' for key 'c'
drop table t1;
create table t1 (
c char(10) character set utf8mb4,
unique key a using hash (c(1))
) engine=heap;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING HASH
) ENGINE=MEMORY DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4,
unique key a using btree (c(1))
) engine=heap;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING BTREE
) ENGINE=MEMORY DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4,
unique key a (c(1))
) engine=heap;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (c varchar(30) character set utf8mb4 collate utf8mb4_bin, unique(c(10))) engine heap;
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
insert into t1 values ('aaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values ('aaaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
c1
1
select c c2 from t1 where c='2';
c2
2
select c c3 from t1 where c='3';
c3
3
select c cx from t1 where c='x';
cx
x
select c cy from t1 where c='y';
cy
y
select c cz from t1 where c='z';
cz
z
select c ca10 from t1 where c='aaaaaaaaaa';
ca10
aaaaaaaaaa
select c cb20 from t1 where c=repeat('b',20);
cb20
bbbbbbbbbbbbbbbbbbbb
drop table t1;
create table t1 (c char(3) character set utf8mb4 collate utf8mb4_bin, unique (c(2))) engine heap;
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'aa' for key 'c'
insert into t1 values ('b');
insert into t1 values ('bb');
insert into t1 values ('bbb');
ERROR 23000: Duplicate entry 'bb' for key 'c'
insert into t1 values ('а');
insert into t1 values ('аа');
insert into t1 values ('ааа');
ERROR 23000: Duplicate entry 'аа' for key 'c'
insert into t1 values ('б');
insert into t1 values ('бб');
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'бб' for key 'c'
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
insert into t1 values ('ꪪꪪꪪ');
ERROR 23000: Duplicate entry 'ꪪꪪ' for key 'c'
drop table t1;
create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a using hash (c(1))
) engine=heap;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING HASH
) ENGINE=MEMORY DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a using btree (c(1))
) engine=heap;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING BTREE
) ENGINE=MEMORY DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a (c(1))
) engine=heap;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine=heap;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine=heap;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str using btree (str(2))
) engine=heap;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str using hash (str(2))
) engine=heap;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine= heap;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
CREATE TABLE t1 (a varchar(32) BINARY) CHARACTER SET utf8mb4 ENGINE heap;
INSERT INTO t1 VALUES ('test');
SELECT a FROM t1 WHERE a LIKE '%te';
a
DROP TABLE t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (
subject varchar(255) character set utf8mb4 collate utf8mb4_unicode_ci,
p varchar(15) character set utf8mb4
) ENGINE= heap DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('谷川俊二と申しますが、インターネット予約の会員登録をしましたところ、メールアドレスを間違えてしまい会員IDが受け取ることが出来ませんでした。間違えアドレスはtani-shun@n.vodafone.ne.jpを書き込みました。どうすればよいですか? その他、住所等は間違えありません。連絡ください。よろしくお願いします。m(__)m','040312-000057');
INSERT INTO t1 VALUES ('aaa','bbb');
SELECT length(subject) FROM t1;
length(subject)
3
432
SELECT length(subject) FROM t1 ORDER BY 1;
length(subject)
3
432
DROP TABLE t1;
set names utf8mb4;
create table t1 (
a int primary key,
b varchar(6),
index b3(b(3))
) engine=heap character set=utf8mb4;
insert into t1 values(1,'foo'),(2,'foobar');
select * from t1 where b like 'foob%';
a b
2 foobar
alter table t1 engine=innodb;
select * from t1 where b like 'foob%';
a b
2 foobar
drop table t1;
create table t1 (
a enum('петя','вася','анюта') character set utf8mb4 not null default 'анюта',
b set('петя','вася','анюта') character set utf8mb4 not null default 'анюта'
) engine heap;
create table t2 engine heap select concat(a,_utf8mb4'') as a, concat(b,_utf8mb4'')as b from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` varchar(5) CHARACTER SET utf8mb4 NOT NULL DEFAULT '',
`b` varchar(15) CHARACTER SET utf8mb4 NOT NULL DEFAULT ''
) ENGINE=MEMORY DEFAULT CHARSET=latin1
drop table t2;
drop table t1;
select 'c' like '\_' as want0;
want0
0
SELECT SUBSTR('вася',-2);
SUBSTR('вася',-2)
ся
create table t1 (id integer, a varchar(100) character set utf8mb4 collate utf8mb4_unicode_ci) engine heap;
insert into t1 values (1, 'Test');
select * from t1 where soundex(a) = soundex('Test');
id a
1 Test
select * from t1 where soundex(a) = soundex('TEST');
id a
1 Test
select * from t1 where soundex(a) = soundex('test');
id a
1 Test
drop table t1;
select soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB);
soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB)
阅000
select hex(soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB));
hex(soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB))
E99885303030
select soundex(_utf8mb4 0xD091D092D093);
soundex(_utf8mb4 0xD091D092D093)
Б000
select hex(soundex(_utf8mb4 0xD091D092D093));
hex(soundex(_utf8mb4 0xD091D092D093))
D091303030
SET collation_connection='utf8mb4_general_ci';
create table t1 select repeat('a',4000) a;
delete from t1;
insert into t1 values ('a'), ('a '), ('a\t');
select collation(a),hex(a) from t1 order by a;
collation(a) hex(a)
utf8mb4_general_ci 6109
utf8mb4_general_ci 61
utf8mb4_general_ci 6120
drop table t1;
select @@collation_connection;
@@collation_connection
utf8mb4_general_ci
create table t1 ROW_FORMAT=DYNAMIC select repeat('a',50) as c1 ;
insert into t1 values('abcdef');
insert into t1 values('_bcdef');
insert into t1 values('a_cdef');
insert into t1 values('ab_def');
insert into t1 values('abc_ef');
insert into t1 values('abcd_f');
insert into t1 values('abcde_');
select c1 as c1u from t1 where c1 like 'ab\_def';
c1u
ab_def
select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
c2h
ab_def
drop table t1;
drop table if exists t1;
create table t1 as select repeat(' ', 64) as s1;
select collation(s1) from t1;
collation(s1)
utf8mb4_general_ci
delete from t1;
insert into t1 values ('a'),('ae'),(_latin1 0xE4);
insert into t1 values ('o'),('oe'),(_latin1 0xF6);
insert into t1 values ('s'),('ss'),(_latin1 0xDF);
insert into t1 values ('u'),('ue'),(_latin1 0xFC);
select s1, hex(s1) from t1 order by s1, binary s1;
s1 hex(s1)
a 61
ä C3A4
ae 6165
o 6F
ö C3B6
oe 6F65
s 73
ß C39F
ss 7373
u 75
ü C3BC
ue 7565
select group_concat(s1 order by binary s1) from t1 group by s1;
group_concat(s1 order by binary s1)
a,ä
ae
o,ö
oe
s,ß
ss
u,ü
ue
drop table t1;
SET collation_connection='utf8mb4_bin';
create table t1 select repeat('a',4000) a;
delete from t1;
insert into t1 values ('a'), ('a '), ('a\t');
select collation(a),hex(a) from t1 order by a;
collation(a) hex(a)
utf8mb4_bin 6109
utf8mb4_bin 61
utf8mb4_bin 6120
drop table t1;
select @@collation_connection;
@@collation_connection
utf8mb4_bin
create table t1 ROW_FORMAT=DYNAMIC select repeat('a',50) as c1 ;
insert into t1 values('abcdef');
insert into t1 values('_bcdef');
insert into t1 values('a_cdef');
insert into t1 values('ab_def');
insert into t1 values('abc_ef');
insert into t1 values('abcd_f');
insert into t1 values('abcde_');
select c1 as c1u from t1 where c1 like 'ab\_def';
c1u
ab_def
select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
c2h
ab_def
drop table t1;
CREATE TABLE t1 (
user varchar(255) NOT NULL default ''
) ENGINE=heap DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('one'),('two');
SELECT CHARSET('a');
CHARSET('a')
utf8mb4
SELECT user, CONCAT('<', user, '>') AS c FROM t1;
user c
one <one>
two <two>
DROP TABLE t1;
create table t1 (f1 varchar(1) not null) default charset utf8mb4 engine heap;
insert into t1 values (''), ('');
select concat(concat(_latin1'->',f1),_latin1'<-') from t1;
concat(concat(_latin1'->',f1),_latin1'<-')
-><-
-><-
drop table t1;
select convert(_koi8r'' using utf8mb4) < convert(_koi8r'' using utf8mb4);
convert(_koi8r'?' using utf8mb4) < convert(_koi8r'?' using utf8mb4)
1
set names latin1;
create table t1 (a varchar(10)) character set utf8mb4 engine heap;
insert into t1 values ('test');
select ifnull(a,'') from t1;
ifnull(a,'')
test
drop table t1;
select repeat(_utf8mb4'+',3) as h union select NULL;
h
+++
NULL
select ifnull(NULL, _utf8mb4'string');
ifnull(NULL, _utf8mb4'string')
string
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_lithuanian_ci) engine heap;
insert into t1 values ('I'),('K'),('Y');
select * from t1 where s1 < 'K' and s1 = 'Y';
s1
I
Y
select * from t1 where 'K' > s1 and s1 = 'Y';
s1
I
Y
drop table t1;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_czech_ci) engine heap;
insert into t1 values ('c'),('d'),('h'),('ch'),('CH'),('cH'),('Ch'),('i');
select * from t1 where s1 > 'd' and s1 = 'CH';
s1
CH
Ch
ch
select * from t1 where 'd' < s1 and s1 = 'CH';
s1
CH
Ch
ch
select * from t1 where s1 = 'cH' and s1 <> 'ch';
s1
cH
select * from t1 where 'cH' = s1 and s1 <> 'ch';
s1
cH
drop table t1;
create table t1 (a varchar(255)) default character set utf8mb4 engine heap;
insert into t1 values (1.0);
drop table t1;
create table t1 (
id int not null,
city varchar(20) not null,
key (city(7),id)
) character set=utf8mb4 engine heap;
insert into t1 values (1,'Durban North');
insert into t1 values (2,'Durban');
select * from t1 where city = 'Durban';
id city
2 Durban
select * from t1 where city = 'Durban ';
id city
2 Durban
drop table t1;
create table t1 (x set('A', 'B') default 0) character set utf8mb4 engine heap;
ERROR 42000: Invalid default value for 'x'
create table t1 (x enum('A', 'B') default 0) character set utf8mb4 engine heap;
ERROR 42000: Invalid default value for 'x'
SET NAMES UTF8;
CREATE TABLE t1 (
`id` int(20) NOT NULL auto_increment,
`country` varchar(100) NOT NULL default '',
`shortcode` varchar(100) NOT NULL default '',
`operator` varchar(100) NOT NULL default '',
`momid` varchar(30) NOT NULL default '',
`keyword` varchar(160) NOT NULL default '',
`content` varchar(160) NOT NULL default '',
`second_token` varchar(160) default NULL,
`gateway_id` int(11) NOT NULL default '0',
`created` datetime NOT NULL default '0000-00-00 00:00:00',
`msisdn` varchar(15) NOT NULL default '',
PRIMARY KEY (`id`),
UNIQUE KEY `MSCCSPK_20030521130957121` (`momid`),
KEY `IX_mobile_originated_message_keyword` (`keyword`),
KEY `IX_mobile_originated_message_created` (`created`),
KEY `IX_mobile_originated_message_support` (`msisdn`,`momid`,`keyword`,`gateway_id`,`created`)
) ENGINE=heap DEFAULT CHARSET=utf8mb4;
INSERT INTO t1 VALUES
(1,'blah','464','aaa','fkc1c9ilc20x0hgae7lx6j09','ERR','ERR Имри.Афимим.Аеимимримдмримрмрирор имримримримр имридм ирбднримрфмририримрфмфмим.Ад.Д имдимримрад.Адимримримрмдиримримримр м.Дадимфшьмримд им.Адимимрн имадми','ИМРИ.АФИМИМ.АЕИМИМРИМДМРИМРМРИРОР',3,'2005-06-01 17:30:43','1234567890'),
(2,'blah','464','aaa','haxpl2ilc20x00bj4tt2m5ti','11','11 g','G',3,'2005-06-02 22:43:10','1234567890');
CREATE TABLE t2 (
`msisdn` varchar(15) NOT NULL default '',
`operator_id` int(11) NOT NULL default '0',
`created` datetime NOT NULL default '0000-00-00 00:00:00',
UNIQUE KEY `PK_user` (`msisdn`)
) ENGINE=heap DEFAULT CHARSET=utf8mb4;
INSERT INTO t2 VALUES ('1234567890',2,'2005-05-24 13:53:25');
SELECT content, t2.msisdn FROM t1, t2 WHERE t1.msisdn = '1234567890';
content msisdn
ERR Имри.Афимим.Аеимимримдмримрмрирор имримримримр имридм ирбднримрфмририримрфмфмим.Ад.Д имдимримрад.Адимримримрмдиримримримр м.Дадимфшьмримд им.Адимимрн имадми 1234567890
11 g 1234567890
DROP TABLE t1,t2;
create table t1 (a char(20) character set utf8mb4) engine heap;
insert into t1 values ('123456'),('андрей');
alter table t1 modify a char(2) character set utf8mb4;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
Warning 1265 Data truncated for column 'a' at row 2
select char_length(a), length(a), a from t1 order by a;
char_length(a) length(a) a
2 2 12
2 4 ан
drop table t1;
set names utf8mb4;
select 'andre%' like 'andreñ%' escape 'ñ';
'andre%' like 'andreñ%' escape 'ñ'
1
set names utf8mb4;
select 'a\\' like 'a\\';
'a\\' like 'a\\'
1
select 'aa\\' like 'a%\\';
'aa\\' like 'a%\\'
1
create table t1 (a char(10), key(a)) character set utf8mb4 engine heap;
insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
select * from t1 where a like "abc%";
a
abc
abcd
select * from t1 where a like concat("abc","%");
a
abc
abcd
select * from t1 where a like "ABC%";
a
abc
abcd
select * from t1 where a like "test%";
a
test
select * from t1 where a like "te_t";
a
test
select * from t1 where a like "%a%";
a
a
abc
abcd
select * from t1 where a like "%abcd%";
a
abcd
select * from t1 where a like "%abc\d%";
a
abcd
drop table t1;
CREATE TABLE t1 (
a varchar(255) NOT NULL default '',
KEY a (a)
) ENGINE=heap DEFAULT CHARSET=utf8mb4 COLLATE utf8mb4_general_ci;
insert into t1 values (_utf8mb4 0xe880bd);
insert into t1 values (_utf8mb4 0x5b);
select hex(a) from t1;
hex(a)
5B
E880BD
drop table t1;
set names 'latin1';
create table t1 (a varchar(255)) default charset=utf8mb4 engine heap;
select * from t1 where find_in_set('-1', a);
a
drop table t1;
create table t1 (a int) engine heap;
insert into t1 values (48),(49),(50);
set names utf8mb4;
select distinct char(a) from t1;
char(a)
0
1
2
drop table t1;
CREATE TABLE t1 (item varchar(255)) default character set utf8mb4 ENGINE heap;
INSERT INTO t1 VALUES (N'\\');
INSERT INTO t1 VALUES (_utf8mb4'\\');
INSERT INTO t1 VALUES (N'Cote d\'Ivoire');
INSERT INTO t1 VALUES (_utf8mb4'Cote d\'Ivoire');
SELECT item FROM t1 ORDER BY item;
item
Cote d'Ivoire
Cote d'Ivoire
\
\
DROP TABLE t1;
SET NAMES utf8mb4;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 't1'
CREATE TABLE t1(a VARCHAR(255), KEY(a)) ENGINE=heap DEFAULT CHARSET=utf8mb4;
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb');
INSERT INTO t1 VALUES('uu');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('uU');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('uu');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('uuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('UuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('uuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
alter table t1 add b int;
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',1);
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',2);
delete from t1 where b=1;
INSERT INTO t1 VALUES('UUABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',1);
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',3);
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',4);
delete from t1 where b=3;
INSERT INTO t1 VALUES('uUABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',3);
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4) engine heap;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_general_ci from t1 where s1 like 'ペテ%';
before_delete_general_ci
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_general_ci from t1 where s1 like 'ペテ%';
after_delete_general_ci
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_unicode_ci) engine heap;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_unicode_ci from t1 where s1 like 'ペテ%';
before_delete_unicode_ci
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_unicode_ci from t1 where s1 like 'ペテ%';
after_delete_unicode_ci
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_bin) engine heap;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_bin from t1 where s1 like 'ペテ%';
before_delete_bin
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_bin from t1 where s1 like 'ペテ%';
after_delete_bin
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=heap default character set utf8mb4 collate utf8mb4_general_ci;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as gci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
gci1
さしすせそかきくけこあいうえお
select a as gci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
gci2
あいうえおかきくけこさしすせそ
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=heap default character set utf8mb4 collate utf8mb4_unicode_ci;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as uci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
uci1
さしすせそかきくけこあいうえお
select a as uci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
uci2
あいうえおかきくけこさしすせそ
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=heap default character set utf8mb4 collate utf8mb4_bin;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as bin1 from t1 where a like 'さしすせそかきくけこあいうえお%';
bin1
さしすせそかきくけこあいうえお
select a as bin2 from t1 where a like 'あいうえおかきくけこさしすせそ';
bin2
あいうえおかきくけこさしすせそ
drop table t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (id int PRIMARY KEY,
a varchar(16) collate utf8mb4_unicode_ci NOT NULL default '',
b int,
f varchar(128) default 'XXX',
INDEX (a(4))
) ENGINE=heap DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
INSERT INTO t1(id, a, b) VALUES
(1, 'cccc', 50), (2, 'cccc', 70), (3, 'cccc', 30),
(4, 'cccc', 30), (5, 'cccc', 20), (6, 'bbbbbb', 40),
(7, 'dddd', 30), (8, 'aaaa', 10), (9, 'aaaa', 50),
(10, 'eeeee', 40), (11, 'bbbbbb', 60);
SELECT id, a, b FROM t1;
id a b
1 cccc 50
10 eeeee 40
11 bbbbbb 60
2 cccc 70
3 cccc 30
4 cccc 30
5 cccc 20
6 bbbbbb 40
7 dddd 30
8 aaaa 10
9 aaaa 50
SELECT id, a, b FROM t1 WHERE a BETWEEN 'aaaa' AND 'bbbbbb';
id a b
11 bbbbbb 60
6 bbbbbb 40
8 aaaa 10
9 aaaa 50
SELECT id, a FROM t1 WHERE a='bbbbbb';
id a
11 bbbbbb
6 bbbbbb
SELECT id, a FROM t1 WHERE a='bbbbbb' ORDER BY b;
id a
6 bbbbbb
11 bbbbbb
DROP TABLE t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (
a CHAR(13) DEFAULT '',
INDEX(a)
) ENGINE=heap DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES
('Käli Käli 2-4'), ('Käli Käli 2-4'),
('Käli Käli 2+4'), ('Käli Käli 2+4'),
('Käli Käli 2-6'), ('Käli Käli 2-6');
INSERT INTO t1 SELECT * FROM t1;
CREATE TABLE t2 (
a CHAR(13) DEFAULT '',
INDEX(a)
) ENGINE=heap DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
INSERT INTO t2 VALUES
('Kali Kali 2-4'), ('Kali Kali 2-4'),
('Kali Kali 2+4'), ('Kali Kali 2+4'),
('Kali Kali 2-6'), ('Kali Kali 2-6');
INSERT INTO t2 SELECT * FROM t2;
SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
a
Käli Käli 2+4
Käli Käli 2+4
Käli Käli 2+4
Käli Käli 2+4
SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
a
Kali Kali 2+4
Kali Kali 2+4
Kali Kali 2+4
Kali Kali 2+4
EXPLAIN SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL a NULL NULL NULL 12 Using where
EXPLAIN SELECT a FROM t1 WHERE a = 'Käli Käli 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 53 const 4 Using where
EXPLAIN SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ALL a NULL NULL NULL 12 Using where
EXPLAIN SELECT a FROM t2 WHERE a = 'Kali Kali 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref a a 14 const 4 Using where
DROP TABLE t1,t2;
CREATE TABLE t1 (
a char(255) DEFAULT '',
KEY(a(10))
) ENGINE=heap DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
DROP TABLE t1;
CREATE TABLE t1 (
a char(255) DEFAULT ''
) ENGINE=heap DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES ('Käli Käli 2-4');
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
ALTER TABLE t1 ADD KEY (a(10));
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
DROP TABLE t1;
SET NAMES latin2;
create table t1(a char(200) collate utf8mb4_unicode_ci NOT NULL default '')
default charset=utf8mb4 collate=utf8mb4_unicode_ci engine heap;
insert into t1 values (unhex('65')), (unhex('C3A9')), (unhex('65'));
explain select distinct a from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using temporary
select distinct a from t1;
a
e
explain select a from t1 group by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using temporary; Using filesort
select a from t1 group by a;
a
e
drop table t1;
create table t1(a char(10)) default charset utf8mb4 engine heap;
insert into t1 values ('123'), ('456');
explain
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE Y ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
1 SIMPLE Z ALL NULL NULL NULL NULL 2 Using where; Using join buffer
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
substr(Z.a,-1) a
3 123
6 456
drop table t1;
SET CHARACTER SET utf8mb4;
SHOW VARIABLES LIKE 'character\_set\_%';
Variable_name Value
character_set_client utf8mb4
character_set_connection latin1
character_set_database latin1
character_set_filesystem binary
character_set_results utf8mb4
character_set_server latin1
character_set_system utf8
CREATE DATABASE crashtest DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;
USE crashtest;
CREATE TABLE crashtest (crash char(10)) DEFAULT CHARSET=utf8mb4 ENGINE heap;
INSERT INTO crashtest VALUES ('35'), ('36'), ('37');
SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
crash
35
36
37
INSERT INTO crashtest VALUES ('-1000');
EXPLAIN SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE crashtest ALL NULL NULL NULL NULL 4 Using filesort
SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
crash
-1000
35
36
37
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FFFFFC'
DROP TABLE crashtest;
DROP DATABASE crashtest;
USE test;
SET CHARACTER SET default;
CREATE TABLE t1(id varchar(20) NOT NULL) DEFAULT CHARSET=utf8mb4 ENGINE heap;
INSERT INTO t1 VALUES ('xxx'), ('aa'), ('yyy'), ('aa');
SELECT id FROM t1;
id
aa
aa
xxx
yyy
SELECT DISTINCT id FROM t1;
id
aa
xxx
yyy
SELECT DISTINCT id FROM t1 ORDER BY id;
id
aa
xxx
yyy
DROP TABLE t1;
create table t1 (
a varchar(26) not null
) default character set utf8mb4 ENGINE heap;
insert into t1 (a) values ('abcdefghijklmnopqrstuvwxyz');
select * from t1;
a
abcdefghijklmnopqrstuvwxyz
alter table t1 change a a varchar(20) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghijklmnopqrst
alter table t1 change a a char(15) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghijklmno
alter table t1 change a a char(10) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghij
alter table t1 change a a varchar(5) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcde
drop table t1;
create table t1 (
a varchar(4000) not null
) default character set utf8mb4 engine heap;
insert into t1 values (repeat('a',4000));
alter table t1 change a a varchar(3000) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select length(a) from t1;
length(a)
3000
drop table t1;
set names utf8mb4;
select hex(char(1 using utf8mb4));
hex(char(1 using utf8mb4))
01
select char(0xd1,0x8f using utf8mb4);
char(0xd1,0x8f using utf8mb4)
я
select char(0xd18f using utf8mb4);
char(0xd18f using utf8mb4)
я
select char(53647 using utf8mb4);
char(53647 using utf8mb4)
я
select char(0xff,0x8f using utf8mb4);
char(0xff,0x8f using utf8mb4)
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select convert(char(0xff,0x8f) using utf8mb4);
convert(char(0xff,0x8f) using utf8mb4)
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
set sql_mode=traditional;
select char(0xff,0x8f using utf8mb4);
char(0xff,0x8f using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select char(195 using utf8mb4);
char(195 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'C3'
select char(196 using utf8mb4);
char(196 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'C4'
select char(2557 using utf8mb4);
char(2557 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FD'
select convert(char(0xff,0x8f) using utf8mb4);
convert(char(0xff,0x8f) using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select hex(convert(char(2557 using latin1) using utf8mb4));
hex(convert(char(2557 using latin1) using utf8mb4))
09C3BD
select hex(char(195));
hex(char(195))
C3
select hex(char(196));
hex(char(196))
C4
select hex(char(2557));
hex(char(2557))
09FD
set names utf8mb4;
create table t1 (a char(1)) default character set utf8mb4 engine heap;
create table t2 (a char(1)) default character set utf8mb4 engine heap;
insert into t1 values('a'),('a'),(0xE38182),(0xE38182);
insert into t1 values('i'),('i'),(0xE38184),(0xE38184);
select * from t1 union distinct select * from t2;
a
a
i
drop table t1,t2;
set names utf8mb4;
create table t1 (a char(10), b varchar(10)) engine heap;
insert into t1 values ('bar','kostja');
insert into t1 values ('kostja','bar');
prepare my_stmt from "select * from t1 where a=?";
set @a:='bar';
execute my_stmt using @a;
a b
bar kostja
set @a:='kostja';
execute my_stmt using @a;
a b
kostja bar
set @a:=null;
execute my_stmt using @a;
a b
drop table if exists t1;
drop table if exists t1;
drop view if exists v1, v2;
set names utf8mb4;
create table t1(col1 varchar(12) character set utf8mb4 collate utf8mb4_unicode_ci) engine heap;
insert into t1 values('t1_val');
create view v1 as select 'v1_val' as col1;
select coercibility(col1), collation(col1) from v1;
coercibility(col1) collation(col1)
4 utf8mb4_general_ci
create view v2 as select col1 from v1 union select col1 from t1;
select coercibility(col1), collation(col1)from v2;
coercibility(col1) collation(col1)
2 utf8mb4_unicode_ci
2 utf8mb4_unicode_ci
drop view v1, v2;
create view v1 as select 'v1_val' collate utf8mb4_swedish_ci as col1;
select coercibility(col1), collation(col1) from v1;
coercibility(col1) collation(col1)
0 utf8mb4_swedish_ci
create view v2 as select col1 from v1 union select col1 from t1;
select coercibility(col1), collation(col1) from v2;
coercibility(col1) collation(col1)
0 utf8mb4_swedish_ci
0 utf8mb4_swedish_ci
drop view v1, v2;
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine heap;
insert into t1 values ('a',1);
select concat(a, if(b>10, N'x', N'y')) from t1;
concat(a, if(b>10, N'x', N'y'))
ay
select concat(a, if(b>10, N'æ', N'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine heap;
insert into t1 values ('a',1);
select concat(a, if(b>10, _utf8mb4'x', _utf8mb4'y')) from t1;
concat(a, if(b>10, _utf8mb4'x', _utf8mb4'y'))
ay
select concat(a, if(b>10, _utf8mb4'æ', _utf8mb4'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine heap;
insert into t1 values ('a',1);
select concat(a, if(b>10, _utf8mb4 0x78, _utf8mb4 0x79)) from t1;
concat(a, if(b>10, _utf8mb4 0x78, _utf8mb4 0x79))
ay
select concat(a, if(b>10, _utf8mb4 0xC3A6, _utf8mb4 0xC3AF)) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine heap;
insert into t1 values ('a',1);
select concat(a, if(b>10, 'x' 'x', 'y' 'y')) from t1;
concat(a, if(b>10, 'x' 'x', 'y' 'y'))
ayy
select concat(a, if(b>10, 'x' 'æ', 'y' 'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
CREATE TABLE t1 (
colA int(11) NOT NULL,
colB varchar(255) character set utf8mb4 NOT NULL,
PRIMARY KEY (colA)
) ENGINE=heap DEFAULT CHARSET=latin1;
INSERT INTO t1 (colA, colB) VALUES (1, 'foo'), (2, 'foo bar');
CREATE TABLE t2 (
colA int(11) NOT NULL,
colB varchar(255) character set utf8mb4 NOT NULL,
KEY bad (colA,colB(3))
) ENGINE=heap DEFAULT CHARSET=latin1;
INSERT INTO t2 (colA, colB) VALUES (1, 'foo'),(2, 'foo bar');
SELECT * FROM t1 JOIN t2 ON t1.colA=t2.colA AND t1.colB=t2.colB
WHERE t1.colA < 3;
colA colB colA colB
1 foo 1 foo
2 foo bar 2 foo bar
DROP TABLE t1, t2;
SELECT 'н1234567890' UNION SELECT _binary '1';
н1234567890
н1234567890
1
SELECT 'н1234567890' UNION SELECT 1;
н1234567890
н1234567890
1
SELECT '1' UNION SELECT 'н1234567890';
1
1
н1234567890
SELECT 1 UNION SELECT 'н1234567890';
1
1
н1234567890
CREATE TABLE t1 (c VARCHAR(11)) CHARACTER SET utf8mb4 ENGINE heap;
CREATE TABLE t2 (b CHAR(1) CHARACTER SET binary, i INT) ENGINE heap;
INSERT INTO t1 (c) VALUES ('н1234567890');
INSERT INTO t2 (b, i) VALUES ('1', 1);
SELECT c FROM t1 UNION SELECT b FROM t2;
c
н1234567890
1
SELECT c FROM t1 UNION SELECT i FROM t2;
c
н1234567890
1
SELECT b FROM t2 UNION SELECT c FROM t1;
b
1
н1234567890
SELECT i FROM t2 UNION SELECT c FROM t1;
i
1
н1234567890
DROP TABLE t1, t2;
set sql_mode=traditional;
select hex(char(0xFF using utf8mb4));
hex(char(0xFF using utf8mb4))
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(convert(0xFF using utf8mb4));
hex(convert(0xFF using utf8mb4))
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 0x616263FF);
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 B'001111111111');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select (_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
set sql_mode=default;
select hex(char(0xFF using utf8mb4));
hex(char(0xFF using utf8mb4))
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(convert(0xFF using utf8mb4));
hex(convert(0xFF using utf8mb4))
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 0x616263FF);
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 B'001111111111');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select (_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL) ENGINE heap;
INSERT INTO t1 VALUES (70000, 1092), (70001, 1085), (70002, 1065);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
ALTER TABLE t1 ADD UNIQUE (b);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
DROP INDEX b ON t1;
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
ALTER TABLE t1 ADD INDEX (b);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) from t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
DROP TABLE t1;
#
# Bug#26474: Add Sinhala script (Sri Lanka) collation to MySQL
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
predicted_order int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE heap;
INSERT INTO t1 VALUES (19, x'E0B696'), (30, x'E0B69AE0B798'), (61, x'E0B6AF'), (93, x'E0B799'), (52, x'E0B6A6'), (73, x'E0B6BBE0B78AE2808D'), (3, x'E0B686'), (56, x'E0B6AA'), (55, x'E0B6A9'), (70, x'E0B6B9'), (94, x'E0B79A'), (80, x'E0B785'), (25, x'E0B69AE0B791'), (48, x'E0B6A2'), (13, x'E0B690'), (86, x'E0B793'), (91, x'E0B79F'), (81, x'E0B786'), (79, x'E0B784'), (14, x'E0B691'), (99, x'E0B78A'), (8, x'E0B68B'), (68, x'E0B6B7'), (22, x'E0B69A'), (16, x'E0B693'), (33, x'E0B69AE0B7B3'), (38, x'E0B69AE0B79D'), (21, x'E0B683'), (11, x'E0B68E'), (77, x'E0B782'), (40, x'E0B69AE0B78A'), (101, x'E0B78AE2808DE0B6BB'), (35, x'E0B69AE0B79A'), (1, x'E0B7B4'), (9, x'E0B68C'), (96, x'E0B79C'), (6, x'E0B689'), (95, x'E0B79B'), (88, x'E0B796'), (64, x'E0B6B3'), (26, x'E0B69AE0B792'), (82, x'E0B78F'), (28, x'E0B69AE0B794'), (39, x'E0B69AE0B79E'), (97, x'E0B79D'), (2, x'E0B685'), (75, x'E0B780'), (34, x'E0B69AE0B799'), (69, x'E0B6B8'), (83, x'E0B790'), (18, x'E0B695'), (90, x'E0B7B2'), (17, x'E0B694'), (72, x'E0B6BB'), (66, x'E0B6B5'), (59, x'E0B6AD'), (44, x'E0B69E'), (15, x'E0B692'), (23, x'E0B69AE0B78F'), (65, x'E0B6B4'), (42, x'E0B69C'), (63, x'E0B6B1'), (85, x'E0B792'), (47, x'E0B6A1'), (49, x'E0B6A3'), (92, x'E0B7B3'), (78, x'E0B783'), (36, x'E0B69AE0B79B'), (4, x'E0B687'), (24, x'E0B69AE0B790'), (87, x'E0B794'), (37, x'E0B69AE0B79C'), (32, x'E0B69AE0B79F'), (29, x'E0B69AE0B796'), (43, x'E0B69D'), (62, x'E0B6B0'), (100, x'E0B78AE2808DE0B6BA'), (60, x'E0B6AE'), (45, x'E0B69F'), (12, x'E0B68F'), (46, x'E0B6A0'), (50, x'E0B6A5'), (51, x'E0B6A4'), (5, x'E0B688'), (76, x'E0B781'), (89, x'E0B798'), (74, x'E0B6BD'), (10, x'E0B68D'), (57, x'E0B6AB'), (71, x'E0B6BA'), (58, x'E0B6AC'), (27, x'E0B69AE0B793'), (54, x'E0B6A8'), (84, x'E0B791'), (31, x'E0B69AE0B7B2'), (98, x'E0B79E'), (53, x'E0B6A7'), (41, x'E0B69B'), (67, x'E0B6B6'), (7, x'E0B68A'), (20, x'E0B682');
SELECT predicted_order, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLATE utf8mb4_sinhala_ci;
predicted_order hex(utf8mb4_encoding)
1 E0B7B4
2 E0B685
3 E0B686
4 E0B687
5 E0B688
6 E0B689
7 E0B68A
8 E0B68B
9 E0B68C
10 E0B68D
11 E0B68E
12 E0B68F
13 E0B690
14 E0B691
15 E0B692
16 E0B693
17 E0B694
18 E0B695
19 E0B696
20 E0B682
21 E0B683
22 E0B69A
23 E0B69AE0B78F
24 E0B69AE0B790
25 E0B69AE0B791
26 E0B69AE0B792
27 E0B69AE0B793
28 E0B69AE0B794
29 E0B69AE0B796
30 E0B69AE0B798
31 E0B69AE0B7B2
32 E0B69AE0B79F
33 E0B69AE0B7B3
34 E0B69AE0B799
35 E0B69AE0B79A
36 E0B69AE0B79B
37 E0B69AE0B79C
38 E0B69AE0B79D
39 E0B69AE0B79E
40 E0B69AE0B78A
41 E0B69B
42 E0B69C
43 E0B69D
44 E0B69E
45 E0B69F
46 E0B6A0
47 E0B6A1
48 E0B6A2
49 E0B6A3
50 E0B6A5
51 E0B6A4
52 E0B6A6
53 E0B6A7
54 E0B6A8
55 E0B6A9
56 E0B6AA
57 E0B6AB
58 E0B6AC
59 E0B6AD
60 E0B6AE
61 E0B6AF
62 E0B6B0
63 E0B6B1
64 E0B6B3
65 E0B6B4
66 E0B6B5
67 E0B6B6
68 E0B6B7
69 E0B6B8
70 E0B6B9
71 E0B6BA
72 E0B6BB
73 E0B6BBE0B78AE2808D
74 E0B6BD
75 E0B780
76 E0B781
77 E0B782
78 E0B783
79 E0B784
80 E0B785
81 E0B786
82 E0B78F
83 E0B790
84 E0B791
85 E0B792
86 E0B793
87 E0B794
88 E0B796
89 E0B798
90 E0B7B2
91 E0B79F
92 E0B7B3
93 E0B799
94 E0B79A
95 E0B79B
96 E0B79C
97 E0B79D
98 E0B79E
99 E0B78A
100 E0B78AE2808DE0B6BA
101 E0B78AE2808DE0B6BB
DROP TABLE t1;
#
# Bug#32914 Character sets: illegal characters in utf8mb4 and utf32 columns
#
create table t1 (utf8mb4 char(1) character set utf8mb4) engine heap;
Testing [F0][90..BF][80..BF][80..BF]
insert into t1 values (0xF0908080);
insert into t1 values (0xF0BFBFBF);
insert into t1 values (0xF08F8080);
Warnings:
Warning 1366 Incorrect string value: '\xF0\x8F\x80\x80' for column 'utf8mb4' at row 1
select hex(utf8mb4) from t1;
hex(utf8mb4)
F0908080
F0BFBFBF
delete from t1;
Testing [F2..F3][80..BF][80..BF][80..BF]
insert into t1 values (0xF2808080);
insert into t1 values (0xF2BFBFBF);
select hex(utf8mb4) from t1;
hex(utf8mb4)
F2808080
F2BFBFBF
delete from t1;
Testing [F4][80..8F][80..BF][80..BF]
insert into t1 values (0xF4808080);
insert into t1 values (0xF48F8080);
insert into t1 values (0xF4908080);
Warnings:
Warning 1366 Incorrect string value: '\xF4\x90\x80\x80' for column 'utf8mb4' at row 1
select hex(utf8mb4) from t1;
hex(utf8mb4)
F4808080
F48F8080
drop table t1;
#
# Check strnxfrm() with odd length
#
set max_sort_length=5;
select @@max_sort_length;
@@max_sort_length
5
create table t1 (a varchar(128) character set utf8mb4 collate utf8mb4_general_ci) engine heap;
insert into t1 values ('a'),('b'),('c');
select * from t1 order by a;
a
a
b
c
alter table t1 modify a varchar(128) character set utf8mb4 collate utf8mb4_bin;
select * from t1 order by a;
a
a
b
c
drop table t1;
set max_sort_length=default;
#
# Bug#26180: Can't add columns to tables created with utf8mb4 text indexes
#
#
# Testing 4-byte values.
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE heap;
INSERT INTO t1 VALUES (119040, x'f09d8480'),
# G CLEF
(119070, x'f09d849e'),
# HALF NOTE
(119134, x'f09d859e'),
# MUSICAL SYMBOL CROIX
(119247, x'f09d878f'),
# MATHEMATICAL BOLD ITALIC CAPITAL DELTA
(120607, x'f09d9c9f'),
# SANS-SERIF BOLD ITALIC CAPITAL PI
(120735, x'f09d9e9f'),
# <Plane 16 Private Use, Last> (last 4 byte character)
(1114111, x'f48fbfbf'),
# VARIATION SELECTOR-256
(917999, x'f3a087af');
INSERT INTO t1 VALUES (119070, x'f09d849ef09d859ef09d859ef09d8480f09d859ff09d859ff09d859ff09d85a0f09d85a0f09d8480');
INSERT INTO t1 VALUES (65131, x'efb9abf09d849ef09d859ef09d859ef09d8480f09d859fefb9abefb9abf09d85a0efb9ab');
INSERT INTO t1 VALUES (119070, x'f09d849ef09d859ef09d859ef09d8480f09d859ff09d859ff09d859ff09d85a0f09d85a0f09d8480f09d85a0');
Warnings:
Warning 1265 Data truncated for column 'utf8mb4_encoding' at row 1
SELECT u_decimal, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLATE utf8mb4_general_ci, BINARY utf8mb4_encoding;
u_decimal hex(utf8mb4_encoding)
1114111 F48FBFBF
119040 F09D8480
119070 F09D849E
119070 F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
119070 F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
119134 F09D859E
119247 F09D878F
120607 F09D9C9F
120735 F09D9E9F
65131 EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9AB
917999 F3A087AF
INSERT INTO t1 VALUES (1114111, x'f5808080');
Warnings:
Warning 1366 Incorrect string value: '\xF5\x80\x80\x80' for column 'utf8mb4_encoding' at row 1
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't1' AND column_name= 'utf8mb4_encoding';
character_maximum_length character_octet_length
10 40
DROP TABLE IF EXISTS t2;
CREATE TABLE t2 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb3 ENGINE heap;
INSERT INTO t2 VALUES (42856, x'ea9da8');
INSERT INTO t2 VALUES (65131, x'efb9ab');
INSERT INTO t2 VALUES (1114111, x'f48fbfbf');
Warnings:
Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBF' for column 'utf8mb3_encoding' at row 1
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't2' AND column_name= 'utf8mb3_encoding';
character_maximum_length character_octet_length
10 30
UPDATE t2 SET utf8mb3_encoding= x'f48fbfbd' where u_decimal= 42856;
Warnings:
Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBD' for column 'utf8mb3_encoding' at row 1
UPDATE t2 SET utf8mb3_encoding= _utf8mb4 x'ea9da8' where u_decimal= 42856;
SELECT HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8')) FROM t1;
HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8'))
EA9DA8
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEA9DA8
F09D8480EA9DA8
F09D849EEA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D859EEA9DA8
F09D878FEA9DA8
F09D9C9FEA9DA8
F09D9E9FEA9DA8
F3A087AFEA9DA8
F48FBFBFEA9DA8
SELECT HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding)) FROM t1,t2;
HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding))
EA9DA8
EFB9AB
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9AB
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEA9DA8
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEFB9AB
F09D8480
F09D8480EA9DA8
F09D8480EFB9AB
F09D849E
F09D849EEA9DA8
F09D849EEFB9AB
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EFB9AB
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EFB9AB
F09D859E
F09D859EEA9DA8
F09D859EEFB9AB
F09D878F
F09D878FEA9DA8
F09D878FEFB9AB
F09D9C9F
F09D9C9FEA9DA8
F09D9C9FEFB9AB
F09D9E9F
F09D9E9FEA9DA8
F09D9E9FEFB9AB
F3A087AF
F3A087AFEA9DA8
F3A087AFEFB9AB
F48FBFBF
F48FBFBFEA9DA8
F48FBFBFEFB9AB
SELECT count(*) FROM t1, t2
WHERE t1.utf8mb4_encoding > t2.utf8mb3_encoding;
count(*)
33
ALTER TABLE t1 CONVERT TO CHARACTER SET utf8;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) NOT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding),utf8mb4_encoding FROM t1;
u_decimal hex(utf8mb4_encoding) utf8mb4_encoding
1114111
1114111 3F ?
119040 3F ?
119070 3F ?
119070 3F3F3F3F3F3F3F3F3F3F ??????????
119070 3F3F3F3F3F3F3F3F3F3F ??????????
119134 3F ?
119247 3F ?
120607 3F ?
120735 3F ?
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB ﹫?????﹫﹫?﹫
917999 3F ?
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) NOT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8mb4
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb3;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) NOT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb3;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
u_decimal hex(utf8mb4_encoding)
1114111
1114111 3F
119040 3F
119070 3F
119070 3F3F3F3F3F3F3F3F3F3F
119070 3F3F3F3F3F3F3F3F3F3F
119134 3F
119247 3F
120607 3F
120735 3F
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB
917999 3F
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
u_decimal hex(utf8mb4_encoding)
1114111
1114111 3F
119040 3F
119070 3F
119070 3F3F3F3F3F3F3F3F3F3F
119070 3F3F3F3F3F3F3F3F3F3F
119134 3F
119247 3F
120607 3F
120735 3F
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB
917999 3F
ALTER TABLE t2 MODIFY utf8mb3_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MEMORY DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
DROP TABLE IF EXISTS t3;
CREATE TABLE t3 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8 ENGINE heap;
INSERT INTO t3 SELECT * FROM t1;
DROP TABLE IF EXISTS t4;
CREATE TABLE t4 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE heap;
INSERT INTO t3 SELECT * FROM t2;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
#
# Testing that mixing utf8 and utf8mb4 collations returns utf8mb4
#
SELECT CHARSET(CONCAT(_utf8mb4'a',_utf8'b'));
CHARSET(CONCAT(_utf8mb4'a',_utf8'b'))
utf8mb4
CREATE TABLE t1 (utf8mb4 VARCHAR(10) CHARACTER SET utf8mb4 NOT NULL) ENGINE heap;
INSERT INTO t1 VALUES (x'ea9da8'),(x'f48fbfbf');
SELECT CONCAT(utf8mb4, _utf8 x'ea9da8') FROM t1 LIMIT 0;
CONCAT(utf8mb4, _utf8 x'ea9da8')
CREATE TABLE t2 (utf8mb3 VARCHAR(10) CHARACTER SET utf8mb3 NOT NULL) ENGINE heap;
INSERT INTO t2 VALUES (x'ea9da8');
SELECT HEX(CONCAT(utf8mb4, utf8mb3)) FROM t1,t2 ORDER BY 1;
HEX(CONCAT(utf8mb4, utf8mb3))
EA9DA8EA9DA8
F48FBFBFEA9DA8
SELECT CHARSET(CONCAT(utf8mb4, utf8mb3)) FROM t1, t2 LIMIT 1;
CHARSET(CONCAT(utf8mb4, utf8mb3))
utf8mb4
CREATE TEMPORARY TABLE t3 ENGINE heap AS SELECT *, concat(utf8mb4,utf8mb3) FROM t1, t2;
SHOW CREATE TABLE t3;
Table Create Table
t3 CREATE TEMPORARY TABLE `t3` (
`utf8mb4` varchar(10) CHARACTER SET utf8mb4 NOT NULL,
`utf8mb3` varchar(10) CHARACTER SET utf8 NOT NULL,
`concat(utf8mb4,utf8mb3)` varchar(20) CHARACTER SET utf8mb4 NOT NULL DEFAULT ''
) ENGINE=MEMORY DEFAULT CHARSET=latin1
DROP TEMPORARY TABLE t3;
SELECT * FROM t1, t2 WHERE t1.utf8mb4 > t2.utf8mb3;
utf8mb4 utf8mb3
􏿿 Ꝩ
SELECT * FROM t1, t2 WHERE t1.utf8mb4 = t2.utf8mb3;
utf8mb4 utf8mb3
Ꝩ Ꝩ
SELECT * FROM t1, t2 WHERE t1.utf8mb4 < t2.utf8mb3;
utf8mb4 utf8mb3
DROP TABLE t1;
DROP TABLE t2;
#
# Check that mixing utf8mb4 with an invalid utf8 constant returns error
#
CREATE TABLE t1 (utf8mb4 VARCHAR(10) CHARACTER SET utf8mb4) ENGINE heap;
INSERT INTO t1 VALUES (x'f48fbfbf');
SELECT CONCAT(utf8mb4, _utf8 '') FROM t1;
ERROR HY000: Illegal mix of collations (utf8mb4_general_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'concat'
SELECT CONCAT('a', _utf8 '') FROM t1;
ERROR HY000: Illegal mix of collations (utf8mb4_general_ci,COERCIBLE) and (utf8_general_ci,COERCIBLE) for operation 'concat'
DROP TABLE t1;
#
# End of 5.5 tests
#
#
# End of tests
#
drop table if exists t1,t2;
#
# Start of 5.5 tests
#
set names utf8mb4;
select left(_utf8mb4 0xD0B0D0B1D0B2,1);
left(_utf8mb4 0xD0B0D0B1D0B2,1)
а
select right(_utf8mb4 0xD0B0D0B2D0B2,1);
right(_utf8mb4 0xD0B0D0B2D0B2,1)
в
select locate('he','hello');
locate('he','hello')
1
select locate('he','hello',2);
locate('he','hello',2)
0
select locate('lo','hello',2);
locate('lo','hello',2)
4
select locate('HE','hello');
locate('HE','hello')
1
select locate('HE','hello',2);
locate('HE','hello',2)
0
select locate('LO','hello',2);
locate('LO','hello',2)
4
select locate('HE','hello' collate utf8mb4_bin);
locate('HE','hello' collate utf8mb4_bin)
0
select locate('HE','hello' collate utf8mb4_bin,2);
locate('HE','hello' collate utf8mb4_bin,2)
0
select locate('LO','hello' collate utf8mb4_bin,2);
locate('LO','hello' collate utf8mb4_bin,2)
0
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D0B1D0B2);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D0B1D0B2)
2
select locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2);
locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2)
2
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2)
2
select locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2 collate utf8mb4_bin);
locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2 collate utf8mb4_bin)
0
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2 collate utf8mb4_bin);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2 collate utf8mb4_bin)
0
select length(_utf8mb4 0xD0B1), bit_length(_utf8mb4 0xD0B1), char_length(_utf8mb4 0xD0B1);
length(_utf8mb4 0xD0B1) bit_length(_utf8mb4 0xD0B1) char_length(_utf8mb4 0xD0B1)
2 16 1
select 'a' like 'a';
'a' like 'a'
1
select 'A' like 'a';
'A' like 'a'
1
select 'A' like 'a' collate utf8mb4_bin;
'A' like 'a' collate utf8mb4_bin
0
select _utf8mb4 0xD0B0D0B1D0B2 like concat(_utf8mb4'%',_utf8mb4 0xD0B1,_utf8mb4 '%');
_utf8mb4 0xD0B0D0B1D0B2 like concat(_utf8mb4'%',_utf8mb4 0xD0B1,_utf8mb4 '%')
1
select convert(_latin1'Gnter Andr' using utf8mb4) like CONVERT(_latin1'GNTER%' USING utf8mb4);
convert(_latin1'G?nter Andr?' using utf8mb4) like CONVERT(_latin1'G?NTER%' USING utf8mb4)
1
select CONVERT(_koi8r'' USING utf8mb4) LIKE CONVERT(_koi8r'' USING utf8mb4);
CONVERT(_koi8r'????' USING utf8mb4) LIKE CONVERT(_koi8r'????' USING utf8mb4)
1
select CONVERT(_koi8r'' USING utf8mb4) LIKE CONVERT(_koi8r'' USING utf8mb4);
CONVERT(_koi8r'????' USING utf8mb4) LIKE CONVERT(_koi8r'????' USING utf8mb4)
1
SELECT 'a' = 'a ';
'a' = 'a '
1
SELECT 'a\0' < 'a';
'a\0' < 'a'
1
SELECT 'a\0' < 'a ';
'a\0' < 'a '
1
SELECT 'a\t' < 'a';
'a\t' < 'a'
1
SELECT 'a\t' < 'a ';
'a\t' < 'a '
1
SELECT 'a' = 'a ' collate utf8mb4_bin;
'a' = 'a ' collate utf8mb4_bin
1
SELECT 'a\0' < 'a' collate utf8mb4_bin;
'a\0' < 'a' collate utf8mb4_bin
1
SELECT 'a\0' < 'a ' collate utf8mb4_bin;
'a\0' < 'a ' collate utf8mb4_bin
1
SELECT 'a\t' < 'a' collate utf8mb4_bin;
'a\t' < 'a' collate utf8mb4_bin
1
SELECT 'a\t' < 'a ' collate utf8mb4_bin;
'a\t' < 'a ' collate utf8mb4_bin
1
CREATE TABLE t1 (a char(10) character set utf8mb4 not null) ENGINE InnoDB;
INSERT INTO t1 VALUES ('a'),('a\0'),('a\t'),('a ');
SELECT hex(a),STRCMP(a,'a'), STRCMP(a,'a ') FROM t1;
hex(a) STRCMP(a,'a') STRCMP(a,'a ')
61 0 0
61 0 0
6100 -1 -1
6109 -1 -1
DROP TABLE t1;
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
this is a test
select insert("aa",100,1,"b"),insert("aa",1,3,"b");
insert("aa",100,1,"b") insert("aa",1,3,"b")
aa b
select char_length(left(@a:='тест',5)), length(@a), @a;
char_length(left(@a:='тест',5)) length(@a) @a
4 8 тест
create table t1 ENGINE InnoDB select date_format("2004-01-19 10:10:10", "%Y-%m-%d");
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`date_format("2004-01-19 10:10:10", "%Y-%m-%d")` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
select * from t1;
date_format("2004-01-19 10:10:10", "%Y-%m-%d")
2004-01-19
drop table t1;
set names utf8mb4;
set LC_TIME_NAMES='fr_FR';
create table t1 (s1 char(20) character set latin1) engine InnoDB;
insert into t1 values (date_format('2004-02-02','%M'));
select hex(s1) from t1;
hex(s1)
66E97672696572
drop table t1;
create table t1 (s1 char(20) character set koi8r) engine InnoDB;
set LC_TIME_NAMES='ru_RU';
insert into t1 values (date_format('2004-02-02','%M'));
insert into t1 values (date_format('2004-02-02','%b'));
insert into t1 values (date_format('2004-02-02','%W'));
insert into t1 values (date_format('2004-02-02','%a'));
select hex(s1), s1 from t1;
hex(s1) s1
E6C5D7 Фев
E6C5D7D2C1CCD1 Февраля
F0CEC4 Пнд
F0CFCEC5C4C5CCD8CEC9CB Понедельник
drop table t1;
set LC_TIME_NAMES='en_US';
set names koi8r;
create table t1 (s1 char(1) character set utf8mb4) engine InnoDB;
insert into t1 values (_koi8r'');
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select s1,hex(s1),char_length(s1),octet_length(s1) from t1;
s1 hex(s1) char_length(s1) octet_length(s1)
D0B0 1 2
drop table t1;
create table t1 (s1 tinytext character set utf8mb4) engine InnoDB;
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161
61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F
D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61
D18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18F
D18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18F
select length(s1),char_length(s1) from t1;
length(s1) char_length(s1)
254 127
254 127
255 170
255 170
255 255
drop table t1;
create table t1 (s1 text character set utf8mb4) engine InnoDB;
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select length(s1),char_length(s1) from t1;
length(s1) char_length(s1)
65534 32767
65534 32767
65535 43690
65535 43690
65535 65535
drop table t1;
create table t1 (s1 char(10) character set utf8mb4) engine InnoDB;
insert into t1 values (0x41FF);
Warnings:
Warning 1366 Incorrect string value: '\xFF' for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
41
drop table t1;
create table t1 (s1 varchar(10) character set utf8mb4) engine InnoDB;
insert into t1 values (0x41FF);
Warnings:
Warning 1366 Incorrect string value: '\xFF' for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
41
drop table t1;
create table t1 (s1 text character set utf8mb4) engine InnoDB;
insert into t1 values (0x41FF);
Warnings:
Warning 1366 Incorrect string value: '\xFF' for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
41
drop table t1;
create table t1 (a text character set utf8mb4, primary key(a(371))) engine InnoDB;
ERROR 42000: Specified key was too long; max key length is 767 bytes
CREATE TABLE t1 ( a varchar(10) ) CHARACTER SET utf8mb4 ENGINE InnoDB;
INSERT INTO t1 VALUES ( 'test' );
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = b.a;
a a
test test
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = 'test' and b.a = 'test';
a a
test test
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = b.a and a.a = 'test';
a a
test test
DROP TABLE t1;
create table t1 (a char(255) character set utf8mb4) engine InnoDB;
insert into t1 values('b'),('b');
select * from t1 where a = 'b';
a
b
b
select * from t1 where a = 'b' and a = 'b';
a
b
b
select * from t1 where a = 'b' and a != 'b';
a
drop table t1;
set collation_connection=utf8mb4_general_ci;
drop table if exists t1;
create table t1 as
select repeat(' ', 64) as s1, repeat(' ',64) as s2
union
select null, null;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`s1` varchar(64) CHARACTER SET utf8mb4 DEFAULT NULL,
`s2` varchar(64) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
delete from t1;
insert into t1 values('aaa','aaa');
insert into t1 values('aaa|qqq','qqq');
insert into t1 values('gheis','^[^a-dXYZ]+$');
insert into t1 values('aab','^aa?b');
insert into t1 values('Baaan','^Ba*n');
insert into t1 values('aaa','qqq|aaa');
insert into t1 values('qqq','qqq|aaa');
insert into t1 values('bbb','qqq|aaa');
insert into t1 values('bbb','qqq');
insert into t1 values('aaa','aba');
insert into t1 values(null,'abc');
insert into t1 values('def',null);
insert into t1 values(null,null);
insert into t1 values('ghi','ghi[');
select HIGH_PRIORITY s1 regexp s2 from t1;
s1 regexp s2
1
1
1
1
1
1
1
0
0
0
NULL
NULL
NULL
NULL
drop table t1;
set names utf8mb4;
set names utf8mb4;
select 'вася' rlike '[[:<:]]вася[[:>:]]';
'вася' rlike '[[:<:]]вася[[:>:]]'
1
select 'вася ' rlike '[[:<:]]вася[[:>:]]';
'вася ' rlike '[[:<:]]вася[[:>:]]'
1
select ' вася' rlike '[[:<:]]вася[[:>:]]';
' вася' rlike '[[:<:]]вася[[:>:]]'
1
select ' вася ' rlike '[[:<:]]вася[[:>:]]';
' вася ' rlike '[[:<:]]вася[[:>:]]'
1
select 'васяz' rlike '[[:<:]]вася[[:>:]]';
'васяz' rlike '[[:<:]]вася[[:>:]]'
0
select 'zвася' rlike '[[:<:]]вася[[:>:]]';
'zвася' rlike '[[:<:]]вася[[:>:]]'
0
select 'zвасяz' rlike '[[:<:]]вася[[:>:]]';
'zвасяz' rlike '[[:<:]]вася[[:>:]]'
0
CREATE TABLE t1 (a enum ('Y', 'N') DEFAULT 'N' COLLATE utf8mb4_unicode_ci) ENGINE InnoDB;
ALTER TABLE t1 ADD COLUMN b CHAR(20);
DROP TABLE t1;
set names utf8mb4;
create table t1 (a enum('aaaa','проба') character set utf8mb4) engine InnoDB;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` enum('aaaa','проба') CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
insert into t1 values ('проба');
select * from t1;
a
проба
create table t2 engine InnoDB select ifnull(a,a) from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`ifnull(a,a)` varchar(5) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=latin1
select * from t2;
ifnull(a,a)
проба
drop table t1;
drop table t2;
create table t1 (c varchar(30) character set utf8mb4, unique(c(10))) engine InnoDB;
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
insert into t1 values ('aaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values ('aaaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
c1
1
select c c2 from t1 where c='2';
c2
2
select c c3 from t1 where c='3';
c3
3
select c cx from t1 where c='x';
cx
x
select c cy from t1 where c='y';
cy
y
select c cz from t1 where c='z';
cz
z
select c ca10 from t1 where c='aaaaaaaaaa';
ca10
aaaaaaaaaa
select c cb20 from t1 where c=repeat('b',20);
cb20
bbbbbbbbbbbbbbbbbbbb
drop table t1;
create table t1 (c varchar(30) character set utf8mb4, unique(c(10))) engine=InnoDB;
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
insert into t1 values ('aaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values ('aaaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
c1
1
select c c2 from t1 where c='2';
c2
2
select c c3 from t1 where c='3';
c3
3
select c cx from t1 where c='x';
cx
x
select c cy from t1 where c='y';
cy
y
select c cz from t1 where c='z';
cz
z
select c ca10 from t1 where c='aaaaaaaaaa';
ca10
aaaaaaaaaa
select c cb20 from t1 where c=repeat('b',20);
cb20
bbbbbbbbbbbbbbbbbbbb
drop table t1;
create table t1 (c char(3) character set utf8mb4, unique (c(2))) engine InnoDB;
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'aa' for key 'c'
insert into t1 values ('b');
insert into t1 values ('bb');
insert into t1 values ('bbb');
ERROR 23000: Duplicate entry 'bb' for key 'c'
insert into t1 values ('а');
insert into t1 values ('аа');
insert into t1 values ('ааа');
ERROR 23000: Duplicate entry 'аа' for key 'c'
insert into t1 values ('б');
insert into t1 values ('бб');
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'бб' for key 'c'
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
insert into t1 values ('ꪪꪪꪪ');
ERROR 23000: Duplicate entry 'ꪪꪪ' for key 'c'
drop table t1;
create table t1 (c char(3) character set utf8mb4, unique (c(2))) engine=InnoDB;
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'aa' for key 'c'
insert into t1 values ('b');
insert into t1 values ('bb');
insert into t1 values ('bbb');
ERROR 23000: Duplicate entry 'bb' for key 'c'
insert into t1 values ('а');
insert into t1 values ('аа');
insert into t1 values ('ааа');
ERROR 23000: Duplicate entry 'аа' for key 'c'
insert into t1 values ('б');
insert into t1 values ('бб');
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'бб' for key 'c'
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
insert into t1 values ('ꪪꪪꪪ');
ERROR 23000: Duplicate entry 'ꪪꪪ' for key 'c'
drop table t1;
create table t1 (
c char(10) character set utf8mb4,
unique key a using hash (c(1))
) engine=InnoDB;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING HASH
) ENGINE=InnoDB DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4,
unique key a using btree (c(1))
) engine=InnoDB;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4,
unique key a (c(1))
) engine=InnoDB;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (c varchar(30) character set utf8mb4 collate utf8mb4_bin, unique(c(10))) engine InnoDB;
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
insert into t1 values ('aaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values ('aaaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
c1
1
select c c2 from t1 where c='2';
c2
2
select c c3 from t1 where c='3';
c3
3
select c cx from t1 where c='x';
cx
x
select c cy from t1 where c='y';
cy
y
select c cz from t1 where c='z';
cz
z
select c ca10 from t1 where c='aaaaaaaaaa';
ca10
aaaaaaaaaa
select c cb20 from t1 where c=repeat('b',20);
cb20
bbbbbbbbbbbbbbbbbbbb
drop table t1;
create table t1 (c char(3) character set utf8mb4 collate utf8mb4_bin, unique (c(2))) engine InnoDB;
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'aa' for key 'c'
insert into t1 values ('b');
insert into t1 values ('bb');
insert into t1 values ('bbb');
ERROR 23000: Duplicate entry 'bb' for key 'c'
insert into t1 values ('а');
insert into t1 values ('аа');
insert into t1 values ('ааа');
ERROR 23000: Duplicate entry 'аа' for key 'c'
insert into t1 values ('б');
insert into t1 values ('бб');
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'бб' for key 'c'
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
insert into t1 values ('ꪪꪪꪪ');
ERROR 23000: Duplicate entry 'ꪪꪪ' for key 'c'
drop table t1;
create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a using hash (c(1))
) engine=InnoDB;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING HASH
) ENGINE=InnoDB DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a using btree (c(1))
) engine=InnoDB;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING BTREE
) ENGINE=InnoDB DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a (c(1))
) engine=InnoDB;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine=InnoDB;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine=InnoDB;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str using btree (str(2))
) engine=InnoDB;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str using hash (str(2))
) engine=InnoDB;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine= InnoDB;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
CREATE TABLE t1 (a varchar(32) BINARY) CHARACTER SET utf8mb4 ENGINE InnoDB;
INSERT INTO t1 VALUES ('test');
SELECT a FROM t1 WHERE a LIKE '%te';
a
DROP TABLE t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (
subject varchar(255) character set utf8mb4 collate utf8mb4_unicode_ci,
p varchar(15) character set utf8mb4
) ENGINE= InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('谷川俊二と申しますが、インターネット予約の会員登録をしましたところ、メールアドレスを間違えてしまい会員IDが受け取ることが出来ませんでした。間違えアドレスはtani-shun@n.vodafone.ne.jpを書き込みました。どうすればよいですか? その他、住所等は間違えありません。連絡ください。よろしくお願いします。m(__)m','040312-000057');
INSERT INTO t1 VALUES ('aaa','bbb');
SELECT length(subject) FROM t1;
length(subject)
3
432
SELECT length(subject) FROM t1 ORDER BY 1;
length(subject)
3
432
DROP TABLE t1;
CREATE TABLE t1 (
id int unsigned NOT NULL auto_increment,
list_id smallint unsigned NOT NULL,
term TEXT NOT NULL,
PRIMARY KEY(id),
INDEX(list_id, term(4))
) ENGINE=InnoDB CHARSET=utf8mb4;
INSERT INTO t1 SET list_id = 1, term = "letterc";
INSERT INTO t1 SET list_id = 1, term = "letterb";
INSERT INTO t1 SET list_id = 1, term = "lettera";
INSERT INTO t1 SET list_id = 1, term = "letterd";
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterc");
id
1
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterb");
id
2
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "lettera");
id
3
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterd");
id
4
DROP TABLE t1;
SET NAMES latin1;
CREATE TABLE t1 (
id int unsigned NOT NULL auto_increment,
list_id smallint unsigned NOT NULL,
term text NOT NULL,
PRIMARY KEY(id),
INDEX(list_id, term(19))
) ENGINE=InnoDB CHARSET=utf8mb4;
INSERT INTO t1 set list_id = 1, term = "testtest";
INSERT INTO t1 set list_id = 1, term = "testetest";
INSERT INTO t1 set list_id = 1, term = "testtest";
SELECT id, term FROM t1 where (list_id = 1) AND (term = "testtest");
id term
1 testtest
2 testetest
3 testtest
SELECT id, term FROM t1 where (list_id = 1) AND (term = "testetest");
id term
1 testtest
2 testetest
3 testtest
SELECT id, term FROM t1 where (list_id = 1) AND (term = "testtest");
id term
1 testtest
2 testetest
3 testtest
DROP TABLE t1;
set names utf8mb4;
create table t1 (
a int primary key,
b varchar(6),
index b3(b(3))
) engine=InnoDB character set=utf8mb4;
insert into t1 values(1,'foo'),(2,'foobar');
select * from t1 where b like 'foob%';
a b
2 foobar
alter table t1 engine=innodb;
select * from t1 where b like 'foob%';
a b
2 foobar
drop table t1;
create table t1 (
a enum('петя','вася','анюта') character set utf8mb4 not null default 'анюта',
b set('петя','вася','анюта') character set utf8mb4 not null default 'анюта'
) engine InnoDB;
create table t2 engine InnoDB select concat(a,_utf8mb4'') as a, concat(b,_utf8mb4'')as b from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` varchar(5) CHARACTER SET utf8mb4 NOT NULL DEFAULT '',
`b` varchar(15) CHARACTER SET utf8mb4 NOT NULL DEFAULT ''
) ENGINE=InnoDB DEFAULT CHARSET=latin1
drop table t2;
drop table t1;
select 'c' like '\_' as want0;
want0
0
SELECT SUBSTR('вася',-2);
SUBSTR('вася',-2)
ся
create table t1 (id integer, a varchar(100) character set utf8mb4 collate utf8mb4_unicode_ci) engine InnoDB;
insert into t1 values (1, 'Test');
select * from t1 where soundex(a) = soundex('Test');
id a
1 Test
select * from t1 where soundex(a) = soundex('TEST');
id a
1 Test
select * from t1 where soundex(a) = soundex('test');
id a
1 Test
drop table t1;
select soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB);
soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB)
阅000
select hex(soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB));
hex(soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB))
E99885303030
select soundex(_utf8mb4 0xD091D092D093);
soundex(_utf8mb4 0xD091D092D093)
Б000
select hex(soundex(_utf8mb4 0xD091D092D093));
hex(soundex(_utf8mb4 0xD091D092D093))
D091303030
SET collation_connection='utf8mb4_general_ci';
create table t1 select repeat('a',4000) a;
delete from t1;
insert into t1 values ('a'), ('a '), ('a\t');
select collation(a),hex(a) from t1 order by a;
collation(a) hex(a)
utf8mb4_general_ci 6109
utf8mb4_general_ci 61
utf8mb4_general_ci 6120
drop table t1;
select @@collation_connection;
@@collation_connection
utf8mb4_general_ci
create table t1 ROW_FORMAT=DYNAMIC select repeat('a',50) as c1 ;
insert into t1 values('abcdef');
insert into t1 values('_bcdef');
insert into t1 values('a_cdef');
insert into t1 values('ab_def');
insert into t1 values('abc_ef');
insert into t1 values('abcd_f');
insert into t1 values('abcde_');
select c1 as c1u from t1 where c1 like 'ab\_def';
c1u
ab_def
select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
c2h
ab_def
drop table t1;
drop table if exists t1;
create table t1 as select repeat(' ', 64) as s1;
select collation(s1) from t1;
collation(s1)
utf8mb4_general_ci
delete from t1;
insert into t1 values ('a'),('ae'),(_latin1 0xE4);
insert into t1 values ('o'),('oe'),(_latin1 0xF6);
insert into t1 values ('s'),('ss'),(_latin1 0xDF);
insert into t1 values ('u'),('ue'),(_latin1 0xFC);
select s1, hex(s1) from t1 order by s1, binary s1;
s1 hex(s1)
a 61
ä C3A4
ae 6165
o 6F
ö C3B6
oe 6F65
s 73
ß C39F
ss 7373
u 75
ü C3BC
ue 7565
select group_concat(s1 order by binary s1) from t1 group by s1;
group_concat(s1 order by binary s1)
a,ä
ae
o,ö
oe
s,ß
ss
u,ü
ue
drop table t1;
SET collation_connection='utf8mb4_bin';
create table t1 select repeat('a',4000) a;
delete from t1;
insert into t1 values ('a'), ('a '), ('a\t');
select collation(a),hex(a) from t1 order by a;
collation(a) hex(a)
utf8mb4_bin 6109
utf8mb4_bin 61
utf8mb4_bin 6120
drop table t1;
select @@collation_connection;
@@collation_connection
utf8mb4_bin
create table t1 ROW_FORMAT=DYNAMIC select repeat('a',50) as c1 ;
insert into t1 values('abcdef');
insert into t1 values('_bcdef');
insert into t1 values('a_cdef');
insert into t1 values('ab_def');
insert into t1 values('abc_ef');
insert into t1 values('abcd_f');
insert into t1 values('abcde_');
select c1 as c1u from t1 where c1 like 'ab\_def';
c1u
ab_def
select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
c2h
ab_def
drop table t1;
CREATE TABLE t1 (
user varchar(255) NOT NULL default ''
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('one'),('two');
SELECT CHARSET('a');
CHARSET('a')
utf8mb4
SELECT user, CONCAT('<', user, '>') AS c FROM t1;
user c
one <one>
two <two>
DROP TABLE t1;
create table t1 (f1 varchar(1) not null) default charset utf8mb4 engine InnoDB;
insert into t1 values (''), ('');
select concat(concat(_latin1'->',f1),_latin1'<-') from t1;
concat(concat(_latin1'->',f1),_latin1'<-')
-><-
-><-
drop table t1;
select convert(_koi8r'' using utf8mb4) < convert(_koi8r'' using utf8mb4);
convert(_koi8r'?' using utf8mb4) < convert(_koi8r'?' using utf8mb4)
1
set names latin1;
create table t1 (a varchar(10)) character set utf8mb4 engine InnoDB;
insert into t1 values ('test');
select ifnull(a,'') from t1;
ifnull(a,'')
test
drop table t1;
select repeat(_utf8mb4'+',3) as h union select NULL;
h
+++
NULL
select ifnull(NULL, _utf8mb4'string');
ifnull(NULL, _utf8mb4'string')
string
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_lithuanian_ci) engine InnoDB;
insert into t1 values ('I'),('K'),('Y');
select * from t1 where s1 < 'K' and s1 = 'Y';
s1
I
Y
select * from t1 where 'K' > s1 and s1 = 'Y';
s1
I
Y
drop table t1;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_czech_ci) engine InnoDB;
insert into t1 values ('c'),('d'),('h'),('ch'),('CH'),('cH'),('Ch'),('i');
select * from t1 where s1 > 'd' and s1 = 'CH';
s1
CH
Ch
ch
select * from t1 where 'd' < s1 and s1 = 'CH';
s1
CH
Ch
ch
select * from t1 where s1 = 'cH' and s1 <> 'ch';
s1
cH
select * from t1 where 'cH' = s1 and s1 <> 'ch';
s1
cH
drop table t1;
create table t1 (a varchar(255)) default character set utf8mb4 engine InnoDB;
insert into t1 values (1.0);
drop table t1;
create table t1 (
id int not null,
city varchar(20) not null,
key (city(7),id)
) character set=utf8mb4 engine InnoDB;
insert into t1 values (1,'Durban North');
insert into t1 values (2,'Durban');
select * from t1 where city = 'Durban';
id city
2 Durban
select * from t1 where city = 'Durban ';
id city
2 Durban
drop table t1;
create table t1 (x set('A', 'B') default 0) character set utf8mb4 engine InnoDB;
ERROR 42000: Invalid default value for 'x'
create table t1 (x enum('A', 'B') default 0) character set utf8mb4 engine InnoDB;
ERROR 42000: Invalid default value for 'x'
SET NAMES UTF8;
CREATE TABLE t1 (
`id` int(20) NOT NULL auto_increment,
`country` varchar(100) NOT NULL default '',
`shortcode` varchar(100) NOT NULL default '',
`operator` varchar(100) NOT NULL default '',
`momid` varchar(30) NOT NULL default '',
`keyword` varchar(160) NOT NULL default '',
`content` varchar(160) NOT NULL default '',
`second_token` varchar(160) default NULL,
`gateway_id` int(11) NOT NULL default '0',
`created` datetime NOT NULL default '0000-00-00 00:00:00',
`msisdn` varchar(15) NOT NULL default '',
PRIMARY KEY (`id`),
UNIQUE KEY `MSCCSPK_20030521130957121` (`momid`),
KEY `IX_mobile_originated_message_keyword` (`keyword`),
KEY `IX_mobile_originated_message_created` (`created`),
KEY `IX_mobile_originated_message_support` (`msisdn`,`momid`,`keyword`,`gateway_id`,`created`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
INSERT INTO t1 VALUES
(1,'blah','464','aaa','fkc1c9ilc20x0hgae7lx6j09','ERR','ERR Имри.Афимим.Аеимимримдмримрмрирор имримримримр имридм ирбднримрфмририримрфмфмим.Ад.Д имдимримрад.Адимримримрмдиримримримр м.Дадимфшьмримд им.Адимимрн имадми','ИМРИ.АФИМИМ.АЕИМИМРИМДМРИМРМРИРОР',3,'2005-06-01 17:30:43','1234567890'),
(2,'blah','464','aaa','haxpl2ilc20x00bj4tt2m5ti','11','11 g','G',3,'2005-06-02 22:43:10','1234567890');
CREATE TABLE t2 (
`msisdn` varchar(15) NOT NULL default '',
`operator_id` int(11) NOT NULL default '0',
`created` datetime NOT NULL default '0000-00-00 00:00:00',
UNIQUE KEY `PK_user` (`msisdn`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
INSERT INTO t2 VALUES ('1234567890',2,'2005-05-24 13:53:25');
SELECT content, t2.msisdn FROM t1, t2 WHERE t1.msisdn = '1234567890';
content msisdn
ERR Имри.Афимим.Аеимимримдмримрмрирор имримримримр имридм ирбднримрфмририримрфмфмим.Ад.Д имдимримрад.Адимримримрмдиримримримр м.Дадимфшьмримд им.Адимимрн имадми 1234567890
11 g 1234567890
DROP TABLE t1,t2;
create table t1 (a char(20) character set utf8mb4) engine InnoDB;
insert into t1 values ('123456'),('андрей');
alter table t1 modify a char(2) character set utf8mb4;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
Warning 1265 Data truncated for column 'a' at row 2
select char_length(a), length(a), a from t1 order by a;
char_length(a) length(a) a
2 2 12
2 4 ан
drop table t1;
set names utf8mb4;
select 'andre%' like 'andreñ%' escape 'ñ';
'andre%' like 'andreñ%' escape 'ñ'
1
set names utf8mb4;
select 'a\\' like 'a\\';
'a\\' like 'a\\'
1
select 'aa\\' like 'a%\\';
'aa\\' like 'a%\\'
1
create table t1 (a char(10), key(a)) character set utf8mb4 engine InnoDB;
insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
select * from t1 where a like "abc%";
a
abc
abcd
select * from t1 where a like concat("abc","%");
a
abc
abcd
select * from t1 where a like "ABC%";
a
abc
abcd
select * from t1 where a like "test%";
a
test
select * from t1 where a like "te_t";
a
test
select * from t1 where a like "%a%";
a
a
abc
abcd
select * from t1 where a like "%abcd%";
a
abcd
select * from t1 where a like "%abc\d%";
a
abcd
drop table t1;
CREATE TABLE t1 (
a varchar(255) NOT NULL default '',
KEY a (a)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE utf8mb4_general_ci;
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
insert into t1 values (_utf8mb4 0xe880bd);
insert into t1 values (_utf8mb4 0x5b);
select hex(a) from t1;
hex(a)
5B
E880BD
drop table t1;
set names 'latin1';
create table t1 (a varchar(255)) default charset=utf8mb4 engine InnoDB;
select * from t1 where find_in_set('-1', a);
a
drop table t1;
create table t1 (a int) engine InnoDB;
insert into t1 values (48),(49),(50);
set names utf8mb4;
select distinct char(a) from t1;
char(a)
0
1
2
drop table t1;
CREATE TABLE t1 (t TINYTEXT CHARACTER SET utf8mb4) ENGINE InnoDB;
INSERT INTO t1 VALUES(REPEAT('a', 100));
CREATE TEMPORARY TABLE t2 ENGINE InnoDB SELECT COALESCE(t) AS bug FROM t1;
SELECT LENGTH(bug) FROM t2;
LENGTH(bug)
100
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 (item varchar(255)) default character set utf8mb4 ENGINE InnoDB;
INSERT INTO t1 VALUES (N'\\');
INSERT INTO t1 VALUES (_utf8mb4'\\');
INSERT INTO t1 VALUES (N'Cote d\'Ivoire');
INSERT INTO t1 VALUES (_utf8mb4'Cote d\'Ivoire');
SELECT item FROM t1 ORDER BY item;
item
Cote d'Ivoire
Cote d'Ivoire
\
\
DROP TABLE t1;
SET NAMES utf8mb4;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 't1'
CREATE TABLE t1(a VARCHAR(255), KEY(a)) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb');
INSERT INTO t1 VALUES('uu');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('uU');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('uu');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('uuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('UuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('uuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
alter table t1 add b int;
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',1);
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',2);
delete from t1 where b=1;
INSERT INTO t1 VALUES('UUABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',1);
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',3);
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',4);
delete from t1 where b=3;
INSERT INTO t1 VALUES('uUABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',3);
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4) engine InnoDB;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_general_ci from t1 where s1 like 'ペテ%';
before_delete_general_ci
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_general_ci from t1 where s1 like 'ペテ%';
after_delete_general_ci
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_unicode_ci) engine InnoDB;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_unicode_ci from t1 where s1 like 'ペテ%';
before_delete_unicode_ci
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_unicode_ci from t1 where s1 like 'ペテ%';
after_delete_unicode_ci
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_bin) engine InnoDB;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_bin from t1 where s1 like 'ペテ%';
before_delete_bin
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_bin from t1 where s1 like 'ペテ%';
after_delete_bin
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=InnoDB default character set utf8mb4 collate utf8mb4_general_ci;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as gci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
gci1
さしすせそかきくけこあいうえお
select a as gci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
gci2
あいうえおかきくけこさしすせそ
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=InnoDB default character set utf8mb4 collate utf8mb4_unicode_ci;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as uci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
uci1
さしすせそかきくけこあいうえお
select a as uci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
uci2
あいうえおかきくけこさしすせそ
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=InnoDB default character set utf8mb4 collate utf8mb4_bin;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as bin1 from t1 where a like 'さしすせそかきくけこあいうえお%';
bin1
さしすせそかきくけこあいうえお
select a as bin2 from t1 where a like 'あいうえおかきくけこさしすせそ';
bin2
あいうえおかきくけこさしすせそ
drop table t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (id int PRIMARY KEY,
a varchar(16) collate utf8mb4_unicode_ci NOT NULL default '',
b int,
f varchar(128) default 'XXX',
INDEX (a(4))
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
INSERT INTO t1(id, a, b) VALUES
(1, 'cccc', 50), (2, 'cccc', 70), (3, 'cccc', 30),
(4, 'cccc', 30), (5, 'cccc', 20), (6, 'bbbbbb', 40),
(7, 'dddd', 30), (8, 'aaaa', 10), (9, 'aaaa', 50),
(10, 'eeeee', 40), (11, 'bbbbbb', 60);
SELECT id, a, b FROM t1;
id a b
1 cccc 50
10 eeeee 40
11 bbbbbb 60
2 cccc 70
3 cccc 30
4 cccc 30
5 cccc 20
6 bbbbbb 40
7 dddd 30
8 aaaa 10
9 aaaa 50
SELECT id, a, b FROM t1 WHERE a BETWEEN 'aaaa' AND 'bbbbbb';
id a b
11 bbbbbb 60
6 bbbbbb 40
8 aaaa 10
9 aaaa 50
SELECT id, a FROM t1 WHERE a='bbbbbb';
id a
11 bbbbbb
6 bbbbbb
SELECT id, a FROM t1 WHERE a='bbbbbb' ORDER BY b;
id a
6 bbbbbb
11 bbbbbb
DROP TABLE t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (
a CHAR(13) DEFAULT '',
INDEX(a)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES
('Käli Käli 2-4'), ('Käli Käli 2-4'),
('Käli Käli 2+4'), ('Käli Käli 2+4'),
('Käli Käli 2-6'), ('Käli Käli 2-6');
INSERT INTO t1 SELECT * FROM t1;
CREATE TABLE t2 (
a CHAR(13) DEFAULT '',
INDEX(a)
) ENGINE=InnoDB DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
INSERT INTO t2 VALUES
('Kali Kali 2-4'), ('Kali Kali 2-4'),
('Kali Kali 2+4'), ('Kali Kali 2+4'),
('Kali Kali 2-6'), ('Kali Kali 2-6');
INSERT INTO t2 SELECT * FROM t2;
SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
a
Käli Käli 2+4
Käli Käli 2+4
Käli Käli 2+4
Käli Käli 2+4
SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
a
Kali Kali 2+4
Kali Kali 2+4
Kali Kali 2+4
Kali Kali 2+4
EXPLAIN SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 53 NULL 4 Using where; Using index
EXPLAIN SELECT a FROM t1 WHERE a = 'Käli Käli 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 53 const 4 Using where; Using index
EXPLAIN SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 14 NULL 4 Using where; Using index
EXPLAIN SELECT a FROM t2 WHERE a = 'Kali Kali 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref a a 14 const 4 Using where; Using index
DROP TABLE t1,t2;
CREATE TABLE t1 (
a char(255) DEFAULT '',
KEY(a(10))
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
DROP TABLE t1;
CREATE TABLE t1 (
a char(255) DEFAULT ''
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES ('Käli Käli 2-4');
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
ALTER TABLE t1 ADD KEY (a(10));
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
DROP TABLE t1;
SET NAMES latin2;
CREATE TABLE t1 (
id int(11) NOT NULL default '0',
tid int(11) NOT NULL default '0',
val text NOT NULL,
INDEX idx(tid, val(10))
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
INSERT INTO t1 VALUES
(40988,72,'VOLN ADSL'),(41009,72,'VOLN ADSL'),
(41032,72,'VOLN ADSL'),(41038,72,'VOLN ADSL'),
(41063,72,'VOLN ADSL'),(41537,72,'VOLN ADSL Office'),
(42141,72,'VOLN ADSL'),(42565,72,'VOLN ADSL Combi'),
(42749,72,'VOLN ADSL'),(44205,72,'VOLN ADSL');
SELECT * FROM t1 WHERE tid=72 and val LIKE 'VOLNY ADSL';
id tid val
40988 72 VOLN ADSL
41009 72 VOLN ADSL
41032 72 VOLN ADSL
41038 72 VOLN ADSL
41063 72 VOLN ADSL
42141 72 VOLN ADSL
42749 72 VOLN ADSL
44205 72 VOLN ADSL
SELECT * FROM t1 WHERE tid=72 and val LIKE 'VOLN ADSL';
id tid val
40988 72 VOLN ADSL
41009 72 VOLN ADSL
41032 72 VOLN ADSL
41038 72 VOLN ADSL
41063 72 VOLN ADSL
42141 72 VOLN ADSL
42749 72 VOLN ADSL
44205 72 VOLN ADSL
SELECT * FROM t1 WHERE tid=72 and val LIKE '%VOLN ADSL';
id tid val
40988 72 VOLN ADSL
41009 72 VOLN ADSL
41032 72 VOLN ADSL
41038 72 VOLN ADSL
41063 72 VOLN ADSL
42141 72 VOLN ADSL
42749 72 VOLN ADSL
44205 72 VOLN ADSL
ALTER TABLE t1 DROP KEY idx;
ALTER TABLE t1 ADD KEY idx (tid,val(11));
SELECT * FROM t1 WHERE tid=72 and val LIKE 'VOLN ADSL';
id tid val
40988 72 VOLN ADSL
41009 72 VOLN ADSL
41032 72 VOLN ADSL
41038 72 VOLN ADSL
41063 72 VOLN ADSL
42141 72 VOLN ADSL
42749 72 VOLN ADSL
44205 72 VOLN ADSL
DROP TABLE t1;
create table t1(a char(200) collate utf8mb4_unicode_ci NOT NULL default '')
default charset=utf8mb4 collate=utf8mb4_unicode_ci engine InnoDB;
insert into t1 values (unhex('65')), (unhex('C3A9')), (unhex('65'));
explain select distinct a from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using temporary
select distinct a from t1;
a
e
explain select a from t1 group by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using temporary; Using filesort
select a from t1 group by a;
a
e
drop table t1;
create table t1(a char(10)) default charset utf8mb4 engine InnoDB;
insert into t1 values ('123'), ('456');
explain
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE Y ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
1 SIMPLE Z ALL NULL NULL NULL NULL 2 Using where; Using join buffer
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
substr(Z.a,-1) a
3 123
6 456
drop table t1;
SET CHARACTER SET utf8mb4;
SHOW VARIABLES LIKE 'character\_set\_%';
Variable_name Value
character_set_client utf8mb4
character_set_connection latin1
character_set_database latin1
character_set_filesystem binary
character_set_results utf8mb4
character_set_server latin1
character_set_system utf8
CREATE DATABASE crashtest DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;
USE crashtest;
CREATE TABLE crashtest (crash char(10)) DEFAULT CHARSET=utf8mb4 ENGINE InnoDB;
INSERT INTO crashtest VALUES ('35'), ('36'), ('37');
SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
crash
35
36
37
INSERT INTO crashtest VALUES ('-1000');
EXPLAIN SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE crashtest ALL NULL NULL NULL NULL 4 Using filesort
SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
crash
-1000
35
36
37
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FFFFFC'
DROP TABLE crashtest;
DROP DATABASE crashtest;
USE test;
SET CHARACTER SET default;
CREATE TABLE t1(id varchar(20) NOT NULL) DEFAULT CHARSET=utf8mb4 ENGINE InnoDB;
INSERT INTO t1 VALUES ('xxx'), ('aa'), ('yyy'), ('aa');
SELECT id FROM t1;
id
aa
aa
xxx
yyy
SELECT DISTINCT id FROM t1;
id
aa
xxx
yyy
SELECT DISTINCT id FROM t1 ORDER BY id;
id
aa
xxx
yyy
DROP TABLE t1;
create table t1 (
a varchar(26) not null
) default character set utf8mb4 ENGINE InnoDB;
insert into t1 (a) values ('abcdefghijklmnopqrstuvwxyz');
select * from t1;
a
abcdefghijklmnopqrstuvwxyz
alter table t1 change a a varchar(20) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghijklmnopqrst
alter table t1 change a a char(15) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghijklmno
alter table t1 change a a char(10) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghij
alter table t1 change a a varchar(5) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcde
drop table t1;
create table t1 (
a varchar(4000) not null
) default character set utf8mb4 engine InnoDB;
insert into t1 values (repeat('a',4000));
alter table t1 change a a varchar(3000) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select length(a) from t1;
length(a)
3000
drop table t1;
set names utf8mb4;
select hex(char(1 using utf8mb4));
hex(char(1 using utf8mb4))
01
select char(0xd1,0x8f using utf8mb4);
char(0xd1,0x8f using utf8mb4)
я
select char(0xd18f using utf8mb4);
char(0xd18f using utf8mb4)
я
select char(53647 using utf8mb4);
char(53647 using utf8mb4)
я
select char(0xff,0x8f using utf8mb4);
char(0xff,0x8f using utf8mb4)
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select convert(char(0xff,0x8f) using utf8mb4);
convert(char(0xff,0x8f) using utf8mb4)
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
set sql_mode=traditional;
select char(0xff,0x8f using utf8mb4);
char(0xff,0x8f using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select char(195 using utf8mb4);
char(195 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'C3'
select char(196 using utf8mb4);
char(196 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'C4'
select char(2557 using utf8mb4);
char(2557 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FD'
select convert(char(0xff,0x8f) using utf8mb4);
convert(char(0xff,0x8f) using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select hex(convert(char(2557 using latin1) using utf8mb4));
hex(convert(char(2557 using latin1) using utf8mb4))
09C3BD
select hex(char(195));
hex(char(195))
C3
select hex(char(196));
hex(char(196))
C4
select hex(char(2557));
hex(char(2557))
09FD
set names utf8mb4;
create table t1 (a char(1)) default character set utf8mb4 engine InnoDB;
create table t2 (a char(1)) default character set utf8mb4 engine InnoDB;
insert into t1 values('a'),('a'),(0xE38182),(0xE38182);
insert into t1 values('i'),('i'),(0xE38184),(0xE38184);
select * from t1 union distinct select * from t2;
a
a
i
drop table t1,t2;
set names utf8mb4;
create table t1 (a char(10), b varchar(10)) engine InnoDB;
insert into t1 values ('bar','kostja');
insert into t1 values ('kostja','bar');
prepare my_stmt from "select * from t1 where a=?";
set @a:='bar';
execute my_stmt using @a;
a b
bar kostja
set @a:='kostja';
execute my_stmt using @a;
a b
kostja bar
set @a:=null;
execute my_stmt using @a;
a b
drop table if exists t1;
drop table if exists t1;
drop view if exists v1, v2;
set names utf8mb4;
create table t1(col1 varchar(12) character set utf8mb4 collate utf8mb4_unicode_ci) engine InnoDB;
insert into t1 values('t1_val');
create view v1 as select 'v1_val' as col1;
select coercibility(col1), collation(col1) from v1;
coercibility(col1) collation(col1)
4 utf8mb4_general_ci
create view v2 as select col1 from v1 union select col1 from t1;
select coercibility(col1), collation(col1)from v2;
coercibility(col1) collation(col1)
2 utf8mb4_unicode_ci
2 utf8mb4_unicode_ci
drop view v1, v2;
create view v1 as select 'v1_val' collate utf8mb4_swedish_ci as col1;
select coercibility(col1), collation(col1) from v1;
coercibility(col1) collation(col1)
0 utf8mb4_swedish_ci
create view v2 as select col1 from v1 union select col1 from t1;
select coercibility(col1), collation(col1) from v2;
coercibility(col1) collation(col1)
0 utf8mb4_swedish_ci
0 utf8mb4_swedish_ci
drop view v1, v2;
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine InnoDB;
insert into t1 values ('a',1);
select concat(a, if(b>10, N'x', N'y')) from t1;
concat(a, if(b>10, N'x', N'y'))
ay
select concat(a, if(b>10, N'æ', N'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine InnoDB;
insert into t1 values ('a',1);
select concat(a, if(b>10, _utf8mb4'x', _utf8mb4'y')) from t1;
concat(a, if(b>10, _utf8mb4'x', _utf8mb4'y'))
ay
select concat(a, if(b>10, _utf8mb4'æ', _utf8mb4'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine InnoDB;
insert into t1 values ('a',1);
select concat(a, if(b>10, _utf8mb4 0x78, _utf8mb4 0x79)) from t1;
concat(a, if(b>10, _utf8mb4 0x78, _utf8mb4 0x79))
ay
select concat(a, if(b>10, _utf8mb4 0xC3A6, _utf8mb4 0xC3AF)) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine InnoDB;
insert into t1 values ('a',1);
select concat(a, if(b>10, 'x' 'x', 'y' 'y')) from t1;
concat(a, if(b>10, 'x' 'x', 'y' 'y'))
ayy
select concat(a, if(b>10, 'x' 'æ', 'y' 'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
CREATE TABLE t1 (
colA int(11) NOT NULL,
colB varchar(255) character set utf8mb4 NOT NULL,
PRIMARY KEY (colA)
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t1 (colA, colB) VALUES (1, 'foo'), (2, 'foo bar');
CREATE TABLE t2 (
colA int(11) NOT NULL,
colB varchar(255) character set utf8mb4 NOT NULL,
KEY bad (colA,colB(3))
) ENGINE=InnoDB DEFAULT CHARSET=latin1;
INSERT INTO t2 (colA, colB) VALUES (1, 'foo'),(2, 'foo bar');
SELECT * FROM t1 JOIN t2 ON t1.colA=t2.colA AND t1.colB=t2.colB
WHERE t1.colA < 3;
colA colB colA colB
1 foo 1 foo
2 foo bar 2 foo bar
DROP TABLE t1, t2;
SELECT 'н1234567890' UNION SELECT _binary '1';
н1234567890
н1234567890
1
SELECT 'н1234567890' UNION SELECT 1;
н1234567890
н1234567890
1
SELECT '1' UNION SELECT 'н1234567890';
1
1
н1234567890
SELECT 1 UNION SELECT 'н1234567890';
1
1
н1234567890
CREATE TABLE t1 (c VARCHAR(11)) CHARACTER SET utf8mb4 ENGINE InnoDB;
CREATE TABLE t2 (b CHAR(1) CHARACTER SET binary, i INT) ENGINE InnoDB;
INSERT INTO t1 (c) VALUES ('н1234567890');
INSERT INTO t2 (b, i) VALUES ('1', 1);
SELECT c FROM t1 UNION SELECT b FROM t2;
c
н1234567890
1
SELECT c FROM t1 UNION SELECT i FROM t2;
c
н1234567890
1
SELECT b FROM t2 UNION SELECT c FROM t1;
b
1
н1234567890
SELECT i FROM t2 UNION SELECT c FROM t1;
i
1
н1234567890
DROP TABLE t1, t2;
set sql_mode=traditional;
select hex(char(0xFF using utf8mb4));
hex(char(0xFF using utf8mb4))
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(convert(0xFF using utf8mb4));
hex(convert(0xFF using utf8mb4))
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 0x616263FF);
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 B'001111111111');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select (_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
set sql_mode=default;
select hex(char(0xFF using utf8mb4));
hex(char(0xFF using utf8mb4))
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(convert(0xFF using utf8mb4));
hex(convert(0xFF using utf8mb4))
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 0x616263FF);
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 B'001111111111');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select (_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL) ENGINE InnoDB;
INSERT INTO t1 VALUES (70000, 1092), (70001, 1085), (70002, 1065);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
ALTER TABLE t1 ADD UNIQUE (b);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
DROP INDEX b ON t1;
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
ALTER TABLE t1 ADD INDEX (b);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) from t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
DROP TABLE t1;
#
# Bug#26474: Add Sinhala script (Sri Lanka) collation to MySQL
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
predicted_order int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE InnoDB;
INSERT INTO t1 VALUES (19, x'E0B696'), (30, x'E0B69AE0B798'), (61, x'E0B6AF'), (93, x'E0B799'), (52, x'E0B6A6'), (73, x'E0B6BBE0B78AE2808D'), (3, x'E0B686'), (56, x'E0B6AA'), (55, x'E0B6A9'), (70, x'E0B6B9'), (94, x'E0B79A'), (80, x'E0B785'), (25, x'E0B69AE0B791'), (48, x'E0B6A2'), (13, x'E0B690'), (86, x'E0B793'), (91, x'E0B79F'), (81, x'E0B786'), (79, x'E0B784'), (14, x'E0B691'), (99, x'E0B78A'), (8, x'E0B68B'), (68, x'E0B6B7'), (22, x'E0B69A'), (16, x'E0B693'), (33, x'E0B69AE0B7B3'), (38, x'E0B69AE0B79D'), (21, x'E0B683'), (11, x'E0B68E'), (77, x'E0B782'), (40, x'E0B69AE0B78A'), (101, x'E0B78AE2808DE0B6BB'), (35, x'E0B69AE0B79A'), (1, x'E0B7B4'), (9, x'E0B68C'), (96, x'E0B79C'), (6, x'E0B689'), (95, x'E0B79B'), (88, x'E0B796'), (64, x'E0B6B3'), (26, x'E0B69AE0B792'), (82, x'E0B78F'), (28, x'E0B69AE0B794'), (39, x'E0B69AE0B79E'), (97, x'E0B79D'), (2, x'E0B685'), (75, x'E0B780'), (34, x'E0B69AE0B799'), (69, x'E0B6B8'), (83, x'E0B790'), (18, x'E0B695'), (90, x'E0B7B2'), (17, x'E0B694'), (72, x'E0B6BB'), (66, x'E0B6B5'), (59, x'E0B6AD'), (44, x'E0B69E'), (15, x'E0B692'), (23, x'E0B69AE0B78F'), (65, x'E0B6B4'), (42, x'E0B69C'), (63, x'E0B6B1'), (85, x'E0B792'), (47, x'E0B6A1'), (49, x'E0B6A3'), (92, x'E0B7B3'), (78, x'E0B783'), (36, x'E0B69AE0B79B'), (4, x'E0B687'), (24, x'E0B69AE0B790'), (87, x'E0B794'), (37, x'E0B69AE0B79C'), (32, x'E0B69AE0B79F'), (29, x'E0B69AE0B796'), (43, x'E0B69D'), (62, x'E0B6B0'), (100, x'E0B78AE2808DE0B6BA'), (60, x'E0B6AE'), (45, x'E0B69F'), (12, x'E0B68F'), (46, x'E0B6A0'), (50, x'E0B6A5'), (51, x'E0B6A4'), (5, x'E0B688'), (76, x'E0B781'), (89, x'E0B798'), (74, x'E0B6BD'), (10, x'E0B68D'), (57, x'E0B6AB'), (71, x'E0B6BA'), (58, x'E0B6AC'), (27, x'E0B69AE0B793'), (54, x'E0B6A8'), (84, x'E0B791'), (31, x'E0B69AE0B7B2'), (98, x'E0B79E'), (53, x'E0B6A7'), (41, x'E0B69B'), (67, x'E0B6B6'), (7, x'E0B68A'), (20, x'E0B682');
SELECT predicted_order, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLATE utf8mb4_sinhala_ci;
predicted_order hex(utf8mb4_encoding)
1 E0B7B4
2 E0B685
3 E0B686
4 E0B687
5 E0B688
6 E0B689
7 E0B68A
8 E0B68B
9 E0B68C
10 E0B68D
11 E0B68E
12 E0B68F
13 E0B690
14 E0B691
15 E0B692
16 E0B693
17 E0B694
18 E0B695
19 E0B696
20 E0B682
21 E0B683
22 E0B69A
23 E0B69AE0B78F
24 E0B69AE0B790
25 E0B69AE0B791
26 E0B69AE0B792
27 E0B69AE0B793
28 E0B69AE0B794
29 E0B69AE0B796
30 E0B69AE0B798
31 E0B69AE0B7B2
32 E0B69AE0B79F
33 E0B69AE0B7B3
34 E0B69AE0B799
35 E0B69AE0B79A
36 E0B69AE0B79B
37 E0B69AE0B79C
38 E0B69AE0B79D
39 E0B69AE0B79E
40 E0B69AE0B78A
41 E0B69B
42 E0B69C
43 E0B69D
44 E0B69E
45 E0B69F
46 E0B6A0
47 E0B6A1
48 E0B6A2
49 E0B6A3
50 E0B6A5
51 E0B6A4
52 E0B6A6
53 E0B6A7
54 E0B6A8
55 E0B6A9
56 E0B6AA
57 E0B6AB
58 E0B6AC
59 E0B6AD
60 E0B6AE
61 E0B6AF
62 E0B6B0
63 E0B6B1
64 E0B6B3
65 E0B6B4
66 E0B6B5
67 E0B6B6
68 E0B6B7
69 E0B6B8
70 E0B6B9
71 E0B6BA
72 E0B6BB
73 E0B6BBE0B78AE2808D
74 E0B6BD
75 E0B780
76 E0B781
77 E0B782
78 E0B783
79 E0B784
80 E0B785
81 E0B786
82 E0B78F
83 E0B790
84 E0B791
85 E0B792
86 E0B793
87 E0B794
88 E0B796
89 E0B798
90 E0B7B2
91 E0B79F
92 E0B7B3
93 E0B799
94 E0B79A
95 E0B79B
96 E0B79C
97 E0B79D
98 E0B79E
99 E0B78A
100 E0B78AE2808DE0B6BA
101 E0B78AE2808DE0B6BB
DROP TABLE t1;
#
# Bug#32914 Character sets: illegal characters in utf8mb4 and utf32 columns
#
create table t1 (utf8mb4 char(1) character set utf8mb4) engine InnoDB;
Testing [F0][90..BF][80..BF][80..BF]
insert into t1 values (0xF0908080);
insert into t1 values (0xF0BFBFBF);
insert into t1 values (0xF08F8080);
Warnings:
Warning 1366 Incorrect string value: '\xF0\x8F\x80\x80' for column 'utf8mb4' at row 1
select hex(utf8mb4) from t1;
hex(utf8mb4)
F0908080
F0BFBFBF
delete from t1;
Testing [F2..F3][80..BF][80..BF][80..BF]
insert into t1 values (0xF2808080);
insert into t1 values (0xF2BFBFBF);
select hex(utf8mb4) from t1;
hex(utf8mb4)
F2808080
F2BFBFBF
delete from t1;
Testing [F4][80..8F][80..BF][80..BF]
insert into t1 values (0xF4808080);
insert into t1 values (0xF48F8080);
insert into t1 values (0xF4908080);
Warnings:
Warning 1366 Incorrect string value: '\xF4\x90\x80\x80' for column 'utf8mb4' at row 1
select hex(utf8mb4) from t1;
hex(utf8mb4)
F4808080
F48F8080
drop table t1;
#
# Check strnxfrm() with odd length
#
set max_sort_length=5;
select @@max_sort_length;
@@max_sort_length
5
create table t1 (a varchar(128) character set utf8mb4 collate utf8mb4_general_ci) engine InnoDB;
insert into t1 values ('a'),('b'),('c');
select * from t1 order by a;
a
a
b
c
alter table t1 modify a varchar(128) character set utf8mb4 collate utf8mb4_bin;
select * from t1 order by a;
a
a
b
c
drop table t1;
set max_sort_length=default;
#
# Bug#26180: Can't add columns to tables created with utf8mb4 text indexes
#
CREATE TABLE t1 (
clipid INT NOT NULL,
Tape TINYTEXT,
PRIMARY KEY (clipid),
KEY tape(Tape(255))
) CHARACTER SET=utf8mb4 ENGINE InnoDB;
Warnings:
Warning 1071 Specified key was too long; max key length is 767 bytes
ALTER TABLE t1 ADD mos TINYINT DEFAULT 0 AFTER clipid;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`clipid` int(11) NOT NULL,
`mos` tinyint(4) DEFAULT '0',
`Tape` tinytext,
PRIMARY KEY (`clipid`),
KEY `tape` (`Tape`(191))
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
DROP TABLE t1;
#
# Testing 4-byte values.
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE InnoDB;
INSERT INTO t1 VALUES (119040, x'f09d8480'),
# G CLEF
(119070, x'f09d849e'),
# HALF NOTE
(119134, x'f09d859e'),
# MUSICAL SYMBOL CROIX
(119247, x'f09d878f'),
# MATHEMATICAL BOLD ITALIC CAPITAL DELTA
(120607, x'f09d9c9f'),
# SANS-SERIF BOLD ITALIC CAPITAL PI
(120735, x'f09d9e9f'),
# <Plane 16 Private Use, Last> (last 4 byte character)
(1114111, x'f48fbfbf'),
# VARIATION SELECTOR-256
(917999, x'f3a087af');
INSERT INTO t1 VALUES (119070, x'f09d849ef09d859ef09d859ef09d8480f09d859ff09d859ff09d859ff09d85a0f09d85a0f09d8480');
INSERT INTO t1 VALUES (65131, x'efb9abf09d849ef09d859ef09d859ef09d8480f09d859fefb9abefb9abf09d85a0efb9ab');
INSERT INTO t1 VALUES (119070, x'f09d849ef09d859ef09d859ef09d8480f09d859ff09d859ff09d859ff09d85a0f09d85a0f09d8480f09d85a0');
Warnings:
Warning 1265 Data truncated for column 'utf8mb4_encoding' at row 1
SELECT u_decimal, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLATE utf8mb4_general_ci, BINARY utf8mb4_encoding;
u_decimal hex(utf8mb4_encoding)
1114111 F48FBFBF
119040 F09D8480
119070 F09D849E
119070 F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
119070 F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
119134 F09D859E
119247 F09D878F
120607 F09D9C9F
120735 F09D9E9F
65131 EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9AB
917999 F3A087AF
INSERT INTO t1 VALUES (1114111, x'f5808080');
Warnings:
Warning 1366 Incorrect string value: '\xF5\x80\x80\x80' for column 'utf8mb4_encoding' at row 1
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't1' AND column_name= 'utf8mb4_encoding';
character_maximum_length character_octet_length
10 40
DROP TABLE IF EXISTS t2;
CREATE TABLE t2 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb3 ENGINE InnoDB;
INSERT INTO t2 VALUES (42856, x'ea9da8');
INSERT INTO t2 VALUES (65131, x'efb9ab');
INSERT INTO t2 VALUES (1114111, x'f48fbfbf');
Warnings:
Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBF' for column 'utf8mb3_encoding' at row 1
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't2' AND column_name= 'utf8mb3_encoding';
character_maximum_length character_octet_length
10 30
UPDATE t2 SET utf8mb3_encoding= x'f48fbfbd' where u_decimal= 42856;
Warnings:
Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBD' for column 'utf8mb3_encoding' at row 1
UPDATE t2 SET utf8mb3_encoding= _utf8mb4 x'ea9da8' where u_decimal= 42856;
SELECT HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8')) FROM t1;
HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8'))
EA9DA8
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEA9DA8
F09D8480EA9DA8
F09D849EEA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D859EEA9DA8
F09D878FEA9DA8
F09D9C9FEA9DA8
F09D9E9FEA9DA8
F3A087AFEA9DA8
F48FBFBFEA9DA8
SELECT HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding)) FROM t1,t2;
HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding))
EA9DA8
EFB9AB
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9AB
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEA9DA8
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEFB9AB
F09D8480
F09D8480EA9DA8
F09D8480EFB9AB
F09D849E
F09D849EEA9DA8
F09D849EEFB9AB
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EFB9AB
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EFB9AB
F09D859E
F09D859EEA9DA8
F09D859EEFB9AB
F09D878F
F09D878FEA9DA8
F09D878FEFB9AB
F09D9C9F
F09D9C9FEA9DA8
F09D9C9FEFB9AB
F09D9E9F
F09D9E9FEA9DA8
F09D9E9FEFB9AB
F3A087AF
F3A087AFEA9DA8
F3A087AFEFB9AB
F48FBFBF
F48FBFBFEA9DA8
F48FBFBFEFB9AB
SELECT count(*) FROM t1, t2
WHERE t1.utf8mb4_encoding > t2.utf8mb3_encoding;
count(*)
33
ALTER TABLE t1 CONVERT TO CHARACTER SET utf8;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding),utf8mb4_encoding FROM t1;
u_decimal hex(utf8mb4_encoding) utf8mb4_encoding
1114111
1114111 3F ?
119040 3F ?
119070 3F ?
119070 3F3F3F3F3F3F3F3F3F3F ??????????
119070 3F3F3F3F3F3F3F3F3F3F ??????????
119134 3F ?
119247 3F ?
120607 3F ?
120735 3F ?
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB ﹫?????﹫﹫?﹫
917999 3F ?
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb3;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb3;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
u_decimal hex(utf8mb4_encoding)
1114111
1114111 3F
119040 3F
119070 3F
119070 3F3F3F3F3F3F3F3F3F3F
119070 3F3F3F3F3F3F3F3F3F3F
119134 3F
119247 3F
120607 3F
120735 3F
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB
917999 3F
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
u_decimal hex(utf8mb4_encoding)
1114111
1114111 3F
119040 3F
119070 3F
119070 3F3F3F3F3F3F3F3F3F3F
119070 3F3F3F3F3F3F3F3F3F3F
119134 3F
119247 3F
120607 3F
120735 3F
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB
917999 3F
ALTER TABLE t2 MODIFY utf8mb3_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
DROP TABLE IF EXISTS t3;
CREATE TABLE t3 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8 ENGINE InnoDB;
INSERT INTO t3 SELECT * FROM t1;
DROP TABLE IF EXISTS t4;
CREATE TABLE t4 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE InnoDB;
INSERT INTO t3 SELECT * FROM t2;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
#
# Testing that mixing utf8 and utf8mb4 collations returns utf8mb4
#
SELECT CHARSET(CONCAT(_utf8mb4'a',_utf8'b'));
CHARSET(CONCAT(_utf8mb4'a',_utf8'b'))
utf8mb4
CREATE TABLE t1 (utf8mb4 VARCHAR(10) CHARACTER SET utf8mb4 NOT NULL) ENGINE InnoDB;
INSERT INTO t1 VALUES (x'ea9da8'),(x'f48fbfbf');
SELECT CONCAT(utf8mb4, _utf8 x'ea9da8') FROM t1 LIMIT 0;
CONCAT(utf8mb4, _utf8 x'ea9da8')
CREATE TABLE t2 (utf8mb3 VARCHAR(10) CHARACTER SET utf8mb3 NOT NULL) ENGINE InnoDB;
INSERT INTO t2 VALUES (x'ea9da8');
SELECT HEX(CONCAT(utf8mb4, utf8mb3)) FROM t1,t2 ORDER BY 1;
HEX(CONCAT(utf8mb4, utf8mb3))
EA9DA8EA9DA8
F48FBFBFEA9DA8
SELECT CHARSET(CONCAT(utf8mb4, utf8mb3)) FROM t1, t2 LIMIT 1;
CHARSET(CONCAT(utf8mb4, utf8mb3))
utf8mb4
CREATE TEMPORARY TABLE t3 ENGINE InnoDB AS SELECT *, concat(utf8mb4,utf8mb3) FROM t1, t2;
SHOW CREATE TABLE t3;
Table Create Table
t3 CREATE TEMPORARY TABLE `t3` (
`utf8mb4` varchar(10) CHARACTER SET utf8mb4 NOT NULL,
`utf8mb3` varchar(10) CHARACTER SET utf8 NOT NULL,
`concat(utf8mb4,utf8mb3)` varchar(20) CHARACTER SET utf8mb4 NOT NULL DEFAULT ''
) ENGINE=InnoDB DEFAULT CHARSET=latin1
DROP TEMPORARY TABLE t3;
SELECT * FROM t1, t2 WHERE t1.utf8mb4 > t2.utf8mb3;
utf8mb4 utf8mb3
􏿿 Ꝩ
SELECT * FROM t1, t2 WHERE t1.utf8mb4 = t2.utf8mb3;
utf8mb4 utf8mb3
Ꝩ Ꝩ
SELECT * FROM t1, t2 WHERE t1.utf8mb4 < t2.utf8mb3;
utf8mb4 utf8mb3
DROP TABLE t1;
DROP TABLE t2;
#
# Check that mixing utf8mb4 with an invalid utf8 constant returns error
#
CREATE TABLE t1 (utf8mb4 VARCHAR(10) CHARACTER SET utf8mb4) ENGINE InnoDB;
INSERT INTO t1 VALUES (x'f48fbfbf');
SELECT CONCAT(utf8mb4, _utf8 '') FROM t1;
ERROR HY000: Illegal mix of collations (utf8mb4_general_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'concat'
SELECT CONCAT('a', _utf8 '') FROM t1;
ERROR HY000: Illegal mix of collations (utf8mb4_general_ci,COERCIBLE) and (utf8_general_ci,COERCIBLE) for operation 'concat'
DROP TABLE t1;
#
# End of 5.5 tests
#
#
# End of tests
#
drop table if exists t1,t2;
#
# Start of 5.5 tests
#
set names utf8mb4;
select left(_utf8mb4 0xD0B0D0B1D0B2,1);
left(_utf8mb4 0xD0B0D0B1D0B2,1)
а
select right(_utf8mb4 0xD0B0D0B2D0B2,1);
right(_utf8mb4 0xD0B0D0B2D0B2,1)
в
select locate('he','hello');
locate('he','hello')
1
select locate('he','hello',2);
locate('he','hello',2)
0
select locate('lo','hello',2);
locate('lo','hello',2)
4
select locate('HE','hello');
locate('HE','hello')
1
select locate('HE','hello',2);
locate('HE','hello',2)
0
select locate('LO','hello',2);
locate('LO','hello',2)
4
select locate('HE','hello' collate utf8mb4_bin);
locate('HE','hello' collate utf8mb4_bin)
0
select locate('HE','hello' collate utf8mb4_bin,2);
locate('HE','hello' collate utf8mb4_bin,2)
0
select locate('LO','hello' collate utf8mb4_bin,2);
locate('LO','hello' collate utf8mb4_bin,2)
0
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D0B1D0B2);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D0B1D0B2)
2
select locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2);
locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2)
2
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2)
2
select locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2 collate utf8mb4_bin);
locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2 collate utf8mb4_bin)
0
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2 collate utf8mb4_bin);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2 collate utf8mb4_bin)
0
select length(_utf8mb4 0xD0B1), bit_length(_utf8mb4 0xD0B1), char_length(_utf8mb4 0xD0B1);
length(_utf8mb4 0xD0B1) bit_length(_utf8mb4 0xD0B1) char_length(_utf8mb4 0xD0B1)
2 16 1
select 'a' like 'a';
'a' like 'a'
1
select 'A' like 'a';
'A' like 'a'
1
select 'A' like 'a' collate utf8mb4_bin;
'A' like 'a' collate utf8mb4_bin
0
select _utf8mb4 0xD0B0D0B1D0B2 like concat(_utf8mb4'%',_utf8mb4 0xD0B1,_utf8mb4 '%');
_utf8mb4 0xD0B0D0B1D0B2 like concat(_utf8mb4'%',_utf8mb4 0xD0B1,_utf8mb4 '%')
1
select convert(_latin1'Gnter Andr' using utf8mb4) like CONVERT(_latin1'GNTER%' USING utf8mb4);
convert(_latin1'G?nter Andr?' using utf8mb4) like CONVERT(_latin1'G?NTER%' USING utf8mb4)
1
select CONVERT(_koi8r'' USING utf8mb4) LIKE CONVERT(_koi8r'' USING utf8mb4);
CONVERT(_koi8r'????' USING utf8mb4) LIKE CONVERT(_koi8r'????' USING utf8mb4)
1
select CONVERT(_koi8r'' USING utf8mb4) LIKE CONVERT(_koi8r'' USING utf8mb4);
CONVERT(_koi8r'????' USING utf8mb4) LIKE CONVERT(_koi8r'????' USING utf8mb4)
1
SELECT 'a' = 'a ';
'a' = 'a '
1
SELECT 'a\0' < 'a';
'a\0' < 'a'
1
SELECT 'a\0' < 'a ';
'a\0' < 'a '
1
SELECT 'a\t' < 'a';
'a\t' < 'a'
1
SELECT 'a\t' < 'a ';
'a\t' < 'a '
1
SELECT 'a' = 'a ' collate utf8mb4_bin;
'a' = 'a ' collate utf8mb4_bin
1
SELECT 'a\0' < 'a' collate utf8mb4_bin;
'a\0' < 'a' collate utf8mb4_bin
1
SELECT 'a\0' < 'a ' collate utf8mb4_bin;
'a\0' < 'a ' collate utf8mb4_bin
1
SELECT 'a\t' < 'a' collate utf8mb4_bin;
'a\t' < 'a' collate utf8mb4_bin
1
SELECT 'a\t' < 'a ' collate utf8mb4_bin;
'a\t' < 'a ' collate utf8mb4_bin
1
CREATE TABLE t1 (a char(10) character set utf8mb4 not null) ENGINE MyISAM;
INSERT INTO t1 VALUES ('a'),('a\0'),('a\t'),('a ');
SELECT hex(a),STRCMP(a,'a'), STRCMP(a,'a ') FROM t1;
hex(a) STRCMP(a,'a') STRCMP(a,'a ')
61 0 0
61 0 0
6100 -1 -1
6109 -1 -1
DROP TABLE t1;
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
this is a test
select insert("aa",100,1,"b"),insert("aa",1,3,"b");
insert("aa",100,1,"b") insert("aa",1,3,"b")
aa b
select char_length(left(@a:='тест',5)), length(@a), @a;
char_length(left(@a:='тест',5)) length(@a) @a
4 8 тест
create table t1 ENGINE MyISAM select date_format("2004-01-19 10:10:10", "%Y-%m-%d");
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`date_format("2004-01-19 10:10:10", "%Y-%m-%d")` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
select * from t1;
date_format("2004-01-19 10:10:10", "%Y-%m-%d")
2004-01-19
drop table t1;
set names utf8mb4;
set LC_TIME_NAMES='fr_FR';
create table t1 (s1 char(20) character set latin1) engine MyISAM;
insert into t1 values (date_format('2004-02-02','%M'));
select hex(s1) from t1;
hex(s1)
66E97672696572
drop table t1;
create table t1 (s1 char(20) character set koi8r) engine MyISAM;
set LC_TIME_NAMES='ru_RU';
insert into t1 values (date_format('2004-02-02','%M'));
insert into t1 values (date_format('2004-02-02','%b'));
insert into t1 values (date_format('2004-02-02','%W'));
insert into t1 values (date_format('2004-02-02','%a'));
select hex(s1), s1 from t1;
hex(s1) s1
E6C5D7 Фев
E6C5D7D2C1CCD1 Февраля
F0CEC4 Пнд
F0CFCEC5C4C5CCD8CEC9CB Понедельник
drop table t1;
set LC_TIME_NAMES='en_US';
set names koi8r;
create table t1 (s1 char(1) character set utf8mb4) engine MyISAM;
insert into t1 values (_koi8r'');
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select s1,hex(s1),char_length(s1),octet_length(s1) from t1;
s1 hex(s1) char_length(s1) octet_length(s1)
D0B0 1 2
drop table t1;
create table t1 (s1 tinytext character set utf8mb4) engine MyISAM;
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161
61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F
D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61
D18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18F
D18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18F
select length(s1),char_length(s1) from t1;
length(s1) char_length(s1)
254 127
254 127
255 170
255 170
255 255
drop table t1;
create table t1 (s1 text character set utf8mb4) engine MyISAM;
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select length(s1),char_length(s1) from t1;
length(s1) char_length(s1)
65534 32767
65534 32767
65535 43690
65535 43690
65535 65535
drop table t1;
create table t1 (s1 char(10) character set utf8mb4) engine MyISAM;
insert into t1 values (0x41FF);
Warnings:
Warning 1366 Incorrect string value: '\xFF' for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
41
drop table t1;
create table t1 (s1 varchar(10) character set utf8mb4) engine MyISAM;
insert into t1 values (0x41FF);
Warnings:
Warning 1366 Incorrect string value: '\xFF' for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
41
drop table t1;
create table t1 (s1 text character set utf8mb4) engine MyISAM;
insert into t1 values (0x41FF);
Warnings:
Warning 1366 Incorrect string value: '\xFF' for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
41
drop table t1;
create table t1 (a text character set utf8mb4, primary key(a(371))) engine MyISAM;
ERROR 42000: Specified key was too long; max key length is 1000 bytes
CREATE TABLE t1 ( a varchar(10) ) CHARACTER SET utf8mb4 ENGINE MyISAM;
INSERT INTO t1 VALUES ( 'test' );
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = b.a;
a a
test test
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = 'test' and b.a = 'test';
a a
test test
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = b.a and a.a = 'test';
a a
test test
DROP TABLE t1;
create table t1 (a char(255) character set utf8mb4) engine MyISAM;
insert into t1 values('b'),('b');
select * from t1 where a = 'b';
a
b
b
select * from t1 where a = 'b' and a = 'b';
a
b
b
select * from t1 where a = 'b' and a != 'b';
a
drop table t1;
set collation_connection=utf8mb4_general_ci;
drop table if exists t1;
create table t1 as
select repeat(' ', 64) as s1, repeat(' ',64) as s2
union
select null, null;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`s1` varchar(64) CHARACTER SET utf8mb4 DEFAULT NULL,
`s2` varchar(64) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
delete from t1;
insert into t1 values('aaa','aaa');
insert into t1 values('aaa|qqq','qqq');
insert into t1 values('gheis','^[^a-dXYZ]+$');
insert into t1 values('aab','^aa?b');
insert into t1 values('Baaan','^Ba*n');
insert into t1 values('aaa','qqq|aaa');
insert into t1 values('qqq','qqq|aaa');
insert into t1 values('bbb','qqq|aaa');
insert into t1 values('bbb','qqq');
insert into t1 values('aaa','aba');
insert into t1 values(null,'abc');
insert into t1 values('def',null);
insert into t1 values(null,null);
insert into t1 values('ghi','ghi[');
select HIGH_PRIORITY s1 regexp s2 from t1;
s1 regexp s2
1
1
1
1
1
1
1
0
0
0
NULL
NULL
NULL
NULL
drop table t1;
set names utf8mb4;
set names utf8mb4;
select 'вася' rlike '[[:<:]]вася[[:>:]]';
'вася' rlike '[[:<:]]вася[[:>:]]'
1
select 'вася ' rlike '[[:<:]]вася[[:>:]]';
'вася ' rlike '[[:<:]]вася[[:>:]]'
1
select ' вася' rlike '[[:<:]]вася[[:>:]]';
' вася' rlike '[[:<:]]вася[[:>:]]'
1
select ' вася ' rlike '[[:<:]]вася[[:>:]]';
' вася ' rlike '[[:<:]]вася[[:>:]]'
1
select 'васяz' rlike '[[:<:]]вася[[:>:]]';
'васяz' rlike '[[:<:]]вася[[:>:]]'
0
select 'zвася' rlike '[[:<:]]вася[[:>:]]';
'zвася' rlike '[[:<:]]вася[[:>:]]'
0
select 'zвасяz' rlike '[[:<:]]вася[[:>:]]';
'zвасяz' rlike '[[:<:]]вася[[:>:]]'
0
CREATE TABLE t1 (a enum ('Y', 'N') DEFAULT 'N' COLLATE utf8mb4_unicode_ci) ENGINE MyISAM;
ALTER TABLE t1 ADD COLUMN b CHAR(20);
DROP TABLE t1;
set names utf8mb4;
create table t1 (a enum('aaaa','проба') character set utf8mb4) engine MyISAM;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` enum('aaaa','проба') CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('проба');
select * from t1;
a
проба
create table t2 engine MyISAM select ifnull(a,a) from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`ifnull(a,a)` varchar(5) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
select * from t2;
ifnull(a,a)
проба
drop table t1;
drop table t2;
create table t1 (c varchar(30) character set utf8mb4, unique(c(10))) engine MyISAM;
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
insert into t1 values ('aaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values ('aaaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
c1
1
select c c2 from t1 where c='2';
c2
2
select c c3 from t1 where c='3';
c3
3
select c cx from t1 where c='x';
cx
x
select c cy from t1 where c='y';
cy
y
select c cz from t1 where c='z';
cz
z
select c ca10 from t1 where c='aaaaaaaaaa';
ca10
aaaaaaaaaa
select c cb20 from t1 where c=repeat('b',20);
cb20
bbbbbbbbbbbbbbbbbbbb
drop table t1;
create table t1 (c varchar(30) character set utf8mb4, unique(c(10))) engine=MyISAM;
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
insert into t1 values ('aaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values ('aaaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
c1
1
select c c2 from t1 where c='2';
c2
2
select c c3 from t1 where c='3';
c3
3
select c cx from t1 where c='x';
cx
x
select c cy from t1 where c='y';
cy
y
select c cz from t1 where c='z';
cz
z
select c ca10 from t1 where c='aaaaaaaaaa';
ca10
aaaaaaaaaa
select c cb20 from t1 where c=repeat('b',20);
cb20
bbbbbbbbbbbbbbbbbbbb
drop table t1;
create table t1 (c char(3) character set utf8mb4, unique (c(2))) engine MyISAM;
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'aa' for key 'c'
insert into t1 values ('b');
insert into t1 values ('bb');
insert into t1 values ('bbb');
ERROR 23000: Duplicate entry 'bb' for key 'c'
insert into t1 values ('а');
insert into t1 values ('аа');
insert into t1 values ('ааа');
ERROR 23000: Duplicate entry 'аа' for key 'c'
insert into t1 values ('б');
insert into t1 values ('бб');
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'бб' for key 'c'
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
insert into t1 values ('ꪪꪪꪪ');
ERROR 23000: Duplicate entry 'ꪪꪪ' for key 'c'
drop table t1;
create table t1 (c char(3) character set utf8mb4, unique (c(2))) engine=MyISAM;
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'aa' for key 'c'
insert into t1 values ('b');
insert into t1 values ('bb');
insert into t1 values ('bbb');
ERROR 23000: Duplicate entry 'bb' for key 'c'
insert into t1 values ('а');
insert into t1 values ('аа');
insert into t1 values ('ааа');
ERROR 23000: Duplicate entry 'аа' for key 'c'
insert into t1 values ('б');
insert into t1 values ('бб');
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'бб' for key 'c'
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
insert into t1 values ('ꪪꪪꪪ');
ERROR 23000: Duplicate entry 'ꪪꪪ' for key 'c'
drop table t1;
create table t1 (
c char(10) character set utf8mb4,
unique key a using hash (c(1))
) engine=MyISAM;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING HASH
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4,
unique key a using btree (c(1))
) engine=MyISAM;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING BTREE
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4,
unique key a (c(1))
) engine=MyISAM;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (c varchar(30) character set utf8mb4 collate utf8mb4_bin, unique(c(10))) engine MyISAM;
insert into t1 values ('1'),('2'),('3'),('x'),('y'),('z');
insert into t1 values ('aaaaaaaaaa');
insert into t1 values ('aaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values ('aaaaaaaaaaaa');
ERROR 23000: Duplicate entry 'aaaaaaaaaa' for key 'c'
insert into t1 values (repeat('b',20));
select c c1 from t1 where c='1';
c1
1
select c c2 from t1 where c='2';
c2
2
select c c3 from t1 where c='3';
c3
3
select c cx from t1 where c='x';
cx
x
select c cy from t1 where c='y';
cy
y
select c cz from t1 where c='z';
cz
z
select c ca10 from t1 where c='aaaaaaaaaa';
ca10
aaaaaaaaaa
select c cb20 from t1 where c=repeat('b',20);
cb20
bbbbbbbbbbbbbbbbbbbb
drop table t1;
create table t1 (c char(3) character set utf8mb4 collate utf8mb4_bin, unique (c(2))) engine MyISAM;
insert into t1 values ('1'),('2'),('3'),('4'),('x'),('y'),('z');
insert into t1 values ('a');
insert into t1 values ('aa');
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'aa' for key 'c'
insert into t1 values ('b');
insert into t1 values ('bb');
insert into t1 values ('bbb');
ERROR 23000: Duplicate entry 'bb' for key 'c'
insert into t1 values ('а');
insert into t1 values ('аа');
insert into t1 values ('ааа');
ERROR 23000: Duplicate entry 'аа' for key 'c'
insert into t1 values ('б');
insert into t1 values ('бб');
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'бб' for key 'c'
insert into t1 values ('ꪪ');
insert into t1 values ('ꪪꪪ');
insert into t1 values ('ꪪꪪꪪ');
ERROR 23000: Duplicate entry 'ꪪꪪ' for key 'c'
drop table t1;
create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a using hash (c(1))
) engine=MyISAM;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING HASH
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a using btree (c(1))
) engine=MyISAM;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
UNIQUE KEY `a` (`c`(1)) USING BTREE
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
c char(10) character set utf8mb4 collate utf8mb4_bin,
unique key a (c(1))
) engine=MyISAM;
insert into t1 values ('a'),('b'),('c'),('d'),('e'),('f');
insert into t1 values ('aa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('aaa');
ERROR 23000: Duplicate entry 'a' for key 'a'
insert into t1 values ('б');
insert into t1 values ('бб');
ERROR 23000: Duplicate entry 'б' for key 'a'
insert into t1 values ('ббб');
ERROR 23000: Duplicate entry 'б' for key 'a'
select c as c_all from t1 order by c;
c_all
a
b
c
d
e
f
б
select c as c_a from t1 where c='a';
c_a
a
select c as c_a from t1 where c='б';
c_a
б
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine=MyISAM;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine=MyISAM;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str using btree (str(2))
) engine=MyISAM;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str using hash (str(2))
) engine=MyISAM;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine= MyISAM;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
CREATE TABLE t1 (a varchar(32) BINARY) CHARACTER SET utf8mb4 ENGINE MyISAM;
INSERT INTO t1 VALUES ('test');
SELECT a FROM t1 WHERE a LIKE '%te';
a
DROP TABLE t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (
subject varchar(255) character set utf8mb4 collate utf8mb4_unicode_ci,
p varchar(15) character set utf8mb4
) ENGINE= MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('谷川俊二と申しますが、インターネット予約の会員登録をしましたところ、メールアドレスを間違えてしまい会員IDが受け取ることが出来ませんでした。間違えアドレスはtani-shun@n.vodafone.ne.jpを書き込みました。どうすればよいですか? その他、住所等は間違えありません。連絡ください。よろしくお願いします。m(__)m','040312-000057');
INSERT INTO t1 VALUES ('aaa','bbb');
SELECT length(subject) FROM t1;
length(subject)
3
432
SELECT length(subject) FROM t1 ORDER BY 1;
length(subject)
3
432
DROP TABLE t1;
CREATE TABLE t1 (
id int unsigned NOT NULL auto_increment,
list_id smallint unsigned NOT NULL,
term TEXT NOT NULL,
PRIMARY KEY(id),
INDEX(list_id, term(4))
) ENGINE=MyISAM CHARSET=utf8mb4;
INSERT INTO t1 SET list_id = 1, term = "letterc";
INSERT INTO t1 SET list_id = 1, term = "letterb";
INSERT INTO t1 SET list_id = 1, term = "lettera";
INSERT INTO t1 SET list_id = 1, term = "letterd";
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterc");
id
1
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterb");
id
2
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "lettera");
id
3
SELECT id FROM t1 WHERE (list_id = 1) AND (term = "letterd");
id
4
DROP TABLE t1;
SET NAMES latin1;
CREATE TABLE t1 (
id int unsigned NOT NULL auto_increment,
list_id smallint unsigned NOT NULL,
term text NOT NULL,
PRIMARY KEY(id),
INDEX(list_id, term(19))
) ENGINE=MyISAM CHARSET=utf8mb4;
INSERT INTO t1 set list_id = 1, term = "testtest";
INSERT INTO t1 set list_id = 1, term = "testetest";
INSERT INTO t1 set list_id = 1, term = "testtest";
SELECT id, term FROM t1 where (list_id = 1) AND (term = "testtest");
id term
1 testtest
2 testetest
3 testtest
SELECT id, term FROM t1 where (list_id = 1) AND (term = "testetest");
id term
1 testtest
2 testetest
3 testtest
SELECT id, term FROM t1 where (list_id = 1) AND (term = "testtest");
id term
1 testtest
2 testetest
3 testtest
DROP TABLE t1;
set names utf8mb4;
create table t1 (
a int primary key,
b varchar(6),
index b3(b(3))
) engine=MyISAM character set=utf8mb4;
insert into t1 values(1,'foo'),(2,'foobar');
select * from t1 where b like 'foob%';
a b
2 foobar
alter table t1 engine=innodb;
select * from t1 where b like 'foob%';
a b
2 foobar
drop table t1;
create table t1 (
a enum('петя','вася','анюта') character set utf8mb4 not null default 'анюта',
b set('петя','вася','анюта') character set utf8mb4 not null default 'анюта'
) engine MyISAM;
create table t2 engine MyISAM select concat(a,_utf8mb4'') as a, concat(b,_utf8mb4'')as b from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` varchar(5) CHARACTER SET utf8mb4 NOT NULL DEFAULT '',
`b` varchar(15) CHARACTER SET utf8mb4 NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t2;
drop table t1;
select 'c' like '\_' as want0;
want0
0
SELECT SUBSTR('вася',-2);
SUBSTR('вася',-2)
ся
create table t1 (id integer, a varchar(100) character set utf8mb4 collate utf8mb4_unicode_ci) engine MyISAM;
insert into t1 values (1, 'Test');
select * from t1 where soundex(a) = soundex('Test');
id a
1 Test
select * from t1 where soundex(a) = soundex('TEST');
id a
1 Test
select * from t1 where soundex(a) = soundex('test');
id a
1 Test
drop table t1;
select soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB);
soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB)
阅000
select hex(soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB));
hex(soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB))
E99885303030
select soundex(_utf8mb4 0xD091D092D093);
soundex(_utf8mb4 0xD091D092D093)
Б000
select hex(soundex(_utf8mb4 0xD091D092D093));
hex(soundex(_utf8mb4 0xD091D092D093))
D091303030
SET collation_connection='utf8mb4_general_ci';
create table t1 select repeat('a',4000) a;
delete from t1;
insert into t1 values ('a'), ('a '), ('a\t');
select collation(a),hex(a) from t1 order by a;
collation(a) hex(a)
utf8mb4_general_ci 6109
utf8mb4_general_ci 61
utf8mb4_general_ci 6120
drop table t1;
select @@collation_connection;
@@collation_connection
utf8mb4_general_ci
create table t1 ROW_FORMAT=DYNAMIC select repeat('a',50) as c1 ;
insert into t1 values('abcdef');
insert into t1 values('_bcdef');
insert into t1 values('a_cdef');
insert into t1 values('ab_def');
insert into t1 values('abc_ef');
insert into t1 values('abcd_f');
insert into t1 values('abcde_');
select c1 as c1u from t1 where c1 like 'ab\_def';
c1u
ab_def
select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
c2h
ab_def
drop table t1;
drop table if exists t1;
create table t1 as select repeat(' ', 64) as s1;
select collation(s1) from t1;
collation(s1)
utf8mb4_general_ci
delete from t1;
insert into t1 values ('a'),('ae'),(_latin1 0xE4);
insert into t1 values ('o'),('oe'),(_latin1 0xF6);
insert into t1 values ('s'),('ss'),(_latin1 0xDF);
insert into t1 values ('u'),('ue'),(_latin1 0xFC);
select s1, hex(s1) from t1 order by s1, binary s1;
s1 hex(s1)
a 61
ä C3A4
ae 6165
o 6F
ö C3B6
oe 6F65
s 73
ß C39F
ss 7373
u 75
ü C3BC
ue 7565
select group_concat(s1 order by binary s1) from t1 group by s1;
group_concat(s1 order by binary s1)
a,ä
ae
o,ö
oe
s,ß
ss
u,ü
ue
drop table t1;
SET collation_connection='utf8mb4_bin';
create table t1 select repeat('a',4000) a;
delete from t1;
insert into t1 values ('a'), ('a '), ('a\t');
select collation(a),hex(a) from t1 order by a;
collation(a) hex(a)
utf8mb4_bin 6109
utf8mb4_bin 61
utf8mb4_bin 6120
drop table t1;
select @@collation_connection;
@@collation_connection
utf8mb4_bin
create table t1 ROW_FORMAT=DYNAMIC select repeat('a',50) as c1 ;
insert into t1 values('abcdef');
insert into t1 values('_bcdef');
insert into t1 values('a_cdef');
insert into t1 values('ab_def');
insert into t1 values('abc_ef');
insert into t1 values('abcd_f');
insert into t1 values('abcde_');
select c1 as c1u from t1 where c1 like 'ab\_def';
c1u
ab_def
select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
c2h
ab_def
drop table t1;
CREATE TABLE t1 (
user varchar(255) NOT NULL default ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('one'),('two');
SELECT CHARSET('a');
CHARSET('a')
utf8mb4
SELECT user, CONCAT('<', user, '>') AS c FROM t1;
user c
one <one>
two <two>
DROP TABLE t1;
create table t1 (f1 varchar(1) not null) default charset utf8mb4 engine MyISAM;
insert into t1 values (''), ('');
select concat(concat(_latin1'->',f1),_latin1'<-') from t1;
concat(concat(_latin1'->',f1),_latin1'<-')
-><-
-><-
drop table t1;
select convert(_koi8r'' using utf8mb4) < convert(_koi8r'' using utf8mb4);
convert(_koi8r'?' using utf8mb4) < convert(_koi8r'?' using utf8mb4)
1
set names latin1;
create table t1 (a varchar(10)) character set utf8mb4 engine MyISAM;
insert into t1 values ('test');
select ifnull(a,'') from t1;
ifnull(a,'')
test
drop table t1;
select repeat(_utf8mb4'+',3) as h union select NULL;
h
+++
NULL
select ifnull(NULL, _utf8mb4'string');
ifnull(NULL, _utf8mb4'string')
string
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_lithuanian_ci) engine MyISAM;
insert into t1 values ('I'),('K'),('Y');
select * from t1 where s1 < 'K' and s1 = 'Y';
s1
I
Y
select * from t1 where 'K' > s1 and s1 = 'Y';
s1
I
Y
drop table t1;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_czech_ci) engine MyISAM;
insert into t1 values ('c'),('d'),('h'),('ch'),('CH'),('cH'),('Ch'),('i');
select * from t1 where s1 > 'd' and s1 = 'CH';
s1
CH
Ch
ch
select * from t1 where 'd' < s1 and s1 = 'CH';
s1
CH
Ch
ch
select * from t1 where s1 = 'cH' and s1 <> 'ch';
s1
cH
select * from t1 where 'cH' = s1 and s1 <> 'ch';
s1
cH
drop table t1;
create table t1 (a varchar(255)) default character set utf8mb4 engine MyISAM;
insert into t1 values (1.0);
drop table t1;
create table t1 (
id int not null,
city varchar(20) not null,
key (city(7),id)
) character set=utf8mb4 engine MyISAM;
insert into t1 values (1,'Durban North');
insert into t1 values (2,'Durban');
select * from t1 where city = 'Durban';
id city
2 Durban
select * from t1 where city = 'Durban ';
id city
2 Durban
drop table t1;
create table t1 (x set('A', 'B') default 0) character set utf8mb4 engine MyISAM;
ERROR 42000: Invalid default value for 'x'
create table t1 (x enum('A', 'B') default 0) character set utf8mb4 engine MyISAM;
ERROR 42000: Invalid default value for 'x'
SET NAMES UTF8;
CREATE TABLE t1 (
`id` int(20) NOT NULL auto_increment,
`country` varchar(100) NOT NULL default '',
`shortcode` varchar(100) NOT NULL default '',
`operator` varchar(100) NOT NULL default '',
`momid` varchar(30) NOT NULL default '',
`keyword` varchar(160) NOT NULL default '',
`content` varchar(160) NOT NULL default '',
`second_token` varchar(160) default NULL,
`gateway_id` int(11) NOT NULL default '0',
`created` datetime NOT NULL default '0000-00-00 00:00:00',
`msisdn` varchar(15) NOT NULL default '',
PRIMARY KEY (`id`),
UNIQUE KEY `MSCCSPK_20030521130957121` (`momid`),
KEY `IX_mobile_originated_message_keyword` (`keyword`),
KEY `IX_mobile_originated_message_created` (`created`),
KEY `IX_mobile_originated_message_support` (`msisdn`,`momid`,`keyword`,`gateway_id`,`created`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
INSERT INTO t1 VALUES
(1,'blah','464','aaa','fkc1c9ilc20x0hgae7lx6j09','ERR','ERR Имри.Афимим.Аеимимримдмримрмрирор имримримримр имридм ирбднримрфмририримрфмфмим.Ад.Д имдимримрад.Адимримримрмдиримримримр м.Дадимфшьмримд им.Адимимрн имадми','ИМРИ.АФИМИМ.АЕИМИМРИМДМРИМРМРИРОР',3,'2005-06-01 17:30:43','1234567890'),
(2,'blah','464','aaa','haxpl2ilc20x00bj4tt2m5ti','11','11 g','G',3,'2005-06-02 22:43:10','1234567890');
CREATE TABLE t2 (
`msisdn` varchar(15) NOT NULL default '',
`operator_id` int(11) NOT NULL default '0',
`created` datetime NOT NULL default '0000-00-00 00:00:00',
UNIQUE KEY `PK_user` (`msisdn`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
INSERT INTO t2 VALUES ('1234567890',2,'2005-05-24 13:53:25');
SELECT content, t2.msisdn FROM t1, t2 WHERE t1.msisdn = '1234567890';
content msisdn
ERR Имри.Афимим.Аеимимримдмримрмрирор имримримримр имридм ирбднримрфмририримрфмфмим.Ад.Д имдимримрад.Адимримримрмдиримримримр м.Дадимфшьмримд им.Адимимрн имадми 1234567890
11 g 1234567890
DROP TABLE t1,t2;
create table t1 (a char(20) character set utf8mb4) engine MyISAM;
insert into t1 values ('123456'),('андрей');
alter table t1 modify a char(2) character set utf8mb4;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
Warning 1265 Data truncated for column 'a' at row 2
select char_length(a), length(a), a from t1 order by a;
char_length(a) length(a) a
2 2 12
2 4 ан
drop table t1;
set names utf8mb4;
select 'andre%' like 'andreñ%' escape 'ñ';
'andre%' like 'andreñ%' escape 'ñ'
1
set names utf8mb4;
select 'a\\' like 'a\\';
'a\\' like 'a\\'
1
select 'aa\\' like 'a%\\';
'aa\\' like 'a%\\'
1
create table t1 (a char(10), key(a)) character set utf8mb4 engine MyISAM;
insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
select * from t1 where a like "abc%";
a
abc
abcd
select * from t1 where a like concat("abc","%");
a
abc
abcd
select * from t1 where a like "ABC%";
a
abc
abcd
select * from t1 where a like "test%";
a
test
select * from t1 where a like "te_t";
a
test
select * from t1 where a like "%a%";
a
a
abc
abcd
select * from t1 where a like "%abcd%";
a
abcd
select * from t1 where a like "%abc\d%";
a
abcd
drop table t1;
CREATE TABLE t1 (
a varchar(255) NOT NULL default '',
KEY a (a)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE utf8mb4_general_ci;
Warnings:
Warning 1071 Specified key was too long; max key length is 1000 bytes
insert into t1 values (_utf8mb4 0xe880bd);
insert into t1 values (_utf8mb4 0x5b);
select hex(a) from t1;
hex(a)
5B
E880BD
drop table t1;
set names 'latin1';
create table t1 (a varchar(255)) default charset=utf8mb4 engine MyISAM;
select * from t1 where find_in_set('-1', a);
a
drop table t1;
create table t1 (a int) engine MyISAM;
insert into t1 values (48),(49),(50);
set names utf8mb4;
select distinct char(a) from t1;
char(a)
0
1
2
drop table t1;
CREATE TABLE t1 (t TINYTEXT CHARACTER SET utf8mb4) ENGINE MyISAM;
INSERT INTO t1 VALUES(REPEAT('a', 100));
CREATE TEMPORARY TABLE t2 ENGINE MyISAM SELECT COALESCE(t) AS bug FROM t1;
SELECT LENGTH(bug) FROM t2;
LENGTH(bug)
100
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 (item varchar(255)) default character set utf8mb4 ENGINE MyISAM;
INSERT INTO t1 VALUES (N'\\');
INSERT INTO t1 VALUES (_utf8mb4'\\');
INSERT INTO t1 VALUES (N'Cote d\'Ivoire');
INSERT INTO t1 VALUES (_utf8mb4'Cote d\'Ivoire');
SELECT item FROM t1 ORDER BY item;
item
Cote d'Ivoire
Cote d'Ivoire
\
\
DROP TABLE t1;
SET NAMES utf8mb4;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 't1'
CREATE TABLE t1(a VARCHAR(255), KEY(a)) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
Warnings:
Warning 1071 Specified key was too long; max key length is 1000 bytes
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb');
INSERT INTO t1 VALUES('uu');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('uU');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('uu');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('uuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('UuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('uuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
alter table t1 add b int;
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',1);
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',2);
delete from t1 where b=1;
INSERT INTO t1 VALUES('UUABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',1);
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',3);
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',4);
delete from t1 where b=3;
INSERT INTO t1 VALUES('uUABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',3);
check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4) engine MyISAM;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_general_ci from t1 where s1 like 'ペテ%';
before_delete_general_ci
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_general_ci from t1 where s1 like 'ペテ%';
after_delete_general_ci
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_unicode_ci) engine MyISAM;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_unicode_ci from t1 where s1 like 'ペテ%';
before_delete_unicode_ci
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_unicode_ci from t1 where s1 like 'ペテ%';
after_delete_unicode_ci
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_bin) engine MyISAM;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_bin from t1 where s1 like 'ペテ%';
before_delete_bin
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_bin from t1 where s1 like 'ペテ%';
after_delete_bin
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=MyISAM default character set utf8mb4 collate utf8mb4_general_ci;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as gci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
gci1
さしすせそかきくけこあいうえお
select a as gci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
gci2
あいうえおかきくけこさしすせそ
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=MyISAM default character set utf8mb4 collate utf8mb4_unicode_ci;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as uci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
uci1
さしすせそかきくけこあいうえお
select a as uci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
uci2
あいうえおかきくけこさしすせそ
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=MyISAM default character set utf8mb4 collate utf8mb4_bin;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as bin1 from t1 where a like 'さしすせそかきくけこあいうえお%';
bin1
さしすせそかきくけこあいうえお
select a as bin2 from t1 where a like 'あいうえおかきくけこさしすせそ';
bin2
あいうえおかきくけこさしすせそ
drop table t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (id int PRIMARY KEY,
a varchar(16) collate utf8mb4_unicode_ci NOT NULL default '',
b int,
f varchar(128) default 'XXX',
INDEX (a(4))
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
INSERT INTO t1(id, a, b) VALUES
(1, 'cccc', 50), (2, 'cccc', 70), (3, 'cccc', 30),
(4, 'cccc', 30), (5, 'cccc', 20), (6, 'bbbbbb', 40),
(7, 'dddd', 30), (8, 'aaaa', 10), (9, 'aaaa', 50),
(10, 'eeeee', 40), (11, 'bbbbbb', 60);
SELECT id, a, b FROM t1;
id a b
1 cccc 50
10 eeeee 40
11 bbbbbb 60
2 cccc 70
3 cccc 30
4 cccc 30
5 cccc 20
6 bbbbbb 40
7 dddd 30
8 aaaa 10
9 aaaa 50
SELECT id, a, b FROM t1 WHERE a BETWEEN 'aaaa' AND 'bbbbbb';
id a b
11 bbbbbb 60
6 bbbbbb 40
8 aaaa 10
9 aaaa 50
SELECT id, a FROM t1 WHERE a='bbbbbb';
id a
11 bbbbbb
6 bbbbbb
SELECT id, a FROM t1 WHERE a='bbbbbb' ORDER BY b;
id a
6 bbbbbb
11 bbbbbb
DROP TABLE t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (
a CHAR(13) DEFAULT '',
INDEX(a)
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES
('Käli Käli 2-4'), ('Käli Käli 2-4'),
('Käli Käli 2+4'), ('Käli Käli 2+4'),
('Käli Käli 2-6'), ('Käli Käli 2-6');
INSERT INTO t1 SELECT * FROM t1;
CREATE TABLE t2 (
a CHAR(13) DEFAULT '',
INDEX(a)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
INSERT INTO t2 VALUES
('Kali Kali 2-4'), ('Kali Kali 2-4'),
('Kali Kali 2+4'), ('Kali Kali 2+4'),
('Kali Kali 2-6'), ('Kali Kali 2-6');
INSERT INTO t2 SELECT * FROM t2;
SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
a
Käli Käli 2+4
Käli Käli 2+4
Käli Käli 2+4
Käli Käli 2+4
SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
a
Kali Kali 2+4
Kali Kali 2+4
Kali Kali 2+4
Kali Kali 2+4
EXPLAIN SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 53 NULL 4 Using where; Using index
EXPLAIN SELECT a FROM t1 WHERE a = 'Käli Käli 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 53 const 4 Using where; Using index
EXPLAIN SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 14 NULL 4 Using where; Using index
EXPLAIN SELECT a FROM t2 WHERE a = 'Kali Kali 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref a a 14 const 4 Using where; Using index
DROP TABLE t1,t2;
CREATE TABLE t1 (
a char(255) DEFAULT '',
KEY(a(10))
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
DROP TABLE t1;
CREATE TABLE t1 (
a char(255) DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES ('Käli Käli 2-4');
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
ALTER TABLE t1 ADD KEY (a(10));
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
DROP TABLE t1;
SET NAMES latin2;
CREATE TABLE t1 (
id int(11) NOT NULL default '0',
tid int(11) NOT NULL default '0',
val text NOT NULL,
INDEX idx(tid, val(10))
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4;
INSERT INTO t1 VALUES
(40988,72,'VOLN ADSL'),(41009,72,'VOLN ADSL'),
(41032,72,'VOLN ADSL'),(41038,72,'VOLN ADSL'),
(41063,72,'VOLN ADSL'),(41537,72,'VOLN ADSL Office'),
(42141,72,'VOLN ADSL'),(42565,72,'VOLN ADSL Combi'),
(42749,72,'VOLN ADSL'),(44205,72,'VOLN ADSL');
SELECT * FROM t1 WHERE tid=72 and val LIKE 'VOLNY ADSL';
id tid val
40988 72 VOLN ADSL
41009 72 VOLN ADSL
41032 72 VOLN ADSL
41038 72 VOLN ADSL
41063 72 VOLN ADSL
42141 72 VOLN ADSL
42749 72 VOLN ADSL
44205 72 VOLN ADSL
SELECT * FROM t1 WHERE tid=72 and val LIKE 'VOLN ADSL';
id tid val
40988 72 VOLN ADSL
41009 72 VOLN ADSL
41032 72 VOLN ADSL
41038 72 VOLN ADSL
41063 72 VOLN ADSL
42141 72 VOLN ADSL
42749 72 VOLN ADSL
44205 72 VOLN ADSL
SELECT * FROM t1 WHERE tid=72 and val LIKE '%VOLN ADSL';
id tid val
40988 72 VOLN ADSL
41009 72 VOLN ADSL
41032 72 VOLN ADSL
41038 72 VOLN ADSL
41063 72 VOLN ADSL
42141 72 VOLN ADSL
42749 72 VOLN ADSL
44205 72 VOLN ADSL
ALTER TABLE t1 DROP KEY idx;
ALTER TABLE t1 ADD KEY idx (tid,val(11));
SELECT * FROM t1 WHERE tid=72 and val LIKE 'VOLN ADSL';
id tid val
40988 72 VOLN ADSL
41009 72 VOLN ADSL
41032 72 VOLN ADSL
41038 72 VOLN ADSL
41063 72 VOLN ADSL
42141 72 VOLN ADSL
42749 72 VOLN ADSL
44205 72 VOLN ADSL
DROP TABLE t1;
create table t1(a char(200) collate utf8mb4_unicode_ci NOT NULL default '')
default charset=utf8mb4 collate=utf8mb4_unicode_ci engine MyISAM;
insert into t1 values (unhex('65')), (unhex('C3A9')), (unhex('65'));
explain select distinct a from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using temporary
select distinct a from t1;
a
e
explain select a from t1 group by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using temporary; Using filesort
select a from t1 group by a;
a
e
drop table t1;
create table t1(a char(10)) default charset utf8mb4 engine MyISAM;
insert into t1 values ('123'), ('456');
explain
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE Y ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
1 SIMPLE Z ALL NULL NULL NULL NULL 2 Using where; Using join buffer
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
substr(Z.a,-1) a
3 123
6 456
drop table t1;
SET CHARACTER SET utf8mb4;
SHOW VARIABLES LIKE 'character\_set\_%';
Variable_name Value
character_set_client utf8mb4
character_set_connection latin1
character_set_database latin1
character_set_filesystem binary
character_set_results utf8mb4
character_set_server latin1
character_set_system utf8
CREATE DATABASE crashtest DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;
USE crashtest;
CREATE TABLE crashtest (crash char(10)) DEFAULT CHARSET=utf8mb4 ENGINE MyISAM;
INSERT INTO crashtest VALUES ('35'), ('36'), ('37');
SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
crash
35
36
37
INSERT INTO crashtest VALUES ('-1000');
EXPLAIN SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE crashtest ALL NULL NULL NULL NULL 4 Using filesort
SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
crash
-1000
35
36
37
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FFFFFC'
DROP TABLE crashtest;
DROP DATABASE crashtest;
USE test;
SET CHARACTER SET default;
CREATE TABLE t1(id varchar(20) NOT NULL) DEFAULT CHARSET=utf8mb4 ENGINE MyISAM;
INSERT INTO t1 VALUES ('xxx'), ('aa'), ('yyy'), ('aa');
SELECT id FROM t1;
id
aa
aa
xxx
yyy
SELECT DISTINCT id FROM t1;
id
aa
xxx
yyy
SELECT DISTINCT id FROM t1 ORDER BY id;
id
aa
xxx
yyy
DROP TABLE t1;
create table t1 (
a varchar(26) not null
) default character set utf8mb4 ENGINE MyISAM;
insert into t1 (a) values ('abcdefghijklmnopqrstuvwxyz');
select * from t1;
a
abcdefghijklmnopqrstuvwxyz
alter table t1 change a a varchar(20) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghijklmnopqrst
alter table t1 change a a char(15) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghijklmno
alter table t1 change a a char(10) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghij
alter table t1 change a a varchar(5) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcde
drop table t1;
create table t1 (
a varchar(4000) not null
) default character set utf8mb4 engine MyISAM;
insert into t1 values (repeat('a',4000));
alter table t1 change a a varchar(3000) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select length(a) from t1;
length(a)
3000
drop table t1;
set names utf8mb4;
select hex(char(1 using utf8mb4));
hex(char(1 using utf8mb4))
01
select char(0xd1,0x8f using utf8mb4);
char(0xd1,0x8f using utf8mb4)
я
select char(0xd18f using utf8mb4);
char(0xd18f using utf8mb4)
я
select char(53647 using utf8mb4);
char(53647 using utf8mb4)
я
select char(0xff,0x8f using utf8mb4);
char(0xff,0x8f using utf8mb4)
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select convert(char(0xff,0x8f) using utf8mb4);
convert(char(0xff,0x8f) using utf8mb4)
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
set sql_mode=traditional;
select char(0xff,0x8f using utf8mb4);
char(0xff,0x8f using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select char(195 using utf8mb4);
char(195 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'C3'
select char(196 using utf8mb4);
char(196 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'C4'
select char(2557 using utf8mb4);
char(2557 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FD'
select convert(char(0xff,0x8f) using utf8mb4);
convert(char(0xff,0x8f) using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select hex(convert(char(2557 using latin1) using utf8mb4));
hex(convert(char(2557 using latin1) using utf8mb4))
09C3BD
select hex(char(195));
hex(char(195))
C3
select hex(char(196));
hex(char(196))
C4
select hex(char(2557));
hex(char(2557))
09FD
set names utf8mb4;
create table t1 (a char(1)) default character set utf8mb4 engine MyISAM;
create table t2 (a char(1)) default character set utf8mb4 engine MyISAM;
insert into t1 values('a'),('a'),(0xE38182),(0xE38182);
insert into t1 values('i'),('i'),(0xE38184),(0xE38184);
select * from t1 union distinct select * from t2;
a
a
i
drop table t1,t2;
set names utf8mb4;
create table t1 (a char(10), b varchar(10)) engine MyISAM;
insert into t1 values ('bar','kostja');
insert into t1 values ('kostja','bar');
prepare my_stmt from "select * from t1 where a=?";
set @a:='bar';
execute my_stmt using @a;
a b
bar kostja
set @a:='kostja';
execute my_stmt using @a;
a b
kostja bar
set @a:=null;
execute my_stmt using @a;
a b
drop table if exists t1;
drop table if exists t1;
drop view if exists v1, v2;
set names utf8mb4;
create table t1(col1 varchar(12) character set utf8mb4 collate utf8mb4_unicode_ci) engine MyISAM;
insert into t1 values('t1_val');
create view v1 as select 'v1_val' as col1;
select coercibility(col1), collation(col1) from v1;
coercibility(col1) collation(col1)
4 utf8mb4_general_ci
create view v2 as select col1 from v1 union select col1 from t1;
select coercibility(col1), collation(col1)from v2;
coercibility(col1) collation(col1)
2 utf8mb4_unicode_ci
2 utf8mb4_unicode_ci
drop view v1, v2;
create view v1 as select 'v1_val' collate utf8mb4_swedish_ci as col1;
select coercibility(col1), collation(col1) from v1;
coercibility(col1) collation(col1)
0 utf8mb4_swedish_ci
create view v2 as select col1 from v1 union select col1 from t1;
select coercibility(col1), collation(col1) from v2;
coercibility(col1) collation(col1)
0 utf8mb4_swedish_ci
0 utf8mb4_swedish_ci
drop view v1, v2;
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine MyISAM;
insert into t1 values ('a',1);
select concat(a, if(b>10, N'x', N'y')) from t1;
concat(a, if(b>10, N'x', N'y'))
ay
select concat(a, if(b>10, N'æ', N'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine MyISAM;
insert into t1 values ('a',1);
select concat(a, if(b>10, _utf8mb4'x', _utf8mb4'y')) from t1;
concat(a, if(b>10, _utf8mb4'x', _utf8mb4'y'))
ay
select concat(a, if(b>10, _utf8mb4'æ', _utf8mb4'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine MyISAM;
insert into t1 values ('a',1);
select concat(a, if(b>10, _utf8mb4 0x78, _utf8mb4 0x79)) from t1;
concat(a, if(b>10, _utf8mb4 0x78, _utf8mb4 0x79))
ay
select concat(a, if(b>10, _utf8mb4 0xC3A6, _utf8mb4 0xC3AF)) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine MyISAM;
insert into t1 values ('a',1);
select concat(a, if(b>10, 'x' 'x', 'y' 'y')) from t1;
concat(a, if(b>10, 'x' 'x', 'y' 'y'))
ayy
select concat(a, if(b>10, 'x' 'æ', 'y' 'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
CREATE TABLE t1 (
colA int(11) NOT NULL,
colB varchar(255) character set utf8mb4 NOT NULL,
PRIMARY KEY (colA)
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t1 (colA, colB) VALUES (1, 'foo'), (2, 'foo bar');
CREATE TABLE t2 (
colA int(11) NOT NULL,
colB varchar(255) character set utf8mb4 NOT NULL,
KEY bad (colA,colB(3))
) ENGINE=MyISAM DEFAULT CHARSET=latin1;
INSERT INTO t2 (colA, colB) VALUES (1, 'foo'),(2, 'foo bar');
SELECT * FROM t1 JOIN t2 ON t1.colA=t2.colA AND t1.colB=t2.colB
WHERE t1.colA < 3;
colA colB colA colB
1 foo 1 foo
2 foo bar 2 foo bar
DROP TABLE t1, t2;
SELECT 'н1234567890' UNION SELECT _binary '1';
н1234567890
н1234567890
1
SELECT 'н1234567890' UNION SELECT 1;
н1234567890
н1234567890
1
SELECT '1' UNION SELECT 'н1234567890';
1
1
н1234567890
SELECT 1 UNION SELECT 'н1234567890';
1
1
н1234567890
CREATE TABLE t1 (c VARCHAR(11)) CHARACTER SET utf8mb4 ENGINE MyISAM;
CREATE TABLE t2 (b CHAR(1) CHARACTER SET binary, i INT) ENGINE MyISAM;
INSERT INTO t1 (c) VALUES ('н1234567890');
INSERT INTO t2 (b, i) VALUES ('1', 1);
SELECT c FROM t1 UNION SELECT b FROM t2;
c
н1234567890
1
SELECT c FROM t1 UNION SELECT i FROM t2;
c
н1234567890
1
SELECT b FROM t2 UNION SELECT c FROM t1;
b
1
н1234567890
SELECT i FROM t2 UNION SELECT c FROM t1;
i
1
н1234567890
DROP TABLE t1, t2;
set sql_mode=traditional;
select hex(char(0xFF using utf8mb4));
hex(char(0xFF using utf8mb4))
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(convert(0xFF using utf8mb4));
hex(convert(0xFF using utf8mb4))
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 0x616263FF);
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 B'001111111111');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select (_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
set sql_mode=default;
select hex(char(0xFF using utf8mb4));
hex(char(0xFF using utf8mb4))
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(convert(0xFF using utf8mb4));
hex(convert(0xFF using utf8mb4))
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 0x616263FF);
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 B'001111111111');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select (_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL) ENGINE MyISAM;
INSERT INTO t1 VALUES (70000, 1092), (70001, 1085), (70002, 1065);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
ALTER TABLE t1 ADD UNIQUE (b);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
DROP INDEX b ON t1;
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
ALTER TABLE t1 ADD INDEX (b);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) from t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
DROP TABLE t1;
#
# Bug#26474: Add Sinhala script (Sri Lanka) collation to MySQL
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
predicted_order int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE MyISAM;
INSERT INTO t1 VALUES (19, x'E0B696'), (30, x'E0B69AE0B798'), (61, x'E0B6AF'), (93, x'E0B799'), (52, x'E0B6A6'), (73, x'E0B6BBE0B78AE2808D'), (3, x'E0B686'), (56, x'E0B6AA'), (55, x'E0B6A9'), (70, x'E0B6B9'), (94, x'E0B79A'), (80, x'E0B785'), (25, x'E0B69AE0B791'), (48, x'E0B6A2'), (13, x'E0B690'), (86, x'E0B793'), (91, x'E0B79F'), (81, x'E0B786'), (79, x'E0B784'), (14, x'E0B691'), (99, x'E0B78A'), (8, x'E0B68B'), (68, x'E0B6B7'), (22, x'E0B69A'), (16, x'E0B693'), (33, x'E0B69AE0B7B3'), (38, x'E0B69AE0B79D'), (21, x'E0B683'), (11, x'E0B68E'), (77, x'E0B782'), (40, x'E0B69AE0B78A'), (101, x'E0B78AE2808DE0B6BB'), (35, x'E0B69AE0B79A'), (1, x'E0B7B4'), (9, x'E0B68C'), (96, x'E0B79C'), (6, x'E0B689'), (95, x'E0B79B'), (88, x'E0B796'), (64, x'E0B6B3'), (26, x'E0B69AE0B792'), (82, x'E0B78F'), (28, x'E0B69AE0B794'), (39, x'E0B69AE0B79E'), (97, x'E0B79D'), (2, x'E0B685'), (75, x'E0B780'), (34, x'E0B69AE0B799'), (69, x'E0B6B8'), (83, x'E0B790'), (18, x'E0B695'), (90, x'E0B7B2'), (17, x'E0B694'), (72, x'E0B6BB'), (66, x'E0B6B5'), (59, x'E0B6AD'), (44, x'E0B69E'), (15, x'E0B692'), (23, x'E0B69AE0B78F'), (65, x'E0B6B4'), (42, x'E0B69C'), (63, x'E0B6B1'), (85, x'E0B792'), (47, x'E0B6A1'), (49, x'E0B6A3'), (92, x'E0B7B3'), (78, x'E0B783'), (36, x'E0B69AE0B79B'), (4, x'E0B687'), (24, x'E0B69AE0B790'), (87, x'E0B794'), (37, x'E0B69AE0B79C'), (32, x'E0B69AE0B79F'), (29, x'E0B69AE0B796'), (43, x'E0B69D'), (62, x'E0B6B0'), (100, x'E0B78AE2808DE0B6BA'), (60, x'E0B6AE'), (45, x'E0B69F'), (12, x'E0B68F'), (46, x'E0B6A0'), (50, x'E0B6A5'), (51, x'E0B6A4'), (5, x'E0B688'), (76, x'E0B781'), (89, x'E0B798'), (74, x'E0B6BD'), (10, x'E0B68D'), (57, x'E0B6AB'), (71, x'E0B6BA'), (58, x'E0B6AC'), (27, x'E0B69AE0B793'), (54, x'E0B6A8'), (84, x'E0B791'), (31, x'E0B69AE0B7B2'), (98, x'E0B79E'), (53, x'E0B6A7'), (41, x'E0B69B'), (67, x'E0B6B6'), (7, x'E0B68A'), (20, x'E0B682');
SELECT predicted_order, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLATE utf8mb4_sinhala_ci;
predicted_order hex(utf8mb4_encoding)
1 E0B7B4
2 E0B685
3 E0B686
4 E0B687
5 E0B688
6 E0B689
7 E0B68A
8 E0B68B
9 E0B68C
10 E0B68D
11 E0B68E
12 E0B68F
13 E0B690
14 E0B691
15 E0B692
16 E0B693
17 E0B694
18 E0B695
19 E0B696
20 E0B682
21 E0B683
22 E0B69A
23 E0B69AE0B78F
24 E0B69AE0B790
25 E0B69AE0B791
26 E0B69AE0B792
27 E0B69AE0B793
28 E0B69AE0B794
29 E0B69AE0B796
30 E0B69AE0B798
31 E0B69AE0B7B2
32 E0B69AE0B79F
33 E0B69AE0B7B3
34 E0B69AE0B799
35 E0B69AE0B79A
36 E0B69AE0B79B
37 E0B69AE0B79C
38 E0B69AE0B79D
39 E0B69AE0B79E
40 E0B69AE0B78A
41 E0B69B
42 E0B69C
43 E0B69D
44 E0B69E
45 E0B69F
46 E0B6A0
47 E0B6A1
48 E0B6A2
49 E0B6A3
50 E0B6A5
51 E0B6A4
52 E0B6A6
53 E0B6A7
54 E0B6A8
55 E0B6A9
56 E0B6AA
57 E0B6AB
58 E0B6AC
59 E0B6AD
60 E0B6AE
61 E0B6AF
62 E0B6B0
63 E0B6B1
64 E0B6B3
65 E0B6B4
66 E0B6B5
67 E0B6B6
68 E0B6B7
69 E0B6B8
70 E0B6B9
71 E0B6BA
72 E0B6BB
73 E0B6BBE0B78AE2808D
74 E0B6BD
75 E0B780
76 E0B781
77 E0B782
78 E0B783
79 E0B784
80 E0B785
81 E0B786
82 E0B78F
83 E0B790
84 E0B791
85 E0B792
86 E0B793
87 E0B794
88 E0B796
89 E0B798
90 E0B7B2
91 E0B79F
92 E0B7B3
93 E0B799
94 E0B79A
95 E0B79B
96 E0B79C
97 E0B79D
98 E0B79E
99 E0B78A
100 E0B78AE2808DE0B6BA
101 E0B78AE2808DE0B6BB
DROP TABLE t1;
#
# Bug#32914 Character sets: illegal characters in utf8mb4 and utf32 columns
#
create table t1 (utf8mb4 char(1) character set utf8mb4) engine MyISAM;
Testing [F0][90..BF][80..BF][80..BF]
insert into t1 values (0xF0908080);
insert into t1 values (0xF0BFBFBF);
insert into t1 values (0xF08F8080);
Warnings:
Warning 1366 Incorrect string value: '\xF0\x8F\x80\x80' for column 'utf8mb4' at row 1
select hex(utf8mb4) from t1;
hex(utf8mb4)
F0908080
F0BFBFBF
delete from t1;
Testing [F2..F3][80..BF][80..BF][80..BF]
insert into t1 values (0xF2808080);
insert into t1 values (0xF2BFBFBF);
select hex(utf8mb4) from t1;
hex(utf8mb4)
F2808080
F2BFBFBF
delete from t1;
Testing [F4][80..8F][80..BF][80..BF]
insert into t1 values (0xF4808080);
insert into t1 values (0xF48F8080);
insert into t1 values (0xF4908080);
Warnings:
Warning 1366 Incorrect string value: '\xF4\x90\x80\x80' for column 'utf8mb4' at row 1
select hex(utf8mb4) from t1;
hex(utf8mb4)
F4808080
F48F8080
drop table t1;
#
# Check strnxfrm() with odd length
#
set max_sort_length=5;
select @@max_sort_length;
@@max_sort_length
5
create table t1 (a varchar(128) character set utf8mb4 collate utf8mb4_general_ci) engine MyISAM;
insert into t1 values ('a'),('b'),('c');
select * from t1 order by a;
a
a
b
c
alter table t1 modify a varchar(128) character set utf8mb4 collate utf8mb4_bin;
select * from t1 order by a;
a
a
b
c
drop table t1;
set max_sort_length=default;
#
# Bug#26180: Can't add columns to tables created with utf8mb4 text indexes
#
CREATE TABLE t1 (
clipid INT NOT NULL,
Tape TINYTEXT,
PRIMARY KEY (clipid),
KEY tape(Tape(255))
) CHARACTER SET=utf8mb4 ENGINE MyISAM;
Warnings:
Warning 1071 Specified key was too long; max key length is 1000 bytes
ALTER TABLE t1 ADD mos TINYINT DEFAULT 0 AFTER clipid;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`clipid` int(11) NOT NULL,
`mos` tinyint(4) DEFAULT '0',
`Tape` tinytext,
PRIMARY KEY (`clipid`),
KEY `tape` (`Tape`(250))
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4
DROP TABLE t1;
#
# Testing 4-byte values.
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE MyISAM;
INSERT INTO t1 VALUES (119040, x'f09d8480'),
# G CLEF
(119070, x'f09d849e'),
# HALF NOTE
(119134, x'f09d859e'),
# MUSICAL SYMBOL CROIX
(119247, x'f09d878f'),
# MATHEMATICAL BOLD ITALIC CAPITAL DELTA
(120607, x'f09d9c9f'),
# SANS-SERIF BOLD ITALIC CAPITAL PI
(120735, x'f09d9e9f'),
# <Plane 16 Private Use, Last> (last 4 byte character)
(1114111, x'f48fbfbf'),
# VARIATION SELECTOR-256
(917999, x'f3a087af');
INSERT INTO t1 VALUES (119070, x'f09d849ef09d859ef09d859ef09d8480f09d859ff09d859ff09d859ff09d85a0f09d85a0f09d8480');
INSERT INTO t1 VALUES (65131, x'efb9abf09d849ef09d859ef09d859ef09d8480f09d859fefb9abefb9abf09d85a0efb9ab');
INSERT INTO t1 VALUES (119070, x'f09d849ef09d859ef09d859ef09d8480f09d859ff09d859ff09d859ff09d85a0f09d85a0f09d8480f09d85a0');
Warnings:
Warning 1265 Data truncated for column 'utf8mb4_encoding' at row 1
SELECT u_decimal, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLATE utf8mb4_general_ci, BINARY utf8mb4_encoding;
u_decimal hex(utf8mb4_encoding)
1114111 F48FBFBF
119040 F09D8480
119070 F09D849E
119070 F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
119070 F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
119134 F09D859E
119247 F09D878F
120607 F09D9C9F
120735 F09D9E9F
65131 EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9AB
917999 F3A087AF
INSERT INTO t1 VALUES (1114111, x'f5808080');
Warnings:
Warning 1366 Incorrect string value: '\xF5\x80\x80\x80' for column 'utf8mb4_encoding' at row 1
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't1' AND column_name= 'utf8mb4_encoding';
character_maximum_length character_octet_length
10 40
DROP TABLE IF EXISTS t2;
CREATE TABLE t2 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb3 ENGINE MyISAM;
INSERT INTO t2 VALUES (42856, x'ea9da8');
INSERT INTO t2 VALUES (65131, x'efb9ab');
INSERT INTO t2 VALUES (1114111, x'f48fbfbf');
Warnings:
Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBF' for column 'utf8mb3_encoding' at row 1
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't2' AND column_name= 'utf8mb3_encoding';
character_maximum_length character_octet_length
10 30
UPDATE t2 SET utf8mb3_encoding= x'f48fbfbd' where u_decimal= 42856;
Warnings:
Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBD' for column 'utf8mb3_encoding' at row 1
UPDATE t2 SET utf8mb3_encoding= _utf8mb4 x'ea9da8' where u_decimal= 42856;
SELECT HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8')) FROM t1;
HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8'))
EA9DA8
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEA9DA8
F09D8480EA9DA8
F09D849EEA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D859EEA9DA8
F09D878FEA9DA8
F09D9C9FEA9DA8
F09D9E9FEA9DA8
F3A087AFEA9DA8
F48FBFBFEA9DA8
SELECT HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding)) FROM t1,t2;
HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding))
EA9DA8
EFB9AB
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9AB
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEA9DA8
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEFB9AB
F09D8480
F09D8480EA9DA8
F09D8480EFB9AB
F09D849E
F09D849EEA9DA8
F09D849EEFB9AB
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EFB9AB
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EFB9AB
F09D859E
F09D859EEA9DA8
F09D859EEFB9AB
F09D878F
F09D878FEA9DA8
F09D878FEFB9AB
F09D9C9F
F09D9C9FEA9DA8
F09D9C9FEFB9AB
F09D9E9F
F09D9E9FEA9DA8
F09D9E9FEFB9AB
F3A087AF
F3A087AFEA9DA8
F3A087AFEFB9AB
F48FBFBF
F48FBFBFEA9DA8
F48FBFBFEFB9AB
SELECT count(*) FROM t1, t2
WHERE t1.utf8mb4_encoding > t2.utf8mb3_encoding;
count(*)
33
ALTER TABLE t1 CONVERT TO CHARACTER SET utf8;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding),utf8mb4_encoding FROM t1;
u_decimal hex(utf8mb4_encoding) utf8mb4_encoding
1114111
1114111 3F ?
119040 3F ?
119070 3F ?
119070 3F3F3F3F3F3F3F3F3F3F ??????????
119070 3F3F3F3F3F3F3F3F3F3F ??????????
119134 3F ?
119247 3F ?
120607 3F ?
120735 3F ?
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB ﹫?????﹫﹫?﹫
917999 3F ?
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8mb4
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb3;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb3;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
u_decimal hex(utf8mb4_encoding)
1114111
1114111 3F
119040 3F
119070 3F
119070 3F3F3F3F3F3F3F3F3F3F
119070 3F3F3F3F3F3F3F3F3F3F
119134 3F
119247 3F
120607 3F
120735 3F
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB
917999 3F
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
u_decimal hex(utf8mb4_encoding)
1114111
1114111 3F
119040 3F
119070 3F
119070 3F3F3F3F3F3F3F3F3F3F
119070 3F3F3F3F3F3F3F3F3F3F
119134 3F
119247 3F
120607 3F
120735 3F
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB
917999 3F
ALTER TABLE t2 MODIFY utf8mb3_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
DROP TABLE IF EXISTS t3;
CREATE TABLE t3 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8 ENGINE MyISAM;
INSERT INTO t3 SELECT * FROM t1;
DROP TABLE IF EXISTS t4;
CREATE TABLE t4 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE MyISAM;
INSERT INTO t3 SELECT * FROM t2;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
#
# Testing that mixing utf8 and utf8mb4 collations returns utf8mb4
#
SELECT CHARSET(CONCAT(_utf8mb4'a',_utf8'b'));
CHARSET(CONCAT(_utf8mb4'a',_utf8'b'))
utf8mb4
CREATE TABLE t1 (utf8mb4 VARCHAR(10) CHARACTER SET utf8mb4 NOT NULL) ENGINE MyISAM;
INSERT INTO t1 VALUES (x'ea9da8'),(x'f48fbfbf');
SELECT CONCAT(utf8mb4, _utf8 x'ea9da8') FROM t1 LIMIT 0;
CONCAT(utf8mb4, _utf8 x'ea9da8')
CREATE TABLE t2 (utf8mb3 VARCHAR(10) CHARACTER SET utf8mb3 NOT NULL) ENGINE MyISAM;
INSERT INTO t2 VALUES (x'ea9da8');
SELECT HEX(CONCAT(utf8mb4, utf8mb3)) FROM t1,t2 ORDER BY 1;
HEX(CONCAT(utf8mb4, utf8mb3))
EA9DA8EA9DA8
F48FBFBFEA9DA8
SELECT CHARSET(CONCAT(utf8mb4, utf8mb3)) FROM t1, t2 LIMIT 1;
CHARSET(CONCAT(utf8mb4, utf8mb3))
utf8mb4
CREATE TEMPORARY TABLE t3 ENGINE MyISAM AS SELECT *, concat(utf8mb4,utf8mb3) FROM t1, t2;
SHOW CREATE TABLE t3;
Table Create Table
t3 CREATE TEMPORARY TABLE `t3` (
`utf8mb4` varchar(10) CHARACTER SET utf8mb4 NOT NULL,
`utf8mb3` varchar(10) CHARACTER SET utf8 NOT NULL,
`concat(utf8mb4,utf8mb3)` varchar(20) CHARACTER SET utf8mb4 NOT NULL DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TEMPORARY TABLE t3;
SELECT * FROM t1, t2 WHERE t1.utf8mb4 > t2.utf8mb3;
utf8mb4 utf8mb3
􏿿 Ꝩ
SELECT * FROM t1, t2 WHERE t1.utf8mb4 = t2.utf8mb3;
utf8mb4 utf8mb3
Ꝩ Ꝩ
SELECT * FROM t1, t2 WHERE t1.utf8mb4 < t2.utf8mb3;
utf8mb4 utf8mb3
DROP TABLE t1;
DROP TABLE t2;
#
# Check that mixing utf8mb4 with an invalid utf8 constant returns error
#
CREATE TABLE t1 (utf8mb4 VARCHAR(10) CHARACTER SET utf8mb4) ENGINE MyISAM;
INSERT INTO t1 VALUES (x'f48fbfbf');
SELECT CONCAT(utf8mb4, _utf8 '') FROM t1;
ERROR HY000: Illegal mix of collations (utf8mb4_general_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'concat'
SELECT CONCAT('a', _utf8 '') FROM t1;
ERROR HY000: Illegal mix of collations (utf8mb4_general_ci,COERCIBLE) and (utf8_general_ci,COERCIBLE) for operation 'concat'
DROP TABLE t1;
#
# End of 5.5 tests
#
#
# End of tests
#
drop table if exists t1,t2;
#
# Start of 5.5 tests
#
set names utf8mb4;
select left(_utf8mb4 0xD0B0D0B1D0B2,1);
left(_utf8mb4 0xD0B0D0B1D0B2,1)
а
select right(_utf8mb4 0xD0B0D0B2D0B2,1);
right(_utf8mb4 0xD0B0D0B2D0B2,1)
в
select locate('he','hello');
locate('he','hello')
1
select locate('he','hello',2);
locate('he','hello',2)
0
select locate('lo','hello',2);
locate('lo','hello',2)
4
select locate('HE','hello');
locate('HE','hello')
1
select locate('HE','hello',2);
locate('HE','hello',2)
0
select locate('LO','hello',2);
locate('LO','hello',2)
4
select locate('HE','hello' collate utf8mb4_bin);
locate('HE','hello' collate utf8mb4_bin)
0
select locate('HE','hello' collate utf8mb4_bin,2);
locate('HE','hello' collate utf8mb4_bin,2)
0
select locate('LO','hello' collate utf8mb4_bin,2);
locate('LO','hello' collate utf8mb4_bin,2)
0
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D0B1D0B2);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D0B1D0B2)
2
select locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2);
locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2)
2
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2)
2
select locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2 collate utf8mb4_bin);
locate(_utf8mb4 0xD091, _utf8mb4 0xD0B0D0B1D0B2 collate utf8mb4_bin)
0
select locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2 collate utf8mb4_bin);
locate(_utf8mb4 0xD0B1, _utf8mb4 0xD0B0D091D0B2 collate utf8mb4_bin)
0
select length(_utf8mb4 0xD0B1), bit_length(_utf8mb4 0xD0B1), char_length(_utf8mb4 0xD0B1);
length(_utf8mb4 0xD0B1) bit_length(_utf8mb4 0xD0B1) char_length(_utf8mb4 0xD0B1)
2 16 1
select 'a' like 'a';
'a' like 'a'
1
select 'A' like 'a';
'A' like 'a'
1
select 'A' like 'a' collate utf8mb4_bin;
'A' like 'a' collate utf8mb4_bin
0
select _utf8mb4 0xD0B0D0B1D0B2 like concat(_utf8mb4'%',_utf8mb4 0xD0B1,_utf8mb4 '%');
_utf8mb4 0xD0B0D0B1D0B2 like concat(_utf8mb4'%',_utf8mb4 0xD0B1,_utf8mb4 '%')
1
select convert(_latin1'Gnter Andr' using utf8mb4) like CONVERT(_latin1'GNTER%' USING utf8mb4);
convert(_latin1'G?nter Andr?' using utf8mb4) like CONVERT(_latin1'G?NTER%' USING utf8mb4)
1
select CONVERT(_koi8r'' USING utf8mb4) LIKE CONVERT(_koi8r'' USING utf8mb4);
CONVERT(_koi8r'????' USING utf8mb4) LIKE CONVERT(_koi8r'????' USING utf8mb4)
1
select CONVERT(_koi8r'' USING utf8mb4) LIKE CONVERT(_koi8r'' USING utf8mb4);
CONVERT(_koi8r'????' USING utf8mb4) LIKE CONVERT(_koi8r'????' USING utf8mb4)
1
SELECT 'a' = 'a ';
'a' = 'a '
1
SELECT 'a\0' < 'a';
'a\0' < 'a'
1
SELECT 'a\0' < 'a ';
'a\0' < 'a '
1
SELECT 'a\t' < 'a';
'a\t' < 'a'
1
SELECT 'a\t' < 'a ';
'a\t' < 'a '
1
SELECT 'a' = 'a ' collate utf8mb4_bin;
'a' = 'a ' collate utf8mb4_bin
1
SELECT 'a\0' < 'a' collate utf8mb4_bin;
'a\0' < 'a' collate utf8mb4_bin
1
SELECT 'a\0' < 'a ' collate utf8mb4_bin;
'a\0' < 'a ' collate utf8mb4_bin
1
SELECT 'a\t' < 'a' collate utf8mb4_bin;
'a\t' < 'a' collate utf8mb4_bin
1
SELECT 'a\t' < 'a ' collate utf8mb4_bin;
'a\t' < 'a ' collate utf8mb4_bin
1
CREATE TABLE t1 (a char(10) character set utf8mb4 not null) ENGINE ndb;
INSERT INTO t1 VALUES ('a'),('a\0'),('a\t'),('a ');
SELECT hex(a),STRCMP(a,'a'), STRCMP(a,'a ') FROM t1;
hex(a) STRCMP(a,'a') STRCMP(a,'a ')
61 0 0
61 0 0
6100 -1 -1
6109 -1 -1
DROP TABLE t1;
select insert('txs',2,1,'hi'),insert('is ',4,0,'a'),insert('txxxxt',2,4,'es');
insert('txs',2,1,'hi') insert('is ',4,0,'a') insert('txxxxt',2,4,'es')
this is a test
select insert("aa",100,1,"b"),insert("aa",1,3,"b");
insert("aa",100,1,"b") insert("aa",1,3,"b")
aa b
select char_length(left(@a:='тест',5)), length(@a), @a;
char_length(left(@a:='тест',5)) length(@a) @a
4 8 тест
create table t1 ENGINE ndb select date_format("2004-01-19 10:10:10", "%Y-%m-%d");
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`date_format("2004-01-19 10:10:10", "%Y-%m-%d")` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
select * from t1;
date_format("2004-01-19 10:10:10", "%Y-%m-%d")
2004-01-19
drop table t1;
set names utf8mb4;
set LC_TIME_NAMES='fr_FR';
create table t1 (s1 char(20) character set latin1) engine ndb;
insert into t1 values (date_format('2004-02-02','%M'));
select hex(s1) from t1;
hex(s1)
66E97672696572
drop table t1;
create table t1 (s1 char(20) character set koi8r) engine ndb;
set LC_TIME_NAMES='ru_RU';
insert into t1 values (date_format('2004-02-02','%M'));
insert into t1 values (date_format('2004-02-02','%b'));
insert into t1 values (date_format('2004-02-02','%W'));
insert into t1 values (date_format('2004-02-02','%a'));
select hex(s1), s1 from t1;
hex(s1) s1
E6C5D7 Фев
E6C5D7D2C1CCD1 Февраля
F0CEC4 Пнд
F0CFCEC5C4C5CCD8CEC9CB Понедельник
drop table t1;
set LC_TIME_NAMES='en_US';
set names koi8r;
create table t1 (s1 char(1) character set utf8mb4) engine ndb;
insert into t1 values (_koi8r'');
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select s1,hex(s1),char_length(s1),octet_length(s1) from t1;
s1 hex(s1) char_length(s1) octet_length(s1)
D0B0 1 2
drop table t1;
create table t1 (s1 tinytext character set utf8mb4) engine ndb;
Warnings:
Warning 1478 Table storage engine 'ndbcluster' does not support the create option 'Binlog of table with BLOB attribute and no PK'
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',300);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161616161
61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F
D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61D18F61
D18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18F
D18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18FD18F
select length(s1),char_length(s1) from t1;
length(s1) char_length(s1)
254 127
254 127
255 170
255 170
255 255
drop table t1;
create table t1 (s1 text character set utf8mb4) engine ndb;
Warnings:
Warning 1478 Table storage engine 'ndbcluster' does not support the create option 'Binlog of table with BLOB attribute and no PK'
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('a',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
insert into t1 select repeat('',66000);
Warnings:
Warning 1265 Data truncated for column 's1' at row 1
select length(s1),char_length(s1) from t1;
length(s1) char_length(s1)
65534 32767
65534 32767
65535 43690
65535 43690
65535 65535
drop table t1;
create table t1 (s1 char(10) character set utf8mb4) engine ndb;
insert into t1 values (0x41FF);
Warnings:
Warning 1366 Incorrect string value: '\xFF' for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
41
drop table t1;
create table t1 (s1 varchar(10) character set utf8mb4) engine ndb;
insert into t1 values (0x41FF);
Warnings:
Warning 1366 Incorrect string value: '\xFF' for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
41
drop table t1;
create table t1 (s1 text character set utf8mb4) engine ndb;
Warnings:
Warning 1478 Table storage engine 'ndbcluster' does not support the create option 'Binlog of table with BLOB attribute and no PK'
insert into t1 values (0x41FF);
Warnings:
Warning 1366 Incorrect string value: '\xFF' for column 's1' at row 1
select hex(s1) from t1;
hex(s1)
41
drop table t1;
create table t1 (a text character set utf8mb4, primary key(a(371))) engine ndb;
ERROR 42000: BLOB column 'a' can't be used in key specification with the used table type
CREATE TABLE t1 ( a varchar(10) ) CHARACTER SET utf8mb4 ENGINE ndb;
INSERT INTO t1 VALUES ( 'test' );
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = b.a;
a a
test test
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = 'test' and b.a = 'test';
a a
test test
SELECT a.a, b.a FROM t1 a, t1 b WHERE a.a = b.a and a.a = 'test';
a a
test test
DROP TABLE t1;
create table t1 (a char(255) character set utf8mb4) engine ndb;
insert into t1 values('b'),('b');
select * from t1 where a = 'b';
a
b
b
select * from t1 where a = 'b' and a = 'b';
a
b
b
select * from t1 where a = 'b' and a != 'b';
a
drop table t1;
set collation_connection=utf8mb4_general_ci;
drop table if exists t1;
create table t1 as
select repeat(' ', 64) as s1, repeat(' ',64) as s2
union
select null, null;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`s1` varchar(64) CHARACTER SET utf8mb4 DEFAULT NULL,
`s2` varchar(64) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
delete from t1;
insert into t1 values('aaa','aaa');
insert into t1 values('aaa|qqq','qqq');
insert into t1 values('gheis','^[^a-dXYZ]+$');
insert into t1 values('aab','^aa?b');
insert into t1 values('Baaan','^Ba*n');
insert into t1 values('aaa','qqq|aaa');
insert into t1 values('qqq','qqq|aaa');
insert into t1 values('bbb','qqq|aaa');
insert into t1 values('bbb','qqq');
insert into t1 values('aaa','aba');
insert into t1 values(null,'abc');
insert into t1 values('def',null);
insert into t1 values(null,null);
insert into t1 values('ghi','ghi[');
select HIGH_PRIORITY s1 regexp s2 from t1;
s1 regexp s2
1
1
1
1
1
1
1
0
0
0
NULL
NULL
NULL
NULL
drop table t1;
set names utf8mb4;
set names utf8mb4;
select 'вася' rlike '[[:<:]]вася[[:>:]]';
'вася' rlike '[[:<:]]вася[[:>:]]'
1
select 'вася ' rlike '[[:<:]]вася[[:>:]]';
'вася ' rlike '[[:<:]]вася[[:>:]]'
1
select ' вася' rlike '[[:<:]]вася[[:>:]]';
' вася' rlike '[[:<:]]вася[[:>:]]'
1
select ' вася ' rlike '[[:<:]]вася[[:>:]]';
' вася ' rlike '[[:<:]]вася[[:>:]]'
1
select 'васяz' rlike '[[:<:]]вася[[:>:]]';
'васяz' rlike '[[:<:]]вася[[:>:]]'
0
select 'zвася' rlike '[[:<:]]вася[[:>:]]';
'zвася' rlike '[[:<:]]вася[[:>:]]'
0
select 'zвасяz' rlike '[[:<:]]вася[[:>:]]';
'zвасяz' rlike '[[:<:]]вася[[:>:]]'
0
CREATE TABLE t1 (a enum ('Y', 'N') DEFAULT 'N' COLLATE utf8mb4_unicode_ci) ENGINE ndb;
ALTER TABLE t1 ADD COLUMN b CHAR(20);
DROP TABLE t1;
set names utf8mb4;
create table t1 (a enum('aaaa','проба') character set utf8mb4) engine ndb;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` enum('aaaa','проба') CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
insert into t1 values ('проба');
select * from t1;
a
проба
create table t2 engine ndb select ifnull(a,a) from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`ifnull(a,a)` varchar(5) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
select * from t2;
ifnull(a,a)
проба
drop table t1;
drop table t2;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine=ndb;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str (str(2))
) engine=ndb;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
create table t1 (
str varchar(255) character set utf8mb4 not null,
key str using btree (str(2))
) engine=ndb;
INSERT INTO t1 VALUES ('str');
INSERT INTO t1 VALUES ('str2');
select * from t1 where str='str';
str
str
drop table t1;
CREATE TABLE t1 (a varchar(32) BINARY) CHARACTER SET utf8mb4 ENGINE ndb;
INSERT INTO t1 VALUES ('test');
SELECT a FROM t1 WHERE a LIKE '%te';
a
DROP TABLE t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (
subject varchar(255) character set utf8mb4 collate utf8mb4_unicode_ci,
p varchar(15) character set utf8mb4
) ENGINE= ndb DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('谷川俊二と申しますが、インターネット予約の会員登録をしましたところ、メールアドレスを間違えてしまい会員IDが受け取ることが出来ませんでした。間違えアドレスはtani-shun@n.vodafone.ne.jpを書き込みました。どうすればよいですか? その他、住所等は間違えありません。連絡ください。よろしくお願いします。m(__)m','040312-000057');
INSERT INTO t1 VALUES ('aaa','bbb');
SELECT length(subject) FROM t1;
length(subject)
3
432
SELECT length(subject) FROM t1 ORDER BY 1;
length(subject)
3
432
DROP TABLE t1;
set names utf8mb4;
create table t1 (
a int primary key,
b varchar(6),
index b3(b(3))
) engine=ndb character set=utf8mb4;
insert into t1 values(1,'foo'),(2,'foobar');
select * from t1 where b like 'foob%';
a b
2 foobar
alter table t1 engine=innodb;
select * from t1 where b like 'foob%';
a b
2 foobar
drop table t1;
create table t1 (
a enum('петя','вася','анюта') character set utf8mb4 not null default 'анюта',
b set('петя','вася','анюта') character set utf8mb4 not null default 'анюта'
) engine ndb;
create table t2 engine ndb select concat(a,_utf8mb4'') as a, concat(b,_utf8mb4'')as b from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` varchar(5) CHARACTER SET utf8mb4 NOT NULL DEFAULT '',
`b` varchar(15) CHARACTER SET utf8mb4 NOT NULL DEFAULT ''
) ENGINE=ndbcluster DEFAULT CHARSET=latin1
drop table t2;
drop table t1;
select 'c' like '\_' as want0;
want0
0
SELECT SUBSTR('вася',-2);
SUBSTR('вася',-2)
ся
create table t1 (id integer, a varchar(100) character set utf8mb4 collate utf8mb4_unicode_ci) engine ndb;
insert into t1 values (1, 'Test');
select * from t1 where soundex(a) = soundex('Test');
id a
1 Test
select * from t1 where soundex(a) = soundex('TEST');
id a
1 Test
select * from t1 where soundex(a) = soundex('test');
id a
1 Test
drop table t1;
select soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB);
soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB)
阅000
select hex(soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB));
hex(soundex(_utf8mb4 0xE99885E8A788E99A8FE697B6E69BB4E696B0E79A84E696B0E997BB))
E99885303030
select soundex(_utf8mb4 0xD091D092D093);
soundex(_utf8mb4 0xD091D092D093)
Б000
select hex(soundex(_utf8mb4 0xD091D092D093));
hex(soundex(_utf8mb4 0xD091D092D093))
D091303030
SET collation_connection='utf8mb4_general_ci';
create table t1 select repeat('a',4000) a;
delete from t1;
insert into t1 values ('a'), ('a '), ('a\t');
select collation(a),hex(a) from t1 order by a;
collation(a) hex(a)
utf8mb4_general_ci 6109
utf8mb4_general_ci 61
utf8mb4_general_ci 6120
drop table t1;
select @@collation_connection;
@@collation_connection
utf8mb4_general_ci
create table t1 ROW_FORMAT=DYNAMIC select repeat('a',50) as c1 ;
insert into t1 values('abcdef');
insert into t1 values('_bcdef');
insert into t1 values('a_cdef');
insert into t1 values('ab_def');
insert into t1 values('abc_ef');
insert into t1 values('abcd_f');
insert into t1 values('abcde_');
select c1 as c1u from t1 where c1 like 'ab\_def';
c1u
ab_def
select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
c2h
ab_def
drop table t1;
drop table if exists t1;
create table t1 as select repeat(' ', 64) as s1;
select collation(s1) from t1;
collation(s1)
utf8mb4_general_ci
delete from t1;
insert into t1 values ('a'),('ae'),(_latin1 0xE4);
insert into t1 values ('o'),('oe'),(_latin1 0xF6);
insert into t1 values ('s'),('ss'),(_latin1 0xDF);
insert into t1 values ('u'),('ue'),(_latin1 0xFC);
select s1, hex(s1) from t1 order by s1, binary s1;
s1 hex(s1)
a 61
ä C3A4
ae 6165
o 6F
ö C3B6
oe 6F65
s 73
ß C39F
ss 7373
u 75
ü C3BC
ue 7565
select group_concat(s1 order by binary s1) from t1 group by s1;
group_concat(s1 order by binary s1)
a,ä
ae
o,ö
oe
s,ß
ss
u,ü
ue
drop table t1;
SET collation_connection='utf8mb4_bin';
create table t1 select repeat('a',4000) a;
delete from t1;
insert into t1 values ('a'), ('a '), ('a\t');
select collation(a),hex(a) from t1 order by a;
collation(a) hex(a)
utf8mb4_bin 6109
utf8mb4_bin 61
utf8mb4_bin 6120
drop table t1;
select @@collation_connection;
@@collation_connection
utf8mb4_bin
create table t1 ROW_FORMAT=DYNAMIC select repeat('a',50) as c1 ;
insert into t1 values('abcdef');
insert into t1 values('_bcdef');
insert into t1 values('a_cdef');
insert into t1 values('ab_def');
insert into t1 values('abc_ef');
insert into t1 values('abcd_f');
insert into t1 values('abcde_');
select c1 as c1u from t1 where c1 like 'ab\_def';
c1u
ab_def
select c1 as c2h from t1 where c1 like 'ab#_def' escape '#';
c2h
ab_def
drop table t1;
CREATE TABLE t1 (
user varchar(255) NOT NULL default ''
) ENGINE=ndb DEFAULT CHARSET=latin1;
INSERT INTO t1 VALUES ('one'),('two');
SELECT CHARSET('a');
CHARSET('a')
utf8mb4
SELECT user, CONCAT('<', user, '>') AS c FROM t1;
user c
one <one>
two <two>
DROP TABLE t1;
create table t1 (f1 varchar(1) not null) default charset utf8mb4 engine ndb;
insert into t1 values (''), ('');
select concat(concat(_latin1'->',f1),_latin1'<-') from t1;
concat(concat(_latin1'->',f1),_latin1'<-')
-><-
-><-
drop table t1;
select convert(_koi8r'' using utf8mb4) < convert(_koi8r'' using utf8mb4);
convert(_koi8r'?' using utf8mb4) < convert(_koi8r'?' using utf8mb4)
1
set names latin1;
create table t1 (a varchar(10)) character set utf8mb4 engine ndb;
insert into t1 values ('test');
select ifnull(a,'') from t1;
ifnull(a,'')
test
drop table t1;
select repeat(_utf8mb4'+',3) as h union select NULL;
h
+++
NULL
select ifnull(NULL, _utf8mb4'string');
ifnull(NULL, _utf8mb4'string')
string
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_lithuanian_ci) engine ndb;
insert into t1 values ('I'),('K'),('Y');
select * from t1 where s1 < 'K' and s1 = 'Y';
s1
I
Y
select * from t1 where 'K' > s1 and s1 = 'Y';
s1
I
Y
drop table t1;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_czech_ci) engine ndb;
insert into t1 values ('c'),('d'),('h'),('ch'),('CH'),('cH'),('Ch'),('i');
select * from t1 where s1 > 'd' and s1 = 'CH';
s1
CH
Ch
ch
select * from t1 where 'd' < s1 and s1 = 'CH';
s1
CH
Ch
ch
select * from t1 where s1 = 'cH' and s1 <> 'ch';
s1
cH
select * from t1 where 'cH' = s1 and s1 <> 'ch';
s1
cH
drop table t1;
create table t1 (a varchar(255)) default character set utf8mb4 engine ndb;
insert into t1 values (1.0);
drop table t1;
create table t1 (
id int not null,
city varchar(20) not null,
key (city(7),id)
) character set=utf8mb4 engine ndb;
insert into t1 values (1,'Durban North');
insert into t1 values (2,'Durban');
select * from t1 where city = 'Durban';
id city
2 Durban
select * from t1 where city = 'Durban ';
id city
2 Durban
drop table t1;
create table t1 (x set('A', 'B') default 0) character set utf8mb4 engine ndb;
ERROR 42000: Invalid default value for 'x'
create table t1 (x enum('A', 'B') default 0) character set utf8mb4 engine ndb;
ERROR 42000: Invalid default value for 'x'
SET NAMES UTF8;
CREATE TABLE t1 (
`id` int(20) NOT NULL auto_increment,
`country` varchar(100) NOT NULL default '',
`shortcode` varchar(100) NOT NULL default '',
`operator` varchar(100) NOT NULL default '',
`momid` varchar(30) NOT NULL default '',
`keyword` varchar(160) NOT NULL default '',
`content` varchar(160) NOT NULL default '',
`second_token` varchar(160) default NULL,
`gateway_id` int(11) NOT NULL default '0',
`created` datetime NOT NULL default '0000-00-00 00:00:00',
`msisdn` varchar(15) NOT NULL default '',
PRIMARY KEY (`id`),
UNIQUE KEY `MSCCSPK_20030521130957121` (`momid`),
KEY `IX_mobile_originated_message_keyword` (`keyword`),
KEY `IX_mobile_originated_message_created` (`created`),
KEY `IX_mobile_originated_message_support` (`msisdn`,`momid`,`keyword`,`gateway_id`,`created`)
) ENGINE=ndb DEFAULT CHARSET=utf8mb4;
INSERT INTO t1 VALUES
(1,'blah','464','aaa','fkc1c9ilc20x0hgae7lx6j09','ERR','ERR Имри.Афимим.Аеимимримдмримрмрирор имримримримр имридм ирбднримрфмририримрфмфмим.Ад.Д имдимримрад.Адимримримрмдиримримримр м.Дадимфшьмримд им.Адимимрн имадми','ИМРИ.АФИМИМ.АЕИМИМРИМДМРИМРМРИРОР',3,'2005-06-01 17:30:43','1234567890'),
(2,'blah','464','aaa','haxpl2ilc20x00bj4tt2m5ti','11','11 g','G',3,'2005-06-02 22:43:10','1234567890');
CREATE TABLE t2 (
`msisdn` varchar(15) NOT NULL default '',
`operator_id` int(11) NOT NULL default '0',
`created` datetime NOT NULL default '0000-00-00 00:00:00',
UNIQUE KEY `PK_user` (`msisdn`)
) ENGINE=ndb DEFAULT CHARSET=utf8mb4;
INSERT INTO t2 VALUES ('1234567890',2,'2005-05-24 13:53:25');
SELECT content, t2.msisdn FROM t1, t2 WHERE t1.msisdn = '1234567890';
content msisdn
ERR Имри.Афимим.Аеимимримдмримрмрирор имримримримр имридм ирбднримрфмририримрфмфмим.Ад.Д имдимримрад.Адимримримрмдиримримримр м.Дадимфшьмримд им.Адимимрн имадми 1234567890
11 g 1234567890
DROP TABLE t1,t2;
create table t1 (a char(20) character set utf8mb4) engine ndb;
insert into t1 values ('123456'),('андрей');
alter table t1 modify a char(2) character set utf8mb4;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
Warning 1265 Data truncated for column 'a' at row 2
select char_length(a), length(a), a from t1 order by a;
char_length(a) length(a) a
2 2 12
2 4 ан
drop table t1;
set names utf8mb4;
select 'andre%' like 'andreñ%' escape 'ñ';
'andre%' like 'andreñ%' escape 'ñ'
1
set names utf8mb4;
select 'a\\' like 'a\\';
'a\\' like 'a\\'
1
select 'aa\\' like 'a%\\';
'aa\\' like 'a%\\'
1
create table t1 (a char(10), key(a)) character set utf8mb4 engine ndb;
insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");
select * from t1 where a like "abc%";
a
abc
abcd
select * from t1 where a like concat("abc","%");
a
abc
abcd
select * from t1 where a like "ABC%";
a
abc
abcd
select * from t1 where a like "test%";
a
test
select * from t1 where a like "te_t";
a
test
select * from t1 where a like "%a%";
a
a
abc
abcd
select * from t1 where a like "%abcd%";
a
abcd
select * from t1 where a like "%abc\d%";
a
abcd
drop table t1;
CREATE TABLE t1 (
a varchar(255) NOT NULL default '',
KEY a (a)
) ENGINE=ndb DEFAULT CHARSET=utf8mb4 COLLATE utf8mb4_general_ci;
insert into t1 values (_utf8mb4 0xe880bd);
insert into t1 values (_utf8mb4 0x5b);
select hex(a) from t1;
hex(a)
5B
E880BD
drop table t1;
set names 'latin1';
create table t1 (a varchar(255)) default charset=utf8mb4 engine ndb;
select * from t1 where find_in_set('-1', a);
a
drop table t1;
create table t1 (a int) engine ndb;
insert into t1 values (48),(49),(50);
set names utf8mb4;
select distinct char(a) from t1;
char(a)
0
1
2
drop table t1;
CREATE TABLE t1 (t TINYTEXT CHARACTER SET utf8mb4) ENGINE ndb;
Warnings:
Warning 1478 Table storage engine 'ndbcluster' does not support the create option 'Binlog of table with BLOB attribute and no PK'
INSERT INTO t1 VALUES(REPEAT('a', 100));
CREATE TABLE t2 ENGINE ndb SELECT COALESCE(t) AS bug FROM t1;
Warnings:
Warning 1478 Table storage engine 'ndbcluster' does not support the create option 'Binlog of table with BLOB attribute and no PK'
SELECT LENGTH(bug) FROM t2;
LENGTH(bug)
100
DROP TABLE t2;
DROP TABLE t1;
CREATE TABLE t1 (item varchar(255)) default character set utf8mb4 ENGINE ndb;
INSERT INTO t1 VALUES (N'\\');
INSERT INTO t1 VALUES (_utf8mb4'\\');
INSERT INTO t1 VALUES (N'Cote d\'Ivoire');
INSERT INTO t1 VALUES (_utf8mb4'Cote d\'Ivoire');
SELECT item FROM t1 ORDER BY item;
item
Cote d'Ivoire
Cote d'Ivoire
\
\
DROP TABLE t1;
SET NAMES utf8mb4;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 't1'
CREATE TABLE t1(a VARCHAR(255), KEY(a)) ENGINE=ndb DEFAULT CHARSET=utf8mb4;
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb');
INSERT INTO t1 VALUES('uu');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('uU');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('uu');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('uuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('UuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('uuABC');
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
alter table t1 add b int;
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',1);
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',2);
delete from t1 where b=1;
INSERT INTO t1 VALUES('UUABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',1);
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',3);
INSERT INTO t1 VALUES('uuABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',4);
delete from t1 where b=3;
INSERT INTO t1 VALUES('uUABCDEFGHIGKLMNOPRSTUVWXYZ̈bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb',3);
check table t1;
Table Op Msg_type Msg_text
test.t1 check note The storage engine for the table doesn't support check
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4) engine ndb;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_general_ci from t1 where s1 like 'ペテ%';
before_delete_general_ci
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_general_ci from t1 where s1 like 'ペテ%';
after_delete_general_ci
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_unicode_ci) engine ndb;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_unicode_ci from t1 where s1 like 'ペテ%';
before_delete_unicode_ci
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_unicode_ci from t1 where s1 like 'ペテ%';
after_delete_unicode_ci
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (s1 char(5) character set utf8mb4 collate utf8mb4_bin) engine ndb;
insert into t1 values
('a'),('b'),(null),('ペテルグル'),('ü'),('Y');
create index it1 on t1 (s1);
select s1 as before_delete_bin from t1 where s1 like 'ペテ%';
before_delete_bin
ペテルグル
delete from t1 where s1 = 'Y';
select s1 as after_delete_bin from t1 where s1 like 'ペテ%';
after_delete_bin
ペテルグル
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=ndb default character set utf8mb4 collate utf8mb4_general_ci;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as gci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
gci1
さしすせそかきくけこあいうえお
select a as gci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
gci2
あいうえおかきくけこさしすせそ
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=ndb default character set utf8mb4 collate utf8mb4_unicode_ci;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as uci1 from t1 where a like 'さしすせそかきくけこあいうえお%';
uci1
さしすせそかきくけこあいうえお
select a as uci2 from t1 where a like 'あいうえおかきくけこさしすせそ';
uci2
あいうえおかきくけこさしすせそ
drop table t1;
set names utf8mb4;
create table t1 (a varchar(30) not null primary key)
engine=ndb default character set utf8mb4 collate utf8mb4_bin;
insert into t1 values ('あいうえおかきくけこさしすせそ');
insert into t1 values ('さしすせそかきくけこあいうえお');
select a as bin1 from t1 where a like 'さしすせそかきくけこあいうえお%';
bin1
さしすせそかきくけこあいうえお
select a as bin2 from t1 where a like 'あいうえおかきくけこさしすせそ';
bin2
あいうえおかきくけこさしすせそ
drop table t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (id int PRIMARY KEY,
a varchar(16) collate utf8mb4_unicode_ci NOT NULL default '',
b int,
f varchar(128) default 'XXX',
INDEX (a(4))
) ENGINE=ndb DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
INSERT INTO t1(id, a, b) VALUES
(1, 'cccc', 50), (2, 'cccc', 70), (3, 'cccc', 30),
(4, 'cccc', 30), (5, 'cccc', 20), (6, 'bbbbbb', 40),
(7, 'dddd', 30), (8, 'aaaa', 10), (9, 'aaaa', 50),
(10, 'eeeee', 40), (11, 'bbbbbb', 60);
SELECT id, a, b FROM t1;
id a b
1 cccc 50
10 eeeee 40
11 bbbbbb 60
2 cccc 70
3 cccc 30
4 cccc 30
5 cccc 20
6 bbbbbb 40
7 dddd 30
8 aaaa 10
9 aaaa 50
SELECT id, a, b FROM t1 WHERE a BETWEEN 'aaaa' AND 'bbbbbb';
id a b
11 bbbbbb 60
6 bbbbbb 40
8 aaaa 10
9 aaaa 50
SELECT id, a FROM t1 WHERE a='bbbbbb';
id a
11 bbbbbb
6 bbbbbb
SELECT id, a FROM t1 WHERE a='bbbbbb' ORDER BY b;
id a
6 bbbbbb
11 bbbbbb
DROP TABLE t1;
SET NAMES utf8mb4;
CREATE TABLE t1 (
a CHAR(13) DEFAULT '',
INDEX(a)
) ENGINE=ndb DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES
('Käli Käli 2-4'), ('Käli Käli 2-4'),
('Käli Käli 2+4'), ('Käli Käli 2+4'),
('Käli Käli 2-6'), ('Käli Käli 2-6');
INSERT INTO t1 SELECT * FROM t1;
CREATE TABLE t2 (
a CHAR(13) DEFAULT '',
INDEX(a)
) ENGINE=ndb DEFAULT CHARSET=latin1 COLLATE=latin1_general_ci;
INSERT INTO t2 VALUES
('Kali Kali 2-4'), ('Kali Kali 2-4'),
('Kali Kali 2+4'), ('Kali Kali 2+4'),
('Kali Kali 2-6'), ('Kali Kali 2-6');
INSERT INTO t2 SELECT * FROM t2;
SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
a
Käli Käli 2+4
Käli Käli 2+4
Käli Käli 2+4
Käli Käli 2+4
SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
a
Kali Kali 2+4
Kali Kali 2+4
Kali Kali 2+4
Kali Kali 2+4
EXPLAIN SELECT a FROM t1 WHERE a LIKE 'Käli Käli 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range a a 53 NULL 10 Using where with pushed condition
EXPLAIN SELECT a FROM t1 WHERE a = 'Käli Käli 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref a a 53 const 10 Using where with pushed condition
EXPLAIN SELECT a FROM t2 WHERE a LIKE 'Kali Kali 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range a a 14 NULL 10 Using where with pushed condition
EXPLAIN SELECT a FROM t2 WHERE a = 'Kali Kali 2+4';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 ref a a 14 const 10 Using where with pushed condition
DROP TABLE t1,t2;
CREATE TABLE t1 (
a char(255) DEFAULT '',
KEY(a(10))
) ENGINE=ndb DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
DROP TABLE t1;
CREATE TABLE t1 (
a char(255) DEFAULT ''
) ENGINE=ndb DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
INSERT INTO t1 VALUES ('Käli Käli 2-4');
INSERT INTO t1 VALUES ('Käli Käli 2-4');
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
ALTER TABLE t1 ADD KEY (a(10));
SELECT * FROM t1 WHERE a LIKE 'Käli Käli 2%';
a
Käli Käli 2-4
Käli Käli 2-4
DROP TABLE t1;
SET NAMES latin2;
create table t1(a char(200) collate utf8mb4_unicode_ci NOT NULL default '')
default charset=utf8mb4 collate=utf8mb4_unicode_ci engine ndb;
insert into t1 values (unhex('65')), (unhex('C3A9')), (unhex('65'));
explain select distinct a from t1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using temporary
select distinct a from t1;
a
e
explain select a from t1 group by a;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using temporary; Using filesort
select a from t1 group by a;
a
e
drop table t1;
create table t1(a char(10)) default charset utf8mb4 engine ndb;
insert into t1 values ('123'), ('456');
explain
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE Y ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
1 SIMPLE Z ALL NULL NULL NULL NULL 2 Using where; Using join buffer
select substr(Z.a,-1), Z.a from t1 as Y join t1 as Z on Y.a=Z.a order by 1;
substr(Z.a,-1) a
3 123
6 456
drop table t1;
SET CHARACTER SET utf8mb4;
SHOW VARIABLES LIKE 'character\_set\_%';
Variable_name Value
character_set_client utf8mb4
character_set_connection latin1
character_set_database latin1
character_set_filesystem binary
character_set_results utf8mb4
character_set_server latin1
character_set_system utf8
CREATE DATABASE crashtest DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_bin;
USE crashtest;
CREATE TABLE crashtest (crash char(10)) DEFAULT CHARSET=utf8mb4 ENGINE ndb;
INSERT INTO crashtest VALUES ('35'), ('36'), ('37');
SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
crash
35
36
37
INSERT INTO crashtest VALUES ('-1000');
EXPLAIN SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE crashtest ALL NULL NULL NULL NULL 4 Using filesort
SELECT * FROM crashtest ORDER BY CHAR(crash USING utf8mb4);
crash
-1000
35
36
37
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FFFFFC'
DROP TABLE crashtest;
DROP DATABASE crashtest;
USE test;
SET CHARACTER SET default;
CREATE TABLE t1(id varchar(20) NOT NULL) DEFAULT CHARSET=utf8mb4 ENGINE ndb;
INSERT INTO t1 VALUES ('xxx'), ('aa'), ('yyy'), ('aa');
SELECT id FROM t1;
id
aa
aa
xxx
yyy
SELECT DISTINCT id FROM t1;
id
aa
xxx
yyy
SELECT DISTINCT id FROM t1 ORDER BY id;
id
aa
xxx
yyy
DROP TABLE t1;
create table t1 (
a varchar(26) not null
) default character set utf8mb4 ENGINE ndb;
insert into t1 (a) values ('abcdefghijklmnopqrstuvwxyz');
select * from t1;
a
abcdefghijklmnopqrstuvwxyz
alter table t1 change a a varchar(20) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghijklmnopqrst
alter table t1 change a a char(15) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghijklmno
alter table t1 change a a char(10) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcdefghij
alter table t1 change a a varchar(5) character set utf8mb4 not null;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
select * from t1;
a
abcde
drop table t1;
set names utf8mb4;
select hex(char(1 using utf8mb4));
hex(char(1 using utf8mb4))
01
select char(0xd1,0x8f using utf8mb4);
char(0xd1,0x8f using utf8mb4)
я
select char(0xd18f using utf8mb4);
char(0xd18f using utf8mb4)
я
select char(53647 using utf8mb4);
char(53647 using utf8mb4)
я
select char(0xff,0x8f using utf8mb4);
char(0xff,0x8f using utf8mb4)
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select convert(char(0xff,0x8f) using utf8mb4);
convert(char(0xff,0x8f) using utf8mb4)
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
set sql_mode=traditional;
select char(0xff,0x8f using utf8mb4);
char(0xff,0x8f using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select char(195 using utf8mb4);
char(195 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'C3'
select char(196 using utf8mb4);
char(196 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'C4'
select char(2557 using utf8mb4);
char(2557 using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FD'
select convert(char(0xff,0x8f) using utf8mb4);
convert(char(0xff,0x8f) using utf8mb4)
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF8F'
select hex(convert(char(2557 using latin1) using utf8mb4));
hex(convert(char(2557 using latin1) using utf8mb4))
09C3BD
select hex(char(195));
hex(char(195))
C3
select hex(char(196));
hex(char(196))
C4
select hex(char(2557));
hex(char(2557))
09FD
set names utf8mb4;
create table t1 (a char(1)) default character set utf8mb4 engine ndb;
create table t2 (a char(1)) default character set utf8mb4 engine ndb;
insert into t1 values('a'),('a'),(0xE38182),(0xE38182);
insert into t1 values('i'),('i'),(0xE38184),(0xE38184);
select * from t1 union distinct select * from t2;
a
a
i
drop table t1,t2;
set names utf8mb4;
create table t1 (a char(10), b varchar(10)) engine ndb;
insert into t1 values ('bar','kostja');
insert into t1 values ('kostja','bar');
prepare my_stmt from "select * from t1 where a=?";
set @a:='bar';
execute my_stmt using @a;
a b
bar kostja
set @a:='kostja';
execute my_stmt using @a;
a b
kostja bar
set @a:=null;
execute my_stmt using @a;
a b
drop table if exists t1;
drop table if exists t1;
drop view if exists v1, v2;
set names utf8mb4;
create table t1(col1 varchar(12) character set utf8mb4 collate utf8mb4_unicode_ci) engine ndb;
insert into t1 values('t1_val');
create view v1 as select 'v1_val' as col1;
select coercibility(col1), collation(col1) from v1;
coercibility(col1) collation(col1)
4 utf8mb4_general_ci
create view v2 as select col1 from v1 union select col1 from t1;
select coercibility(col1), collation(col1)from v2;
coercibility(col1) collation(col1)
2 utf8mb4_unicode_ci
2 utf8mb4_unicode_ci
drop view v1, v2;
create view v1 as select 'v1_val' collate utf8mb4_swedish_ci as col1;
select coercibility(col1), collation(col1) from v1;
coercibility(col1) collation(col1)
0 utf8mb4_swedish_ci
create view v2 as select col1 from v1 union select col1 from t1;
select coercibility(col1), collation(col1) from v2;
coercibility(col1) collation(col1)
0 utf8mb4_swedish_ci
0 utf8mb4_swedish_ci
drop view v1, v2;
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine ndb;
insert into t1 values ('a',1);
select concat(a, if(b>10, N'x', N'y')) from t1;
concat(a, if(b>10, N'x', N'y'))
ay
select concat(a, if(b>10, N'æ', N'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine ndb;
insert into t1 values ('a',1);
select concat(a, if(b>10, _utf8mb4'x', _utf8mb4'y')) from t1;
concat(a, if(b>10, _utf8mb4'x', _utf8mb4'y'))
ay
select concat(a, if(b>10, _utf8mb4'æ', _utf8mb4'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine ndb;
insert into t1 values ('a',1);
select concat(a, if(b>10, _utf8mb4 0x78, _utf8mb4 0x79)) from t1;
concat(a, if(b>10, _utf8mb4 0x78, _utf8mb4 0x79))
ay
select concat(a, if(b>10, _utf8mb4 0xC3A6, _utf8mb4 0xC3AF)) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
set names utf8mb4;
create table t1 (a varchar(10) character set latin1, b int) engine ndb;
insert into t1 values ('a',1);
select concat(a, if(b>10, 'x' 'x', 'y' 'y')) from t1;
concat(a, if(b>10, 'x' 'x', 'y' 'y'))
ayy
select concat(a, if(b>10, 'x' 'æ', 'y' 'ß')) from t1;
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation 'concat'
drop table t1;
CREATE TABLE t1 (
colA int(11) NOT NULL,
colB varchar(255) character set utf8mb4 NOT NULL,
PRIMARY KEY (colA)
) ENGINE=ndb DEFAULT CHARSET=latin1;
INSERT INTO t1 (colA, colB) VALUES (1, 'foo'), (2, 'foo bar');
CREATE TABLE t2 (
colA int(11) NOT NULL,
colB varchar(255) character set utf8mb4 NOT NULL,
KEY bad (colA,colB(3))
) ENGINE=ndb DEFAULT CHARSET=latin1;
INSERT INTO t2 (colA, colB) VALUES (1, 'foo'),(2, 'foo bar');
SELECT * FROM t1 JOIN t2 ON t1.colA=t2.colA AND t1.colB=t2.colB
WHERE t1.colA < 3;
colA colB colA colB
1 foo 1 foo
2 foo bar 2 foo bar
DROP TABLE t1, t2;
SELECT 'н1234567890' UNION SELECT _binary '1';
н1234567890
н1234567890
1
SELECT 'н1234567890' UNION SELECT 1;
н1234567890
н1234567890
1
SELECT '1' UNION SELECT 'н1234567890';
1
1
н1234567890
SELECT 1 UNION SELECT 'н1234567890';
1
1
н1234567890
CREATE TABLE t1 (c VARCHAR(11)) CHARACTER SET utf8mb4 ENGINE ndb;
CREATE TABLE t2 (b CHAR(1) CHARACTER SET binary, i INT) ENGINE ndb;
INSERT INTO t1 (c) VALUES ('н1234567890');
INSERT INTO t2 (b, i) VALUES ('1', 1);
SELECT c FROM t1 UNION SELECT b FROM t2;
c
н1234567890
1
SELECT c FROM t1 UNION SELECT i FROM t2;
c
н1234567890
1
SELECT b FROM t2 UNION SELECT c FROM t1;
b
1
н1234567890
SELECT i FROM t2 UNION SELECT c FROM t1;
i
1
н1234567890
DROP TABLE t1, t2;
set sql_mode=traditional;
select hex(char(0xFF using utf8mb4));
hex(char(0xFF using utf8mb4))
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(convert(0xFF using utf8mb4));
hex(convert(0xFF using utf8mb4))
NULL
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 0x616263FF);
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 B'001111111111');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select (_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
set sql_mode=default;
select hex(char(0xFF using utf8mb4));
hex(char(0xFF using utf8mb4))
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(convert(0xFF using utf8mb4));
hex(convert(0xFF using utf8mb4))
Warnings:
Warning 1300 Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 0x616263FF);
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select hex(_utf8mb4 B'001111111111');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
select (_utf8mb4 X'616263FF');
ERROR HY000: Invalid utf8mb4 character string: 'FF'
CREATE TABLE t1 (a INT NOT NULL, b INT NOT NULL) ENGINE ndb;
INSERT INTO t1 VALUES (70000, 1092), (70001, 1085), (70002, 1065);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
ALTER TABLE t1 ADD UNIQUE (b);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
DROP INDEX b ON t1;
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) FROM t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
ALTER TABLE t1 ADD INDEX (b);
SELECT CONVERT(a, CHAR), CONVERT(b, CHAR) from t1 GROUP BY b;
CONVERT(a, CHAR) CONVERT(b, CHAR)
70000 1092
70001 1085
70002 1065
DROP TABLE t1;
#
# Bug#26474: Add Sinhala script (Sri Lanka) collation to MySQL
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
predicted_order int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE ndb;
INSERT INTO t1 VALUES (19, x'E0B696'), (30, x'E0B69AE0B798'), (61, x'E0B6AF'), (93, x'E0B799'), (52, x'E0B6A6'), (73, x'E0B6BBE0B78AE2808D'), (3, x'E0B686'), (56, x'E0B6AA'), (55, x'E0B6A9'), (70, x'E0B6B9'), (94, x'E0B79A'), (80, x'E0B785'), (25, x'E0B69AE0B791'), (48, x'E0B6A2'), (13, x'E0B690'), (86, x'E0B793'), (91, x'E0B79F'), (81, x'E0B786'), (79, x'E0B784'), (14, x'E0B691'), (99, x'E0B78A'), (8, x'E0B68B'), (68, x'E0B6B7'), (22, x'E0B69A'), (16, x'E0B693'), (33, x'E0B69AE0B7B3'), (38, x'E0B69AE0B79D'), (21, x'E0B683'), (11, x'E0B68E'), (77, x'E0B782'), (40, x'E0B69AE0B78A'), (101, x'E0B78AE2808DE0B6BB'), (35, x'E0B69AE0B79A'), (1, x'E0B7B4'), (9, x'E0B68C'), (96, x'E0B79C'), (6, x'E0B689'), (95, x'E0B79B'), (88, x'E0B796'), (64, x'E0B6B3'), (26, x'E0B69AE0B792'), (82, x'E0B78F'), (28, x'E0B69AE0B794'), (39, x'E0B69AE0B79E'), (97, x'E0B79D'), (2, x'E0B685'), (75, x'E0B780'), (34, x'E0B69AE0B799'), (69, x'E0B6B8'), (83, x'E0B790'), (18, x'E0B695'), (90, x'E0B7B2'), (17, x'E0B694'), (72, x'E0B6BB'), (66, x'E0B6B5'), (59, x'E0B6AD'), (44, x'E0B69E'), (15, x'E0B692'), (23, x'E0B69AE0B78F'), (65, x'E0B6B4'), (42, x'E0B69C'), (63, x'E0B6B1'), (85, x'E0B792'), (47, x'E0B6A1'), (49, x'E0B6A3'), (92, x'E0B7B3'), (78, x'E0B783'), (36, x'E0B69AE0B79B'), (4, x'E0B687'), (24, x'E0B69AE0B790'), (87, x'E0B794'), (37, x'E0B69AE0B79C'), (32, x'E0B69AE0B79F'), (29, x'E0B69AE0B796'), (43, x'E0B69D'), (62, x'E0B6B0'), (100, x'E0B78AE2808DE0B6BA'), (60, x'E0B6AE'), (45, x'E0B69F'), (12, x'E0B68F'), (46, x'E0B6A0'), (50, x'E0B6A5'), (51, x'E0B6A4'), (5, x'E0B688'), (76, x'E0B781'), (89, x'E0B798'), (74, x'E0B6BD'), (10, x'E0B68D'), (57, x'E0B6AB'), (71, x'E0B6BA'), (58, x'E0B6AC'), (27, x'E0B69AE0B793'), (54, x'E0B6A8'), (84, x'E0B791'), (31, x'E0B69AE0B7B2'), (98, x'E0B79E'), (53, x'E0B6A7'), (41, x'E0B69B'), (67, x'E0B6B6'), (7, x'E0B68A'), (20, x'E0B682');
SELECT predicted_order, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLATE utf8mb4_sinhala_ci;
predicted_order hex(utf8mb4_encoding)
1 E0B7B4
2 E0B685
3 E0B686
4 E0B687
5 E0B688
6 E0B689
7 E0B68A
8 E0B68B
9 E0B68C
10 E0B68D
11 E0B68E
12 E0B68F
13 E0B690
14 E0B691
15 E0B692
16 E0B693
17 E0B694
18 E0B695
19 E0B696
20 E0B682
21 E0B683
22 E0B69A
23 E0B69AE0B78F
24 E0B69AE0B790
25 E0B69AE0B791
26 E0B69AE0B792
27 E0B69AE0B793
28 E0B69AE0B794
29 E0B69AE0B796
30 E0B69AE0B798
31 E0B69AE0B7B2
32 E0B69AE0B79F
33 E0B69AE0B7B3
34 E0B69AE0B799
35 E0B69AE0B79A
36 E0B69AE0B79B
37 E0B69AE0B79C
38 E0B69AE0B79D
39 E0B69AE0B79E
40 E0B69AE0B78A
41 E0B69B
42 E0B69C
43 E0B69D
44 E0B69E
45 E0B69F
46 E0B6A0
47 E0B6A1
48 E0B6A2
49 E0B6A3
50 E0B6A5
51 E0B6A4
52 E0B6A6
53 E0B6A7
54 E0B6A8
55 E0B6A9
56 E0B6AA
57 E0B6AB
58 E0B6AC
59 E0B6AD
60 E0B6AE
61 E0B6AF
62 E0B6B0
63 E0B6B1
64 E0B6B3
65 E0B6B4
66 E0B6B5
67 E0B6B6
68 E0B6B7
69 E0B6B8
70 E0B6B9
71 E0B6BA
72 E0B6BB
73 E0B6BBE0B78AE2808D
74 E0B6BD
75 E0B780
76 E0B781
77 E0B782
78 E0B783
79 E0B784
80 E0B785
81 E0B786
82 E0B78F
83 E0B790
84 E0B791
85 E0B792
86 E0B793
87 E0B794
88 E0B796
89 E0B798
90 E0B7B2
91 E0B79F
92 E0B7B3
93 E0B799
94 E0B79A
95 E0B79B
96 E0B79C
97 E0B79D
98 E0B79E
99 E0B78A
100 E0B78AE2808DE0B6BA
101 E0B78AE2808DE0B6BB
DROP TABLE t1;
#
# Bug#32914 Character sets: illegal characters in utf8mb4 and utf32 columns
#
create table t1 (utf8mb4 char(1) character set utf8mb4) engine ndb;
Testing [F0][90..BF][80..BF][80..BF]
insert into t1 values (0xF0908080);
insert into t1 values (0xF0BFBFBF);
insert into t1 values (0xF08F8080);
Warnings:
Warning 1366 Incorrect string value: '\xF0\x8F\x80\x80' for column 'utf8mb4' at row 1
select hex(utf8mb4) from t1;
hex(utf8mb4)
F0908080
F0BFBFBF
delete from t1;
Testing [F2..F3][80..BF][80..BF][80..BF]
insert into t1 values (0xF2808080);
insert into t1 values (0xF2BFBFBF);
select hex(utf8mb4) from t1;
hex(utf8mb4)
F2808080
F2BFBFBF
delete from t1;
Testing [F4][80..8F][80..BF][80..BF]
insert into t1 values (0xF4808080);
insert into t1 values (0xF48F8080);
insert into t1 values (0xF4908080);
Warnings:
Warning 1366 Incorrect string value: '\xF4\x90\x80\x80' for column 'utf8mb4' at row 1
select hex(utf8mb4) from t1;
hex(utf8mb4)
F4808080
F48F8080
drop table t1;
#
# Check strnxfrm() with odd length
#
set max_sort_length=5;
select @@max_sort_length;
@@max_sort_length
5
create table t1 (a varchar(128) character set utf8mb4 collate utf8mb4_general_ci) engine ndb;
insert into t1 values ('a'),('b'),('c');
select * from t1 order by a;
a
a
b
c
alter table t1 modify a varchar(128) character set utf8mb4 collate utf8mb4_bin;
select * from t1 order by a;
a
a
b
c
drop table t1;
set max_sort_length=default;
#
# Bug#26180: Can't add columns to tables created with utf8mb4 text indexes
#
#
# Testing 4-byte values.
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE ndb;
INSERT INTO t1 VALUES (119040, x'f09d8480'),
# G CLEF
(119070, x'f09d849e'),
# HALF NOTE
(119134, x'f09d859e'),
# MUSICAL SYMBOL CROIX
(119247, x'f09d878f'),
# MATHEMATICAL BOLD ITALIC CAPITAL DELTA
(120607, x'f09d9c9f'),
# SANS-SERIF BOLD ITALIC CAPITAL PI
(120735, x'f09d9e9f'),
# <Plane 16 Private Use, Last> (last 4 byte character)
(1114111, x'f48fbfbf'),
# VARIATION SELECTOR-256
(917999, x'f3a087af');
INSERT INTO t1 VALUES (119070, x'f09d849ef09d859ef09d859ef09d8480f09d859ff09d859ff09d859ff09d85a0f09d85a0f09d8480');
INSERT INTO t1 VALUES (65131, x'efb9abf09d849ef09d859ef09d859ef09d8480f09d859fefb9abefb9abf09d85a0efb9ab');
INSERT INTO t1 VALUES (119070, x'f09d849ef09d859ef09d859ef09d8480f09d859ff09d859ff09d859ff09d85a0f09d85a0f09d8480f09d85a0');
Warnings:
Warning 1265 Data truncated for column 'utf8mb4_encoding' at row 1
SELECT u_decimal, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLATE utf8mb4_general_ci, BINARY utf8mb4_encoding;
u_decimal hex(utf8mb4_encoding)
1114111 F48FBFBF
119040 F09D8480
119070 F09D849E
119070 F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
119070 F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
119134 F09D859E
119247 F09D878F
120607 F09D9C9F
120735 F09D9E9F
65131 EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9AB
917999 F3A087AF
INSERT INTO t1 VALUES (1114111, x'f5808080');
Warnings:
Warning 1366 Incorrect string value: '\xF5\x80\x80\x80' for column 'utf8mb4_encoding' at row 1
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't1' AND column_name= 'utf8mb4_encoding';
character_maximum_length character_octet_length
10 40
DROP TABLE IF EXISTS t2;
CREATE TABLE t2 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb3 ENGINE ndb;
INSERT INTO t2 VALUES (42856, x'ea9da8');
INSERT INTO t2 VALUES (65131, x'efb9ab');
INSERT INTO t2 VALUES (1114111, x'f48fbfbf');
Warnings:
Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBF' for column 'utf8mb3_encoding' at row 1
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't2' AND column_name= 'utf8mb3_encoding';
character_maximum_length character_octet_length
10 30
UPDATE t2 SET utf8mb3_encoding= x'f48fbfbd' where u_decimal= 42856;
Warnings:
Warning 1366 Incorrect string value: '\xF4\x8F\xBF\xBD' for column 'utf8mb3_encoding' at row 1
UPDATE t2 SET utf8mb3_encoding= _utf8mb4 x'ea9da8' where u_decimal= 42856;
SELECT HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8')) FROM t1;
HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8'))
EA9DA8
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEA9DA8
F09D8480EA9DA8
F09D849EEA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D859EEA9DA8
F09D878FEA9DA8
F09D9C9FEA9DA8
F09D9E9FEA9DA8
F3A087AFEA9DA8
F48FBFBFEA9DA8
SELECT HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding)) FROM t1,t2;
HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding))
EA9DA8
EFB9AB
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9AB
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEA9DA8
EFB9ABF09D849EF09D859EF09D859EF09D8480F09D859FEFB9ABEFB9ABF09D85A0EFB9ABEFB9AB
F09D8480
F09D8480EA9DA8
F09D8480EFB9AB
F09D849E
F09D849EEA9DA8
F09D849EEFB9AB
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EA9DA8
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EFB9AB
F09D849EF09D859EF09D859EF09D8480F09D859FF09D859FF09D859FF09D85A0F09D85A0F09D8480EFB9AB
F09D859E
F09D859EEA9DA8
F09D859EEFB9AB
F09D878F
F09D878FEA9DA8
F09D878FEFB9AB
F09D9C9F
F09D9C9FEA9DA8
F09D9C9FEFB9AB
F09D9E9F
F09D9E9FEA9DA8
F09D9E9FEFB9AB
F3A087AF
F3A087AFEA9DA8
F3A087AFEFB9AB
F48FBFBF
F48FBFBFEA9DA8
F48FBFBFEFB9AB
SELECT count(*) FROM t1, t2
WHERE t1.utf8mb4_encoding > t2.utf8mb3_encoding;
count(*)
33
ALTER TABLE t1 CONVERT TO CHARACTER SET utf8;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) NOT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding),utf8mb4_encoding FROM t1;
u_decimal hex(utf8mb4_encoding) utf8mb4_encoding
1114111
1114111 3F ?
119040 3F ?
119070 3F ?
119070 3F3F3F3F3F3F3F3F3F3F ??????????
119070 3F3F3F3F3F3F3F3F3F3F ??????????
119134 3F ?
119247 3F ?
120607 3F ?
120735 3F ?
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB ﹫?????﹫﹫?﹫
917999 3F ?
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) NOT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=utf8mb4
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb3;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) NOT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb3;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
u_decimal hex(utf8mb4_encoding)
1114111
1114111 3F
119040 3F
119070 3F
119070 3F3F3F3F3F3F3F3F3F3F
119070 3F3F3F3F3F3F3F3F3F3F
119134 3F
119247 3F
120607 3F
120735 3F
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB
917999 3F
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`u_decimal` int(11) NOT NULL,
`utf8mb4_encoding` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
u_decimal hex(utf8mb4_encoding)
1114111
1114111 3F
119040 3F
119070 3F
119070 3F3F3F3F3F3F3F3F3F3F
119070 3F3F3F3F3F3F3F3F3F3F
119134 3F
119247 3F
120607 3F
120735 3F
65131 EFB9AB3F3F3F3F3FEFB9ABEFB9AB3FEFB9AB
917999 3F
ALTER TABLE t2 MODIFY utf8mb3_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`u_decimal` int(11) NOT NULL,
`utf8mb3_encoding` varchar(10) CHARACTER SET utf8mb4 DEFAULT NULL
) ENGINE=ndbcluster DEFAULT CHARSET=utf8
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
u_decimal hex(utf8mb3_encoding)
1114111
42856 EA9DA8
65131 EFB9AB
DROP TABLE IF EXISTS t3;
CREATE TABLE t3 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8 ENGINE ndb;
INSERT INTO t3 SELECT * FROM t1;
DROP TABLE IF EXISTS t4;
CREATE TABLE t4 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4 ENGINE ndb;
INSERT INTO t3 SELECT * FROM t2;
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
#
# Testing that mixing utf8 and utf8mb4 collations returns utf8mb4
#
SELECT CHARSET(CONCAT(_utf8mb4'a',_utf8'b'));
CHARSET(CONCAT(_utf8mb4'a',_utf8'b'))
utf8mb4
CREATE TABLE t1 (utf8mb4 VARCHAR(10) CHARACTER SET utf8mb4 NOT NULL) ENGINE ndb;
INSERT INTO t1 VALUES (x'ea9da8'),(x'f48fbfbf');
SELECT CONCAT(utf8mb4, _utf8 x'ea9da8') FROM t1 LIMIT 0;
CONCAT(utf8mb4, _utf8 x'ea9da8')
CREATE TABLE t2 (utf8mb3 VARCHAR(10) CHARACTER SET utf8mb3 NOT NULL) ENGINE ndb;
INSERT INTO t2 VALUES (x'ea9da8');
SELECT HEX(CONCAT(utf8mb4, utf8mb3)) FROM t1,t2 ORDER BY 1;
HEX(CONCAT(utf8mb4, utf8mb3))
EA9DA8EA9DA8
F48FBFBFEA9DA8
SELECT CHARSET(CONCAT(utf8mb4, utf8mb3)) FROM t1, t2 LIMIT 1;
CHARSET(CONCAT(utf8mb4, utf8mb3))
utf8mb4
SELECT * FROM t1, t2 WHERE t1.utf8mb4 > t2.utf8mb3;
utf8mb4 utf8mb3
􏿿 Ꝩ
SELECT * FROM t1, t2 WHERE t1.utf8mb4 = t2.utf8mb3;
utf8mb4 utf8mb3
Ꝩ Ꝩ
SELECT * FROM t1, t2 WHERE t1.utf8mb4 < t2.utf8mb3;
utf8mb4 utf8mb3
DROP TABLE t1;
DROP TABLE t2;
#
# Check that mixing utf8mb4 with an invalid utf8 constant returns error
#
CREATE TABLE t1 (utf8mb4 VARCHAR(10) CHARACTER SET utf8mb4) ENGINE ndb;
INSERT INTO t1 VALUES (x'f48fbfbf');
SELECT CONCAT(utf8mb4, _utf8 '') FROM t1;
ERROR HY000: Illegal mix of collations (utf8mb4_general_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'concat'
SELECT CONCAT('a', _utf8 '') FROM t1;
ERROR HY000: Illegal mix of collations (utf8mb4_general_ci,COERCIBLE) and (utf8_general_ci,COERCIBLE) for operation 'concat'
DROP TABLE t1;
#
# End of 5.5 tests
#
#
# End of tests
#
...@@ -1603,6 +1603,8 @@ SELECT u_decimal, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLAT ...@@ -1603,6 +1603,8 @@ SELECT u_decimal, hex(utf8mb4_encoding) FROM t1 ORDER BY utf8mb4_encoding COLLAT
# First invalid 4 byte value # First invalid 4 byte value
INSERT INTO t1 VALUES (1114111, x'f5808080'); INSERT INTO t1 VALUES (1114111, x'f5808080');
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't1' AND column_name= 'utf8mb4_encoding';
--disable_warnings --disable_warnings
DROP TABLE IF EXISTS t2; DROP TABLE IF EXISTS t2;
...@@ -1618,11 +1620,84 @@ INSERT INTO t2 VALUES (65131, x'efb9ab'); ...@@ -1618,11 +1620,84 @@ INSERT INTO t2 VALUES (65131, x'efb9ab');
# <Plane 16 Private Use, Last> (last 4 byte character) # <Plane 16 Private Use, Last> (last 4 byte character)
INSERT INTO t2 VALUES (1114111, x'f48fbfbf'); INSERT INTO t2 VALUES (1114111, x'f48fbfbf');
SELECT character_maximum_length, character_octet_length FROM information_schema.columns WHERE
table_name= 't2' AND column_name= 'utf8mb3_encoding';
# Update a 3-byte char col with a 4-byte char, error
UPDATE t2 SET utf8mb3_encoding= x'f48fbfbd' where u_decimal= 42856;
# Update to a 3-byte char casted to 4-byte, error?
UPDATE t2 SET utf8mb3_encoding= _utf8mb4 x'ea9da8' where u_decimal= 42856;
# Returns utfmb4
SELECT HEX(CONCAT(utf8mb4_encoding, _utf8 x'ea9da8')) FROM t1;
SELECT HEX(CONCAT(utf8mb4_encoding, utf8mb3_encoding)) FROM t1,t2;
#--error ER_INVALID_CHARACTER_STRING
#SELECT CONCAT(_utf8 utf8mb4_encoding, _utf8 '|') FROM t1;
#--error ER_INVALID_CHARACTER_STRING
#SELECT CONCAT(_utf8mb3 utf8mb4_encoding, _utf8 '|') FROM t1;
SELECT count(*) FROM t1, t2
WHERE t1.utf8mb4_encoding > t2.utf8mb3_encoding;
# Alter from 4-byte charset to 3-byte charset, error
ALTER TABLE t1 CONVERT TO CHARACTER SET utf8;
SHOW CREATE TABLE t1;
SELECT u_decimal,hex(utf8mb4_encoding),utf8mb4_encoding FROM t1;
# Alter table from utf8 to utf8mb4
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2;
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
# Alter table back from utf8mb4 to utf8
ALTER TABLE t2 CONVERT TO CHARACTER SET utf8mb3;
SHOW CREATE TABLE t2;
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
# ALter of utf8mb4 column to utf8
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb3;
SHOW CREATE TABLE t1;
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
# ALter of utf8 column to utf8mb4
ALTER TABLE t1 MODIFY utf8mb4_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t1; SHOW CREATE TABLE t1;
SELECT u_decimal,hex(utf8mb4_encoding) FROM t1;
# ALter of utf8 column to utf8mb4
ALTER TABLE t2 MODIFY utf8mb3_encoding VARCHAR(10) CHARACTER SET utf8mb4;
SHOW CREATE TABLE t2; SHOW CREATE TABLE t2;
SELECT u_decimal,hex(utf8mb3_encoding) FROM t2;
--disable_warnings
DROP TABLE IF EXISTS t3;
--enable_warnings
CREATE TABLE t3 (
u_decimal int NOT NULL,
utf8mb3_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8;
# Insert select utf8mb4 (4-byte) into utf8 (3-byte), error
#--error ER_INVALID_CHARACTER_STRING
INSERT INTO t3 SELECT * FROM t1;
--disable_warnings
DROP TABLE IF EXISTS t4;
--enable_warnings
CREATE TABLE t4 (
u_decimal int NOT NULL,
utf8mb4_encoding VARCHAR(10) NOT NULL
) CHARACTER SET utf8mb4;
# Insert select utf8 (3-byte) into utf8mb4 (4-byte)
INSERT INTO t3 SELECT * FROM t2;
DROP TABLE t1; DROP TABLE t1;
DROP TABLE t2; DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
--echo # --echo #
--echo # Testing that mixing utf8 and utf8mb4 collations returns utf8mb4 --echo # Testing that mixing utf8 and utf8mb4 collations returns utf8mb4
......
--source include/have_utf8mb4.inc
let $engine= heap;
let $is_heap= 1;
--source include/ctype_utf8mb4.inc
--source include/have_utf8mb4.inc
--source include/have_innodb.inc
let $engine= InnoDB;
--source include/ctype_utf8mb4.inc
--source include/have_utf8mb4.inc
let $engine= MyISAM;
--source include/ctype_utf8mb4.inc
--source include/have_utf8mb4.inc
--source include/have_ndb.inc
let $engine= ndb;
let $is_ndb= 1;
--source include/ctype_utf8mb4.inc
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