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Commit f7898d04 authored by unknown's avatar unknown
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Merge anubis.xiphis.org:/usr/home/antony/work/mysql-5.1-engines 

into  anubis.xiphis.org:/usr/home/antony/work/mysql-5.1-engines.merge


configure.in:
  Auto merged
mysql-test/r/heap_btree.result:
  Auto merged
mysql-test/r/log_tables.result:
  Auto merged
mysql-test/r/partition.result:
  Auto merged
mysql-test/r/system_mysql_db.result:
  Auto merged
mysql-test/t/heap_btree.test:
  Auto merged
mysql-test/t/log_tables.test:
  Auto merged
mysql-test/t/partition.test:
  Auto merged
mysys/my_getopt.c:
  Auto merged
scripts/mysql_system_tables.sql:
  Auto merged
sql/sql_base.cc:
  Auto merged
parents 9248b192 008c818a
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Showing with 441 additions and 135 deletions
include/my_getopt.h
View file @ f7898d04
......@@ -68,6 +68,7 @@ extern my_error_reporter my_getopt_error_reporter;
extern int handle_options (int *argc, char ***argv,
const struct my_option *longopts, my_get_one_option);
extern void my_cleanup_options(const struct my_option *options);
extern void my_print_help(const struct my_option *options);
extern void my_print_variables(const struct my_option *options);
extern void my_getopt_register_get_addr(uchar ** (*func_addr)(const char *, uint,
......
mysql-test/r/csv.result
View file @ f7898d04
......@@ -4929,7 +4929,7 @@ Note 1051 Unknown table 't2'
Note 1051 Unknown table 't3'
Note 1051 Unknown table 't4'
DROP TABLE IF EXISTS bug13894;
CREATE TABLE bug13894 ( val integer ) ENGINE = CSV;
CREATE TABLE bug13894 ( val integer not null ) ENGINE = CSV;
INSERT INTO bug13894 VALUES (5);
INSERT INTO bug13894 VALUES (10);
INSERT INTO bug13894 VALUES (11);
......@@ -4949,7 +4949,7 @@ val
11
DROP TABLE bug13894;
DROP TABLE IF EXISTS bug14672;
CREATE TABLE bug14672 (c1 integer) engine = CSV;
CREATE TABLE bug14672 (c1 integer not null) engine = CSV;
INSERT INTO bug14672 VALUES (1), (2), (3);
SELECT * FROM bug14672;
c1
......@@ -4975,7 +4975,7 @@ c1
4
5
DROP TABLE bug14672;
CREATE TABLE test_concurrent_insert ( val integer ) ENGINE = CSV;
CREATE TABLE test_concurrent_insert ( val integer not null ) ENGINE = CSV;
LOCK TABLES test_concurrent_insert READ LOCAL;
INSERT INTO test_concurrent_insert VALUES (1);
SELECT * FROM test_concurrent_insert;
......@@ -4992,7 +4992,7 @@ val
2
UNLOCK TABLES;
DROP TABLE test_concurrent_insert;
CREATE TABLE test_repair_table ( val integer ) ENGINE = CSV;
CREATE TABLE test_repair_table ( val integer not null ) ENGINE = CSV;
CHECK TABLE test_repair_table;
Table Op Msg_type Msg_text
test.test_repair_table check status OK
......@@ -5000,7 +5000,7 @@ REPAIR TABLE test_repair_table;
Table Op Msg_type Msg_text
test.test_repair_table repair status OK
DROP TABLE test_repair_table;
CREATE TABLE test_repair_table2 ( val integer ) ENGINE = CSV;
CREATE TABLE test_repair_table2 ( val integer not null ) ENGINE = CSV;
SELECT * from test_repair_table2;
val
Warnings:
......@@ -5011,7 +5011,7 @@ CHECK TABLE test_repair_table2;
Table Op Msg_type Msg_text
test.test_repair_table2 check status OK
DROP TABLE test_repair_table2;
CREATE TABLE test_repair_table3 ( val integer ) ENGINE = CSV;
CREATE TABLE test_repair_table3 ( val integer not null ) ENGINE = CSV;
CHECK TABLE test_repair_table3;
Table Op Msg_type Msg_text
test.test_repair_table3 check error Corrupt
......@@ -5114,7 +5114,7 @@ num magic_no company_name founded
1 0102 CORRECT 1876
1 0102 CORRECT2 1876
DROP TABLE test_repair_table5;
create table t1 (a int) engine=csv;
create table t1 (a int not null) engine=csv;
insert t1 values (1);
delete from t1;
affected rows: 1
......@@ -5138,7 +5138,7 @@ insert t1 values (1),(2),(3),(4),(5);
truncate table t1;
affected rows: 0
drop table t1;
create table t1 (v varchar(32));
create table t1 (v varchar(32) not null);
insert into t1 values ('def'),('abc'),('hij'),('3r4f');
select * from t1;
v
......@@ -5193,8 +5193,8 @@ select * from t1 where i between 2 and 4 and v in ('def','3r4f','lmn');
i v
4 3r4f
drop table t1;
create table bug15205 (val int(11) default null) engine=csv;
create table bug15205_2 (val int(11) default null) engine=csv;
create table bug15205 (val int(11) not null) engine=csv;
create table bug15205_2 (val int(11) not null) engine=csv;
select * from bug15205;
ERROR HY000: Can't get stat of './test/bug15205.CSV' (Errcode: 2)
select * from bug15205_2;
......@@ -5205,8 +5205,8 @@ drop table bug15205;
drop table bug15205_2;
set names latin1;
create table t1 (
c varchar(1),
name varchar(64)
c varchar(1) not null,
name varchar(64) not null
) character set latin1 engine=csv;
insert into t1 values (0xC0,'LATIN CAPITAL LETTER A WITH GRAVE');
insert into t1 values (0xE0,'LATIN SMALL LETTER A WITH GRAVE');
......@@ -5224,9 +5224,9 @@ FE
FF LATIN SMALL LETTER Y WITH DIAERESIS
drop table t1;
End of 5.0 tests
create table bug22080_1 (id int,string varchar(64)) Engine=CSV;
create table bug22080_2 (id int,string varchar(64)) Engine=CSV;
create table bug22080_3 (id int,string varchar(64)) Engine=CSV;
create table bug22080_1 (id int not null,string varchar(64) not null) Engine=CSV;
create table bug22080_2 (id int not null,string varchar(64) not null) Engine=CSV;
create table bug22080_3 (id int not null,string varchar(64) not null) Engine=CSV;
insert into bug22080_1 values(1,'string');
insert into bug22080_1 values(2,'string');
insert into bug22080_1 values(3,'string');
......@@ -5237,7 +5237,7 @@ check table bug22080_3;
Table Op Msg_type Msg_text
test.bug22080_3 check error Corrupt
drop tables bug22080_1,bug22080_2,bug22080_3;
create table float_test (id float,string varchar(64)) Engine=CSV;
create table float_test (id float not null,string varchar(64) not null) Engine=CSV;
insert into float_test values(1.0,'string');
insert into float_test values(2.23,'serg.g');
insert into float_test values(0.03,'string');
......@@ -5254,14 +5254,14 @@ id string
9.67 string
drop table float_test;
CREATE TABLE `bug21328` (
`col1` int(11) DEFAULT NULL,
`col2` int(11) DEFAULT NULL,
`col3` int(11) DEFAULT NULL
`col1` int(11) NOT NULL,
`col2` int(11) NOT NULL,
`col3` int(11) NOT NULL
) ENGINE=CSV;
insert into bug21328 values (1,NULL,NULL);
insert into bug21328 values (1,0,0);
alter table bug21328 engine=myisam;
drop table bug21328;
create table t1(a blob, b int) engine=csv;
create table t1(a blob not null, b int not null) engine=csv;
insert into t1 values('a', 1);
flush tables;
update t1 set b=2;
......@@ -5269,7 +5269,7 @@ select * from t1;
a b
a 2
drop table t1;
create table t1(a int) engine=csv;
create table t1(a int not null) engine=csv;
insert into t1 values(-1), (-123.34), (2), (-23);
select * from t1;
a
......@@ -5281,7 +5281,7 @@ check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
drop table t1;
create table t1(a int, b int) engine=csv;
create table t1(a int not null, b int not null) engine=csv;
repair table t1;
Table Op Msg_type Msg_text
test.t1 repair Warning Data truncated for column 'a' at row 5
......@@ -5299,7 +5299,7 @@ check table t1;
Table Op Msg_type Msg_text
test.t1 check status OK
drop table t1;
create table t1(a int) engine=csv;
create table t1(a int not null) engine=csv;
insert into t1 values (0), (1), (2);
delete from t1 limit 2;
check table t1;
......@@ -5315,4 +5315,62 @@ test.t1 check status OK
select * from t1;
a
drop table t1;
create table t1(a datetime not null) engine=csv;
insert into t1 values();
Warnings:
Warning 1364 Field 'a' doesn't have a default value
select * from t1;
a
0000-00-00 00:00:00
drop table t1;
create table t1(a set('foo','bar') not null) engine=csv;
insert into t1 values();
Warnings:
Warning 1364 Field 'a' doesn't have a default value
select * from t1;
a
drop table t1;
create table t1(a varchar(32) not null) engine=csv;
insert into t1 values();
Warnings:
Warning 1364 Field 'a' doesn't have a default value
select * from t1;
a
drop table t1;
create table t1(a int not null) engine=csv;
insert into t1 values();
Warnings:
Warning 1364 Field 'a' doesn't have a default value
select * from t1;
a
0
drop table t1;
create table t1(a blob not null) engine=csv;
insert into t1 values();
Warnings:
Warning 1364 Field 'a' doesn't have a default value
select * from t1;
a
drop table t1;
create table t1(a bit(1) not null) engine=csv;
insert into t1 values();
Warnings:
Warning 1364 Field 'a' doesn't have a default value
select BIN(a) from t1;
BIN(a)
0
drop table t1;
create table t1(a enum('foo','bar') default null) engine=csv;
ERROR HY000: Can't create table 'test.t1' (errno: -1)
create table t1(a enum('foo','bar') default 'foo') engine=csv;
ERROR HY000: Can't create table 'test.t1' (errno: -1)
create table t1(a enum('foo','bar') default 'foo' not null) engine=csv;
insert into t1 values();
select * from t1;
a
foo
drop table t1;
End of 5.1 tests
mysql-test/r/heap_btree.result
View file @ f7898d04
......@@ -307,6 +307,13 @@ UNIQUE USING BTREE(c1)
) ENGINE= MEMORY DEFAULT CHARSET= utf8;
INSERT INTO t1 VALUES('1'), ('2');
DROP TABLE t1;
CREATE TABLE t1 (a INT, KEY USING BTREE(a)) ENGINE=MEMORY;
INSERT INTO t1 VALUES(1),(2),(2);
DELETE FROM t1 WHERE a=2;
SELECT * FROM t1;
a
1
DROP TABLE t1;
End of 4.1 tests
CREATE TABLE t1(val INT, KEY USING BTREE(val)) ENGINE=memory;
INSERT INTO t1 VALUES(0);
......
mysql-test/r/log_tables.result
View file @ f7898d04
......@@ -42,20 +42,20 @@ show create table mysql.general_log;
Table Create Table
general_log CREATE TABLE `general_log` (
`event_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`user_host` mediumtext,
`thread_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`command_type` varchar(64) DEFAULT NULL,
`argument` mediumtext
`user_host` mediumtext NOT NULL,
`thread_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`command_type` varchar(64) NOT NULL,
`argument` mediumtext NOT NULL
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='General log'
show fields from mysql.general_log;
Field Type Null Key Default Extra
event_time timestamp NO CURRENT_TIMESTAMP
user_host mediumtext YES NULL
thread_id int(11) YES NULL
server_id int(11) YES NULL
command_type varchar(64) YES NULL
argument mediumtext YES NULL
user_host mediumtext NO NULL
thread_id int(11) NO NULL
server_id int(11) NO NULL
command_type varchar(64) NO NULL
argument mediumtext NO NULL
show create table mysql.slow_log;
Table Create Table
slow_log CREATE TABLE `slow_log` (
......@@ -65,10 +65,10 @@ slow_log CREATE TABLE `slow_log` (
`lock_time` time NOT NULL,
`rows_sent` int(11) NOT NULL,
`rows_examined` int(11) NOT NULL,
`db` varchar(512) DEFAULT NULL,
`last_insert_id` int(11) DEFAULT NULL,
`insert_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`db` varchar(512) NOT NULL,
`last_insert_id` int(11) NOT NULL,
`insert_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`sql_text` mediumtext NOT NULL
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='Slow log'
show fields from mysql.slow_log;
......@@ -79,10 +79,10 @@ query_time time NO NULL
lock_time time NO NULL
rows_sent int(11) NO NULL
rows_examined int(11) NO NULL
db varchar(512) YES NULL
last_insert_id int(11) YES NULL
insert_id int(11) YES NULL
server_id int(11) YES NULL
db varchar(512) NO NULL
last_insert_id int(11) NO NULL
insert_id int(11) NO NULL
server_id int(11) NO NULL
sql_text mediumtext NO NULL
flush logs;
flush tables;
......@@ -141,11 +141,11 @@ show create table mysql.general_log;
Table Create Table
general_log CREATE TABLE `general_log` (
`event_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`user_host` mediumtext,
`thread_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`command_type` varchar(64) DEFAULT NULL,
`argument` mediumtext
`user_host` mediumtext NOT NULL,
`thread_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`command_type` varchar(64) NOT NULL,
`argument` mediumtext NOT NULL
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='General log'
show create table mysql.slow_log;
Table Create Table
......@@ -156,10 +156,10 @@ slow_log CREATE TABLE `slow_log` (
`lock_time` time NOT NULL,
`rows_sent` int(11) NOT NULL,
`rows_examined` int(11) NOT NULL,
`db` varchar(512) DEFAULT NULL,
`last_insert_id` int(11) DEFAULT NULL,
`insert_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`db` varchar(512) NOT NULL,
`last_insert_id` int(11) NOT NULL,
`insert_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`sql_text` mediumtext NOT NULL
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='Slow log'
alter table mysql.general_log engine=myisam;
......@@ -168,11 +168,11 @@ show create table mysql.general_log;
Table Create Table
general_log CREATE TABLE `general_log` (
`event_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`user_host` mediumtext,
`thread_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`command_type` varchar(64) DEFAULT NULL,
`argument` mediumtext
`user_host` mediumtext NOT NULL,
`thread_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`command_type` varchar(64) NOT NULL,
`argument` mediumtext NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT='General log'
show create table mysql.slow_log;
Table Create Table
......@@ -183,10 +183,10 @@ slow_log CREATE TABLE `slow_log` (
`lock_time` time NOT NULL,
`rows_sent` int(11) NOT NULL,
`rows_examined` int(11) NOT NULL,
`db` varchar(512) DEFAULT NULL,
`last_insert_id` int(11) DEFAULT NULL,
`insert_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`db` varchar(512) NOT NULL,
`last_insert_id` int(11) NOT NULL,
`insert_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`sql_text` mediumtext NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT='Slow log'
set global general_log='ON';
......@@ -241,11 +241,11 @@ use mysql;
CREATE TABLE `general_log` (
`event_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
ON UPDATE CURRENT_TIMESTAMP,
`user_host` mediumtext,
`thread_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`command_type` varchar(64) DEFAULT NULL,
`argument` mediumtext
`user_host` mediumtext NOT NULL,
`thread_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`command_type` varchar(64) NOT NULL,
`argument` mediumtext NOT NULL
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='General log';
CREATE TABLE `slow_log` (
`start_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
......@@ -255,10 +255,10 @@ ON UPDATE CURRENT_TIMESTAMP,
`lock_time` time NOT NULL,
`rows_sent` int(11) NOT NULL,
`rows_examined` int(11) NOT NULL,
`db` varchar(512) DEFAULT NULL,
`last_insert_id` int(11) DEFAULT NULL,
`insert_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`db` varchar(512) NOT NULL,
`last_insert_id` int(11) NOT NULL,
`insert_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`sql_text` mediumtext NOT NULL
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='Slow log';
set global general_log='ON';
......@@ -403,9 +403,9 @@ My own slow query sleep(2)
My own slow query 0
SELECT * FROM mysql.slow_log WHERE seq >= 2 LIMIT 3;
start_time user_host query_time lock_time rows_sent rows_examined db last_insert_id insert_id server_id sql_text seq
START_TIME USER_HOST QUERY_TIME 00:00:00 1 0 test NULL NULL 1 SELECT "My own slow query", sleep(2) 2
START_TIME USER_HOST QUERY_TIME 00:00:00 1 0 test NULL NULL 1 SELECT "My own slow query", sleep(2) 3
START_TIME USER_HOST QUERY_TIME 00:00:00 1 0 test NULL NULL 1 SELECT "My own slow query", sleep(2) 4
START_TIME USER_HOST QUERY_TIME 00:00:00 1 0 test 0 0 1 SELECT "My own slow query", sleep(2) 2
START_TIME USER_HOST QUERY_TIME 00:00:00 1 0 test 0 0 1 SELECT "My own slow query", sleep(2) 3
START_TIME USER_HOST QUERY_TIME 00:00:00 1 0 test 0 0 1 SELECT "My own slow query", sleep(2) 4
SET GLOBAL slow_query_log = 0;
SET SESSION long_query_time =@old_long_query_time;
FLUSH LOGS;
......
mysql-test/r/merge.result
View file @ f7898d04
......@@ -879,4 +879,9 @@ CHECK TABLE tm1;
Table Op Msg_type Msg_text
test.tm1 check status OK
DROP TABLE tm1, t1, t2;
CREATE TABLE t1(c1 INT);
CREATE TABLE t2 (c1 INT) ENGINE=MERGE UNION=(t1) INSERT_METHOD=FIRST;
CREATE TABLE IF NOT EXISTS t1 SELECT * FROM t2;
ERROR HY000: You can't specify target table 't1' for update in FROM clause
DROP TABLE t1, t2;
End of 5.0 tests
mysql-test/r/partition.result
View file @ f7898d04
......@@ -1259,6 +1259,10 @@ INSERT INTO t1 SELECT a + 8, b FROM t1;
ALTER TABLE t1 ADD PARTITION (PARTITION p1 VALUES LESS THAN (64));
ALTER TABLE t1 DROP PARTITION p1;
DROP TABLE t1;
create table t (s1 int) engine=myisam partition by key (s1);
create trigger t_ad after delete on t for each row insert into t values (old.s1);
insert into t values (1);
drop table t;
USE mysql;
SET GLOBAL general_log = 0;
ALTER TABLE general_log ENGINE = MyISAM;
......
mysql-test/r/partition_innodb.result
View file @ f7898d04
......@@ -129,3 +129,10 @@ insert into t1 (time, first_name, last_name) values ('2007-02-07', 'Q', 'Robert'
SELECT * FROM t1 WHERE first_name='Andy' OR last_name='Jake';
id time first_name last_name
drop table t1;
CREATE TABLE t1 (a DOUBLE NOT NULL, KEY(a)) ENGINE=InnoDB
PARTITION BY KEY(a) PARTITIONS 10;
INSERT INTO t1 VALUES(1),(2);
SELECT COUNT(*) FROM t1;
COUNT(*)
2
DROP TABLE t1;
mysql-test/r/system_mysql_db.result
View file @ f7898d04
......@@ -240,11 +240,11 @@ show create table general_log;
Table Create Table
general_log CREATE TABLE `general_log` (
`event_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
`user_host` mediumtext,
`thread_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`command_type` varchar(64) DEFAULT NULL,
`argument` mediumtext
`user_host` mediumtext NOT NULL,
`thread_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`command_type` varchar(64) NOT NULL,
`argument` mediumtext NOT NULL
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='General log'
show create table slow_log;
Table Create Table
......@@ -255,10 +255,10 @@ slow_log CREATE TABLE `slow_log` (
`lock_time` time NOT NULL,
`rows_sent` int(11) NOT NULL,
`rows_examined` int(11) NOT NULL,
`db` varchar(512) DEFAULT NULL,
`last_insert_id` int(11) DEFAULT NULL,
`insert_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`db` varchar(512) NOT NULL,
`last_insert_id` int(11) NOT NULL,
`insert_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`sql_text` mediumtext NOT NULL
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='Slow log'
show tables;
......
mysql-test/t/csv.test
View file @ f7898d04
......@@ -1322,7 +1322,7 @@ drop table if exists t1,t2,t3,t4;
DROP TABLE IF EXISTS bug13894;
--enable_warnings
CREATE TABLE bug13894 ( val integer ) ENGINE = CSV;
CREATE TABLE bug13894 ( val integer not null ) ENGINE = CSV;
INSERT INTO bug13894 VALUES (5);
INSERT INTO bug13894 VALUES (10);
INSERT INTO bug13894 VALUES (11);
......@@ -1340,7 +1340,7 @@ DROP TABLE bug13894;
DROP TABLE IF EXISTS bug14672;
--enable_warnings
CREATE TABLE bug14672 (c1 integer) engine = CSV;
CREATE TABLE bug14672 (c1 integer not null) engine = CSV;
INSERT INTO bug14672 VALUES (1), (2), (3);
SELECT * FROM bug14672;
DELETE FROM bug14672 WHERE c1 = 2;
......@@ -1357,7 +1357,7 @@ DROP TABLE bug14672;
# Test CONCURRENT INSERT (5.1)
#
CREATE TABLE test_concurrent_insert ( val integer ) ENGINE = CSV;
CREATE TABLE test_concurrent_insert ( val integer not null ) ENGINE = CSV;
connect (con1,localhost,root,,);
connect (con2,localhost,root,,);
......@@ -1393,7 +1393,7 @@ DROP TABLE test_concurrent_insert;
# Check that repair on the newly created table works fine
CREATE TABLE test_repair_table ( val integer ) ENGINE = CSV;
CREATE TABLE test_repair_table ( val integer not null ) ENGINE = CSV;
CHECK TABLE test_repair_table;
REPAIR TABLE test_repair_table;
......@@ -1405,7 +1405,7 @@ DROP TABLE test_repair_table;
# restore the meta-file
#
CREATE TABLE test_repair_table2 ( val integer ) ENGINE = CSV;
CREATE TABLE test_repair_table2 ( val integer not null ) ENGINE = CSV;
--remove_file $MYSQLTEST_VARDIR/master-data/test/test_repair_table2.CSM
# Should give a warning and perform autorepair. We also disable ps-protocol
......@@ -1423,7 +1423,7 @@ DROP TABLE test_repair_table2;
# Corrupt csv file and see if we can repair it
CREATE TABLE test_repair_table3 ( val integer ) ENGINE = CSV;
CREATE TABLE test_repair_table3 ( val integer not null ) ENGINE = CSV;
--remove_file $MYSQLTEST_VARDIR/master-data/test/test_repair_table3.CSV
--write_file $MYSQLTEST_VARDIR/master-data/test/test_repair_table3.CSV
"1"
......@@ -1517,7 +1517,7 @@ DROP TABLE test_repair_table5;
# BUG#13406 - incorrect amount of "records deleted"
#
create table t1 (a int) engine=csv;
create table t1 (a int not null) engine=csv;
insert t1 values (1);
--enable_info
delete from t1; # delete_row
......@@ -1549,7 +1549,7 @@ drop table t1;
# whole alter table code is being tested all around the test suite already.
#
create table t1 (v varchar(32));
create table t1 (v varchar(32) not null);
insert into t1 values ('def'),('abc'),('hij'),('3r4f');
select * from t1;
# Fast alter, no copy performed
......@@ -1583,8 +1583,8 @@ drop table t1;
# resulted in scanning through deleted memory and we were geting a crash.
# that's why we need two tables in the bugtest
create table bug15205 (val int(11) default null) engine=csv;
create table bug15205_2 (val int(11) default null) engine=csv;
create table bug15205 (val int(11) not null) engine=csv;
create table bug15205_2 (val int(11) not null) engine=csv;
--remove_file $MYSQLTEST_VARDIR/master-data/test/bug15205.CSV
# system error (can't open the datafile)
--replace_result $MYSQLTEST_VARDIR . master-data/ ''
......@@ -1604,8 +1604,8 @@ drop table bug15205_2;
#
set names latin1;
create table t1 (
c varchar(1),
name varchar(64)
c varchar(1) not null,
name varchar(64) not null
) character set latin1 engine=csv;
insert into t1 values (0xC0,'LATIN CAPITAL LETTER A WITH GRAVE');
insert into t1 values (0xE0,'LATIN SMALL LETTER A WITH GRAVE');
......@@ -1623,9 +1623,9 @@ drop table t1;
# Bug#22080 "CHECK fails to identify some corruption"
#
create table bug22080_1 (id int,string varchar(64)) Engine=CSV;
create table bug22080_2 (id int,string varchar(64)) Engine=CSV;
create table bug22080_3 (id int,string varchar(64)) Engine=CSV;
create table bug22080_1 (id int not null,string varchar(64) not null) Engine=CSV;
create table bug22080_2 (id int not null,string varchar(64) not null) Engine=CSV;
create table bug22080_3 (id int not null,string varchar(64) not null) Engine=CSV;
insert into bug22080_1 values(1,'string');
insert into bug22080_1 values(2,'string');
insert into bug22080_1 values(3,'string');
......@@ -1655,7 +1655,7 @@ drop tables bug22080_1,bug22080_2,bug22080_3;
#
# Testing float type
#
create table float_test (id float,string varchar(64)) Engine=CSV;
create table float_test (id float not null,string varchar(64) not null) Engine=CSV;
insert into float_test values(1.0,'string');
insert into float_test values(2.23,'serg.g');
insert into float_test values(0.03,'string');
......@@ -1670,12 +1670,12 @@ drop table float_test;
#
CREATE TABLE `bug21328` (
`col1` int(11) DEFAULT NULL,
`col2` int(11) DEFAULT NULL,
`col3` int(11) DEFAULT NULL
`col1` int(11) NOT NULL,
`col2` int(11) NOT NULL,
`col3` int(11) NOT NULL
) ENGINE=CSV;
insert into bug21328 values (1,NULL,NULL);
insert into bug21328 values (1,0,0);
alter table bug21328 engine=myisam;
drop table bug21328;
......@@ -1683,7 +1683,7 @@ drop table bug21328;
# BUG#28971 - ALTER TABLE followed by UPDATE for a CSV table make server
# crash
#
create table t1(a blob, b int) engine=csv;
create table t1(a blob not null, b int not null) engine=csv;
insert into t1 values('a', 1);
flush tables;
update t1 set b=2;
......@@ -1693,13 +1693,13 @@ drop table t1;
#
# Bug #29353: negative values
#
create table t1(a int) engine=csv;
create table t1(a int not null) engine=csv;
insert into t1 values(-1), (-123.34), (2), (-23);
select * from t1;
check table t1;
drop table t1;
create table t1(a int, b int) engine=csv;
create table t1(a int not null, b int not null) engine=csv;
--remove_file $MYSQLTEST_VARDIR/master-data/test/t1.CSV
--write_file $MYSQLTEST_VARDIR/master-data/test/t1.CSV
1, 1E-2
......@@ -1717,7 +1717,7 @@ drop table t1;
#
# Bug #29411: deleting from a csv table leads to the table corruption
#
create table t1(a int) engine=csv;
create table t1(a int not null) engine=csv;
insert into t1 values (0), (1), (2);
delete from t1 limit 2;
check table t1;
......@@ -1727,4 +1727,43 @@ check table t1;
select * from t1;
drop table t1;
#
# Bug #31473: does not work with NULL value in datetime field
#
create table t1(a datetime not null) engine=csv;
insert into t1 values();
select * from t1;
drop table t1;
create table t1(a set('foo','bar') not null) engine=csv;
insert into t1 values();
select * from t1;
drop table t1;
create table t1(a varchar(32) not null) engine=csv;
insert into t1 values();
select * from t1;
drop table t1;
create table t1(a int not null) engine=csv;
insert into t1 values();
select * from t1;
drop table t1;
create table t1(a blob not null) engine=csv;
insert into t1 values();
select * from t1;
drop table t1;
create table t1(a bit(1) not null) engine=csv;
insert into t1 values();
select BIN(a) from t1;
drop table t1;
# We prevent creation of table with nullable ENUM
--error ER_CANT_CREATE_TABLE
create table t1(a enum('foo','bar') default null) engine=csv;
--error ER_CANT_CREATE_TABLE
create table t1(a enum('foo','bar') default 'foo') engine=csv;
# Enum columns must be specified as NOT NULL
create table t1(a enum('foo','bar') default 'foo' not null) engine=csv;
insert into t1 values();
select * from t1;
drop table t1;
--echo End of 5.1 tests
mysql-test/t/heap_btree.test
View file @ f7898d04
......@@ -213,6 +213,15 @@ CREATE TABLE t1 (
INSERT INTO t1 VALUES('1'), ('2');
DROP TABLE t1;
#
# BUG#30590 - delete from memory table with composite btree primary key
#
CREATE TABLE t1 (a INT, KEY USING BTREE(a)) ENGINE=MEMORY;
INSERT INTO t1 VALUES(1),(2),(2);
DELETE FROM t1 WHERE a=2;
SELECT * FROM t1;
DROP TABLE t1;
--echo End of 4.1 tests
#
......
mysql-test/t/log_tables.test
View file @ f7898d04
......@@ -253,11 +253,11 @@ use mysql;
CREATE TABLE `general_log` (
`event_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP
ON UPDATE CURRENT_TIMESTAMP,
`user_host` mediumtext,
`thread_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`command_type` varchar(64) DEFAULT NULL,
`argument` mediumtext
`user_host` mediumtext NOT NULL,
`thread_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`command_type` varchar(64) NOT NULL,
`argument` mediumtext NOT NULL
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='General log';
CREATE TABLE `slow_log` (
......@@ -268,10 +268,10 @@ CREATE TABLE `slow_log` (
`lock_time` time NOT NULL,
`rows_sent` int(11) NOT NULL,
`rows_examined` int(11) NOT NULL,
`db` varchar(512) DEFAULT NULL,
`last_insert_id` int(11) DEFAULT NULL,
`insert_id` int(11) DEFAULT NULL,
`server_id` int(11) DEFAULT NULL,
`db` varchar(512) NOT NULL,
`last_insert_id` int(11) NOT NULL,
`insert_id` int(11) NOT NULL,
`server_id` int(11) NOT NULL,
`sql_text` mediumtext NOT NULL
) ENGINE=CSV DEFAULT CHARSET=utf8 COMMENT='Slow log';
......
mysql-test/t/merge.test
View file @ f7898d04
......@@ -511,4 +511,18 @@ SELECT * FROM tm1;
CHECK TABLE tm1;
DROP TABLE tm1, t1, t2;
#
# Bug#15522 - create ... select and with merge tables
#
# This was fixed together with Bug#20662 (Infinite loop in CREATE TABLE
# IF NOT EXISTS ... SELECT with locked tables).
# The new behavior for MERGE tables is consistent with the
# CREATE TABLE SELECT behavior for ordinary tables.
#
CREATE TABLE t1(c1 INT);
CREATE TABLE t2 (c1 INT) ENGINE=MERGE UNION=(t1) INSERT_METHOD=FIRST;
--error ER_UPDATE_TABLE_USED
CREATE TABLE IF NOT EXISTS t1 SELECT * FROM t2;
DROP TABLE t1, t2;
--echo End of 5.0 tests
mysql-test/t/partition.test
View file @ f7898d04
......@@ -1480,6 +1480,15 @@ ALTER TABLE t1 DROP PARTITION p1;
DROP TABLE t1;
#
# Bug #30484: Partitions: crash with self-referencing trigger
#
create table t (s1 int) engine=myisam partition by key (s1);
create trigger t_ad after delete on t for each row insert into t values (old.s1);
insert into t values (1);
drop table t;
#
# Bug #27816: Log tables ran with partitions crashes the server when logging
# is enabled.
......
mysql-test/t/partition_innodb.test
View file @ f7898d04
......@@ -134,3 +134,11 @@ SELECT * FROM t1 WHERE first_name='Andy' OR last_name='Jake';
drop table t1;
#
# BUG#30583 - Partition on DOUBLE key + INNODB + count(*) == crash
#
CREATE TABLE t1 (a DOUBLE NOT NULL, KEY(a)) ENGINE=InnoDB
PARTITION BY KEY(a) PARTITIONS 10;
INSERT INTO t1 VALUES(1),(2);
SELECT COUNT(*) FROM t1;
DROP TABLE t1;
mysys/my_getopt.c
View file @ f7898d04
......@@ -21,6 +21,9 @@
#include <my_getopt.h>
#include <errno.h>
typedef void (*init_func_p)(const struct my_option *option, uchar* *variable,
longlong value);
static void default_reporter(enum loglevel level, const char *format, ...);
my_error_reporter my_getopt_error_reporter= &default_reporter;
......@@ -34,7 +37,12 @@ static longlong getopt_ll(char *arg, const struct my_option *optp, int *err);
static ulonglong getopt_ull(char *arg, const struct my_option *optp,
int *err);
static double getopt_double(char *arg, const struct my_option *optp, int *err);
static void init_variables(const struct my_option *options);
static void init_variables(const struct my_option *options,
init_func_p init_one_value);
static void init_one_value(const struct my_option *option, uchar* *variable,
longlong value);
static void fini_one_value(const struct my_option *option, uchar* *variable,
longlong value);
static int setval(const struct my_option *opts, uchar* *value, char *argument,
my_bool set_maximum_value);
static char *check_struct_option(char *cur_arg, char *key_name);
......@@ -118,7 +126,7 @@ int handle_options(int *argc, char ***argv,
DBUG_ASSERT(argv && *argv);
(*argc)--; /* Skip the program name */
(*argv)++; /* --- || ---- */
init_variables(longopts);
init_variables(longopts, init_one_value);
for (pos= *argv, pos_end=pos+ *argc; pos != pos_end ; pos++)
{
......@@ -922,6 +930,37 @@ static void init_one_value(const struct my_option *option, uchar* *variable,
}
/*
Init one value to it's default values
SYNOPSIS
init_one_value()
option Option to initialize
value Pointer to variable
*/
static void fini_one_value(const struct my_option *option, uchar* *variable,
longlong value __attribute__ ((unused)))
{
DBUG_ENTER("fini_one_value");
switch ((option->var_type & GET_TYPE_MASK)) {
case GET_STR_ALLOC:
my_free((*(char**) variable), MYF(MY_ALLOW_ZERO_PTR));
*((char**) variable)= NULL;
break;
default: /* dummy default to avoid compiler warnings */
break;
}
DBUG_VOID_RETURN;
}
void my_cleanup_options(const struct my_option *options)
{
init_variables(options, fini_one_value);
}
/*
initialize all variables to their default values
......@@ -935,7 +974,8 @@ static void init_one_value(const struct my_option *option, uchar* *variable,
for a value and initialize.
*/
static void init_variables(const struct my_option *options)
static void init_variables(const struct my_option *options,
init_func_p init_one_value)
{
DBUG_ENTER("init_variables");
for (; options->name; options++)
......
scripts/mysql_system_tables.sql
View file @ f7898d04
......@@ -66,7 +66,7 @@ CREATE TABLE IF NOT EXISTS procs_priv ( Host char(60) binary DEFAULT '' NOT NULL
-- Create general_log if CSV is enabled.
SET @str = IF (@@have_csv = 'YES', 'CREATE TABLE IF NOT EXISTS general_log (event_time TIMESTAMP NOT NULL, user_host MEDIUMTEXT, thread_id INTEGER, server_id INTEGER, command_type VARCHAR(64), argument MEDIUMTEXT) engine=CSV CHARACTER SET utf8 comment="General log"', 'SET @dummy = 0');
SET @str = IF (@@have_csv = 'YES', 'CREATE TABLE IF NOT EXISTS general_log (event_time TIMESTAMP NOT NULL, user_host MEDIUMTEXT NOT NULL, thread_id INTEGER NOT NULL, server_id INTEGER NOT NULL, command_type VARCHAR(64) NOT NULL, argument MEDIUMTEXT NOT NULL) engine=CSV CHARACTER SET utf8 comment="General log"', 'SET @dummy = 0');
PREPARE stmt FROM @str;
EXECUTE stmt;
......@@ -74,7 +74,7 @@ DROP PREPARE stmt;
-- Create slow_log if CSV is enabled.
SET @str = IF (@@have_csv = 'YES', 'CREATE TABLE IF NOT EXISTS slow_log (start_time TIMESTAMP NOT NULL, user_host MEDIUMTEXT NOT NULL, query_time TIME NOT NULL, lock_time TIME NOT NULL, rows_sent INTEGER NOT NULL, rows_examined INTEGER NOT NULL, db VARCHAR(512), last_insert_id INTEGER, insert_id INTEGER, server_id INTEGER, sql_text MEDIUMTEXT NOT NULL) engine=CSV CHARACTER SET utf8 comment="Slow log"', 'SET @dummy = 0');
SET @str = IF (@@have_csv = 'YES', 'CREATE TABLE IF NOT EXISTS slow_log (start_time TIMESTAMP NOT NULL, user_host MEDIUMTEXT NOT NULL, query_time TIME NOT NULL, lock_time TIME NOT NULL, rows_sent INTEGER NOT NULL, rows_examined INTEGER NOT NULL, db VARCHAR(512) NOT NULL, last_insert_id INTEGER NOT NULL, insert_id INTEGER NOT NULL, server_id INTEGER NOT NULL, sql_text MEDIUMTEXT NOT NULL) engine=CSV CHARACTER SET utf8 comment="Slow log"', 'SET @dummy = 0');
PREPARE stmt FROM @str;
EXECUTE stmt;
......
sql/ha_partition.cc
View file @ f7898d04
......@@ -3391,6 +3391,22 @@ int ha_partition::index_init(uint inx, bool sorted)
*/
if (m_lock_type == F_WRLCK)
bitmap_union(table->read_set, &m_part_info->full_part_field_set);
else if (sorted && m_table_flags & HA_PARTIAL_COLUMN_READ)
{
/*
An ordered scan is requested and necessary fields aren't in read_set.
This may happen e.g. with SELECT COUNT(*) FROM t1. We must ensure
that all fields of current key are included into read_set, as
partitioning requires them for sorting
(see ha_partition::handle_ordered_index_scan).
TODO: handle COUNT(*) queries via unordered scan.
*/
uint i;
for (i= 0; i < m_curr_key_info->key_parts; i++)
bitmap_set_bit(table->read_set,
m_curr_key_info->key_part[i].field->field_index);
}
file= m_file;
do
{
......@@ -4540,6 +4556,8 @@ void ha_partition::get_dynamic_partition_info(PARTITION_INFO *stat_info,
4) Parameters only used by temporary tables for query processing
5) Parameters only used by MyISAM internally
6) Parameters not used at all
7) Parameters only used by federated tables for query processing
8) Parameters only used by NDB
The partition handler need to handle category 1), 2) and 3).
......@@ -4806,6 +4824,15 @@ void ha_partition::get_dynamic_partition_info(PARTITION_INFO *stat_info,
HA_EXTRA_INSERT_WITH_UPDATE:
Inform handler that an "INSERT...ON DUPLICATE KEY UPDATE" will be
executed. This condition is unset by HA_EXTRA_NO_IGNORE_DUP_KEY.
8) Parameters only used by NDB
------------------------------
HA_EXTRA_DELETE_CANNOT_BATCH:
HA_EXTRA_UPDATE_CANNOT_BATCH:
Inform handler that delete_row()/update_row() cannot batch deletes/updates
and should perform them immediately. This may be needed when table has
AFTER DELETE/UPDATE triggers which access to subject table.
These flags are reset by the handler::extra(HA_EXTRA_RESET) call.
*/
int ha_partition::extra(enum ha_extra_function operation)
......@@ -4890,6 +4917,13 @@ int ha_partition::extra(enum ha_extra_function operation)
/* Category 7), used by federated handlers */
case HA_EXTRA_INSERT_WITH_UPDATE:
DBUG_RETURN(loop_extra(operation));
/* Category 8) Parameters only used by NDB */
case HA_EXTRA_DELETE_CANNOT_BATCH:
case HA_EXTRA_UPDATE_CANNOT_BATCH:
{
/* Currently only NDB use the *_CANNOT_BATCH */
break;
}
default:
{
/* Temporary crash to discover what is wrong */
......
sql/sql_base.cc
View file @ f7898d04
......@@ -7758,7 +7758,17 @@ open_performance_schema_table(THD *thd, TABLE_LIST *one_table,
table->timestamp_field_type= TIMESTAMP_NO_AUTO_SET;
}
else
{
/*
If error in mysql_lock_tables(), open_ltable doesn't close the
table. Thread kill during mysql_lock_tables() is such error. But
open tables cannot be accepted when restoring the open tables
state.
*/
if (thd->killed)
close_thread_tables(thd);
thd->restore_backup_open_tables_state(backup);
}
thd->utime_after_lock= save_utime_after_lock;
DBUG_RETURN(table);
......
sql/sql_plugin.cc
View file @ f7898d04
......@@ -3053,7 +3053,7 @@ static int test_plugin_options(MEM_ROOT *tmp_root, struct st_plugin_int *tmp,
MEM_ROOT *mem_root= alloc_root_inited(&tmp->mem_root) ?
&tmp->mem_root : &plugin_mem_root;
st_mysql_sys_var **opt;
my_option *opts;
my_option *opts= NULL;
char *p, *varname;
int error;
st_mysql_sys_var *o;
......@@ -3092,7 +3092,7 @@ static int test_plugin_options(MEM_ROOT *tmp_root, struct st_plugin_int *tmp,
{
sql_print_error("Parsing options for plugin '%s' failed.",
tmp->name.str);
DBUG_RETURN(error);
goto err;
}
}
......@@ -3102,6 +3102,8 @@ static int test_plugin_options(MEM_ROOT *tmp_root, struct st_plugin_int *tmp,
*enabled= TRUE;
}
error= 1;
if (*enabled)
{
for (opt= tmp->plugin->system_vars; opt && *opt; opt++)
......@@ -3140,7 +3142,7 @@ static int test_plugin_options(MEM_ROOT *tmp_root, struct st_plugin_int *tmp,
{
sql_print_error("Plugin '%s' has conflicting system variables",
tmp->name.str);
DBUG_RETURN(1);
goto err;
}
tmp->system_vars= chain.first;
}
......@@ -3150,7 +3152,10 @@ static int test_plugin_options(MEM_ROOT *tmp_root, struct st_plugin_int *tmp,
if (enabled_saved && global_system_variables.log_warnings)
sql_print_information("Plugin '%s' disabled by command line option",
tmp->name.str);
DBUG_RETURN(1);
err:
if (opts)
my_cleanup_options(opts);
DBUG_RETURN(error);
}
......
sql/table.cc
View file @ f7898d04
......@@ -969,6 +969,7 @@ static int open_binary_frm(THD *thd, TABLE_SHARE *share, uchar *head,
}
parser_name.str= (char*) next_chunk;
parser_name.length= strlen((char*) next_chunk);
next_chunk+= parser_name.length + 1;
keyinfo->parser= my_plugin_lock_by_name(NULL, &parser_name,
MYSQL_FTPARSER_PLUGIN);
if (! keyinfo->parser)
......
storage/csv/ha_tina.cc
View file @ f7898d04
......@@ -471,22 +471,30 @@ int ha_tina::encode_quote(uchar *buf)
{
const char *ptr;
const char *end_ptr;
const bool was_null= (*field)->is_null();
/*
CSV does not support nulls. Write quoted 0 to the buffer. In fact,
(*field)->val_str(&attribute,&attribute) would usually return 0
in this case but we write it explicitly here.
Basically this is a safety check, as no one ensures that the
field content is cleaned up every time we use Field::set_null()
in the code.
CSV does not support nulls. ::create() prevents creation of a table
with nullable columns so if we encounter them here, there is a bug.
This may only occur if the frm was created by an older version of
mysqld which permitted table creation with nullable columns.
*/
if ((*field)->is_null())
DBUG_ASSERT(!(*field)->maybe_null());
/*
assistance for backwards compatibility in production builds.
note: this will not work for ENUM columns.
*/
if (was_null)
{
buffer.append(STRING_WITH_LEN("\"0\","));
continue;
(*field)->set_default();
(*field)->set_notnull();
}
(*field)->val_str(&attribute,&attribute);
if (was_null)
(*field)->set_null();
if ((*field)->str_needs_quotes())
{
......@@ -1480,6 +1488,16 @@ int ha_tina::create(const char *name, TABLE *table_arg,
File create_file;
DBUG_ENTER("ha_tina::create");
/*
check columns
*/
for (Field **field= table_arg->s->field; *field; field++)
{
if ((*field)->real_maybe_null())
DBUG_RETURN(-1);
}
if ((create_file= my_create(fn_format(name_buff, name, "", CSM_EXT,
MY_REPLACE_EXT|MY_UNPACK_FILENAME), 0,
O_RDWR | O_TRUNC,MYF(MY_WME))) < 0)
......
storage/heap/hp_delete.c
View file @ f7898d04
......@@ -72,10 +72,7 @@ int hp_rb_delete_key(HP_INFO *info, register HP_KEYDEF *keyinfo,
int res;
if (flag)
{
info->last_pos= NULL; /* For heap_rnext/heap_rprev */
info->lastkey_len= 0;
}
custom_arg.keyseg= keyinfo->seg;
custom_arg.key_length= hp_rb_make_key(keyinfo, info->recbuf, record, recpos);
......
storage/heap/hp_rfirst.c
View file @ f7898d04
......@@ -35,6 +35,17 @@ int heap_rfirst(HP_INFO *info, uchar *record, int inx)
sizeof(uchar*));
info->current_ptr = pos;
memcpy(record, pos, (size_t)share->reclength);
/*
If we're performing index_first on a table that was taken from
table cache, info->lastkey_len is initialized to previous query.
Thus we set info->lastkey_len to proper value for subsequent
heap_rnext() calls.
This is needed for DELETE queries only, otherwise this variable is
not used.
Note that the same workaround may be needed for heap_rlast(), but
for now heap_rlast() is never used for DELETE queries.
*/
info->lastkey_len= 0;
info->update = HA_STATE_AKTIV;
}
else
......
storage/heap/hp_rnext.c
View file @ f7898d04
......@@ -33,11 +33,40 @@ int heap_rnext(HP_INFO *info, uchar *record)
heap_rb_param custom_arg;
if (info->last_pos)
{
/*
We enter this branch for non-DELETE queries after heap_rkey()
or heap_rfirst(). As last key position (info->last_pos) is available,
we only need to climb the tree using tree_search_next().
*/
pos = tree_search_next(&keyinfo->rb_tree, &info->last_pos,
offsetof(TREE_ELEMENT, left),
offsetof(TREE_ELEMENT, right));
}
else if (!info->lastkey_len)
{
/*
We enter this branch only for DELETE queries after heap_rfirst(). E.g.
DELETE FROM t1 WHERE a<10. As last key position is not available
(last key is removed by heap_delete()), we must restart search as it
is done in heap_rfirst().
It should be safe to handle this situation without this branch. That is
branch below should find smallest element in a tree as lastkey_len is
zero. tree_search_edge() is a kind of optimisation here as it should be
faster than tree_search_key().
*/
pos= tree_search_edge(&keyinfo->rb_tree, info->parents,
&info->last_pos, offsetof(TREE_ELEMENT, left));
}
else
{
/*
We enter this branch only for DELETE queries after heap_rkey(). E.g.
DELETE FROM t1 WHERE a=10. As last key position is not available
(last key is removed by heap_delete()), we must restart search as it
is done in heap_rkey().
*/
custom_arg.keyseg = keyinfo->seg;
custom_arg.key_length = info->lastkey_len;
custom_arg.search_flag = SEARCH_SAME | SEARCH_FIND;
......
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