# # Test of heap tables. # --disable_warnings drop table if exists t1,t2,t3; --enable_warnings create table t1 (a int not null,b int not null, primary key (a)) engine=heap comment="testing heaps" avg_row_length=100 min_rows=1 max_rows=100; insert into t1 values(1,1),(2,2),(3,3),(4,4); delete from t1 where a=1 or a=0; #show table status like "t1"; show keys from t1; select * from t1; select * from t1 where a=4; update t1 set b=5 where a=4; update t1 set b=b+1 where a>=3; replace t1 values (3,3); select * from t1; alter table t1 add c int not null, add key (c,a); drop table t1; create table t1 (a int not null,b int not null, primary key (a)) engine=memory comment="testing heaps"; insert into t1 values(1,1),(2,2),(3,3),(4,4); delete from t1 where a > 0; select * from t1; drop table t1; create table t1 (a int not null,b int not null, primary key (a)) engine=heap comment="testing heaps"; insert into t1 values(1,1),(2,2),(3,3),(4,4); alter table t1 modify a int not null auto_increment, engine=myisam, comment="new myisam table"; #show table status like "t1"; select * from t1; drop table t1; create table t1 (a int not null) engine=heap; insert into t1 values (869751),(736494),(226312),(802616),(728912); select * from t1 where a > 736494; alter table t1 add unique uniq_id(a); select * from t1 where a > 736494; select * from t1 where a = 736494; select * from t1 where a=869751 or a=736494; select * from t1 where a in (869751,736494,226312,802616); alter table t1 engine=myisam; explain select * from t1 where a in (869751,736494,226312,802616); drop table t1; create table t1 (x int not null, y int not null, key x (x), unique y (y)) engine=heap; insert into t1 values (1,1),(2,2),(1,3),(2,4),(2,5),(2,6); select * from t1 where x=1; select * from t1,t1 as t2 where t1.x=t2.y; explain select * from t1,t1 as t2 where t1.x=t2.y; drop table t1; create table t1 (a int) engine=heap; insert into t1 values(1); select max(a) from t1; drop table t1; CREATE TABLE t1 ( a int not null default 0, b int not null default 0, key(a), key(b) ) ENGINE=HEAP; insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6); select * from t1 where a=1; insert into t1 values(1,1),(1,2),(2,3),(1,3),(1,4),(1,5),(1,6); select * from t1 where a=1; drop table t1; create table t1 (id int unsigned not null, primary key (id)) engine=HEAP; insert into t1 values(1); select max(id) from t1; insert into t1 values(2); select max(id) from t1; replace into t1 values(1); drop table t1; create table t1 (n int) engine=heap; drop table t1; create table t1 (n int) engine=heap; drop table if exists t1; # Test of non unique index CREATE table t1(f1 int not null,f2 char(20) not null,index(f2)) engine=heap; INSERT into t1 set f1=12,f2="bill"; INSERT into t1 set f1=13,f2="bill"; INSERT into t1 set f1=14,f2="bill"; INSERT into t1 set f1=15,f2="bill"; INSERT into t1 set f1=16,f2="ted"; INSERT into t1 set f1=12,f2="ted"; INSERT into t1 set f1=12,f2="ted"; INSERT into t1 set f1=12,f2="ted"; INSERT into t1 set f1=12,f2="ted"; delete from t1 where f2="bill"; select * from t1; drop table t1; # # Test when using part key searches # create table t1 (btn char(10) not null, key(btn)) engine=heap; insert into t1 values ("hello"),("hello"),("hello"),("hello"),("hello"),("a"),("b"),("c"),("d"),("e"),("f"),("g"),("h"),("i"); explain select * from t1 where btn like "q%"; select * from t1 where btn like "q%"; alter table t1 add column new_col char(1) not null, add key (btn,new_col), drop key btn; update t1 set new_col=left(btn,1); explain select * from t1 where btn="a"; explain select * from t1 where btn="a" and new_col="a"; drop table t1; # # Test of NULL keys # CREATE TABLE t1 ( a int default NULL, b int default NULL, KEY a (a), UNIQUE b (b) ) engine=heap; INSERT INTO t1 VALUES (NULL,99),(99,NULL),(1,1),(2,2),(1,3); SELECT * FROM t1 WHERE a=NULL; explain SELECT * FROM t1 WHERE a IS NULL; SELECT * FROM t1 WHERE a<=>NULL; SELECT * FROM t1 WHERE b=NULL; explain SELECT * FROM t1 WHERE b IS NULL; SELECT * FROM t1 WHERE b<=>NULL; --error 1062 INSERT INTO t1 VALUES (1,3); DROP TABLE t1; CREATE TABLE t1 ( a int default NULL, key a (a) ) ENGINE=HEAP; INSERT INTO t1 VALUES (10), (10), (10); EXPLAIN SELECT * FROM t1 WHERE a=10; SELECT * FROM t1 WHERE a=10; DROP TABLE t1; # # Test when deleting all rows # CREATE TABLE t1 (a int not null, primary key(a)) engine=heap; INSERT into t1 values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11); DELETE from t1 where a < 100; SELECT * from t1; DROP TABLE t1; # # Bug#4411 Server hangs when trying to SELECT MAX(id) from an empty HEAP table # CREATE TABLE `job_titles` ( `job_title_id` int(6) unsigned NOT NULL default '0', `job_title` char(18) NOT NULL default '', PRIMARY KEY (`job_title_id`), UNIQUE KEY `job_title_id` (`job_title_id`,`job_title`) ) ENGINE=HEAP; SELECT MAX(job_title_id) FROM job_titles; DROP TABLE job_titles; # # Test of delete with NOT NULL # (Bug #6082) # CREATE TABLE t1 (a INT NOT NULL, B INT, KEY(B)) ENGINE=HEAP; INSERT INTO t1 VALUES(1,1), (1,NULL); SELECT * FROM t1 WHERE B is not null; DROP TABLE t1; # # Bug #6748 # heap_rfirst() doesn't work (and never did!) # CREATE TABLE t1 (pseudo char(35) PRIMARY KEY, date int(10) unsigned NOT NULL) ENGINE=HEAP; INSERT INTO t1 VALUES ('massecot',1101106491),('altec',1101106492),('stitch+',1101106304),('Seb Corgan',1101106305),('beerfilou',1101106263),('flaker',1101106529),('joce8',5),('M4vrick',1101106418),('gabay008',1101106525),('Vamp irX',1101106291),('ZoomZip',1101106546),('rip666',1101106502),('CBP ',1101106397),('guezpard',1101106496); DELETE FROM t1 WHERE date<1101106546; SELECT * FROM t1; DROP TABLE t1; # # Bug #6878: a problem with small length records # create table t1(a char(2)) engine=memory; insert into t1 values (NULL), (NULL); delete from t1 where a is null; insert into t1 values ('2'), ('3'); select * from t1; drop table t1; # # Test varchar # We can't use varchar.inc becasue heap doesn't support blob's # let $default=`select @@storage_engine`; set storage_engine=HEAP; # # Simple basic test that endspace is saved # create table t1 (v varchar(10), c char(10), t varchar(50)); insert into t1 values('+ ', '+ ', '+ '); set @a=repeat(' ',20); insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a)); select concat('*',v,'*',c,'*',t,'*') from t1; # Check how columns are copied show create table t1; create table t2 like t1; show create table t2; create table t3 select * from t1; show create table t3; alter table t1 modify c varchar(10); show create table t1; alter table t1 modify v char(10); show create table t1; alter table t1 modify t varchar(10); show create table t1; select concat('*',v,'*',c,'*',t,'*') from t1; drop table t1,t2,t3; # # Testing of keys # create table t1 (v varchar(10), c char(10), t varchar(50), key(v), key(c), key(t(10))); show create table t1; disable_query_log; let $1=10; while ($1) { let $2=27; eval set @space=repeat(' ',10-$1); while ($2) { eval set @char=char(ascii('a')+$2-1); insert into t1 values(concat(@char,@space),concat(@char,@space),concat(@char,@space)); dec $2; } dec $1; } enable_query_log; select count(*) from t1; insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1))); select count(*) from t1 where v='a'; select count(*) from t1 where c='a'; select count(*) from t1 where t='a'; select count(*) from t1 where v='a '; select count(*) from t1 where c='a '; select count(*) from t1 where t='a '; select count(*) from t1 where v between 'a' and 'a '; select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; select count(*) from t1 where v like 'a%'; select count(*) from t1 where c like 'a%'; select count(*) from t1 where t like 'a%'; select count(*) from t1 where v like 'a %'; explain select count(*) from t1 where v='a '; explain select count(*) from t1 where c='a '; explain select count(*) from t1 where t='a '; explain select count(*) from t1 where v like 'a%'; explain select count(*) from t1 where v between 'a' and 'a '; explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; --error 1062 alter table t1 add unique(v); select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a' order by length(concat('*',v,'*',c,'*',t,'*')); explain select * from t1 where v='a'; # GROUP BY select v,count(*) from t1 group by v limit 10; select v,count(t) from t1 group by v limit 10; select v,count(c) from t1 group by v limit 10; select sql_big_result trim(v),count(t) from t1 group by v limit 10; select sql_big_result trim(v),count(c) from t1 group by v limit 10; select c,count(*) from t1 group by c limit 10; select c,count(t) from t1 group by c limit 10; select sql_big_result c,count(t) from t1 group by c limit 10; select t,count(*) from t1 group by t limit 10; select t,count(t) from t1 group by t limit 10; select sql_big_result trim(t),count(t) from t1 group by t limit 10; drop table t1; # # Test unique keys # create table t1 (a char(10), unique (a)); insert into t1 values ('a'); --error 1062 insert into t1 values ('a '); alter table t1 modify a varchar(10); --error 1062 insert into t1 values ('a '),('a '),('a '),('a '); --error 1062 insert into t1 values ('a '); --error 1062 insert into t1 values ('a '); --error 1062 insert into t1 values ('a '); update t1 set a='a ' where a like 'a '; update t1 set a='a ' where a like 'a '; drop table t1; # # Testing of btree keys # create table t1 (v varchar(10), c char(10), t varchar(50), key using btree (v), key using btree (c), key using btree (t(10))); show create table t1; disable_query_log; let $1=10; while ($1) { let $2=27; eval set @space=repeat(' ',10-$1); while ($2) { eval set @char=char(ascii('a')+$2-1); insert into t1 values(concat(@char,@space),concat(@char,@space),concat(@char,@space)); dec $2; } dec $1; } enable_query_log; select count(*) from t1; insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1))); select count(*) from t1 where v='a'; select count(*) from t1 where c='a'; select count(*) from t1 where t='a'; select count(*) from t1 where v='a '; select count(*) from t1 where c='a '; select count(*) from t1 where t='a '; select count(*) from t1 where v between 'a' and 'a '; --replace_column 9 # select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; --replace_column 9 # explain select count(*) from t1 where v='a '; --replace_column 9 # explain select count(*) from t1 where c='a '; --replace_column 9 # explain select count(*) from t1 where t='a '; --replace_column 9 # explain select count(*) from t1 where v like 'a%'; --replace_column 9 # explain select count(*) from t1 where v between 'a' and 'a '; --replace_column 9 # explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; --error 1062 alter table t1 add unique(v); select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a' order by length(concat('*',v,'*',c,'*',t,'*')); # Number of rows is not constant for b-trees keys --replace_column 9 # explain select * from t1 where v='a'; drop table t1; # # Test unique btree keys # create table t1 (a char(10), unique using btree (a)) engine=heap; insert into t1 values ('a'); --error 1062 insert into t1 values ('a '); alter table t1 modify a varchar(10); --error 1062 insert into t1 values ('a '),('a '),('a '),('a '); --error 1062 insert into t1 values ('a '); --error 1062 insert into t1 values ('a '); --error 1062 insert into t1 values ('a '); update t1 set a='a ' where a like 'a '; update t1 set a='a ' where a like 'a '; drop table t1; # # test show create table # create table t1 (v varchar(10), c char(10), t varchar(50), key(v(5)), key(c(5)), key(t(5))); show create table t1; drop table t1; create table t1 (v varchar(65530), key(v(10))); show create table t1; insert into t1 values(repeat('a',65530)); select length(v) from t1 where v=repeat('a',65530); drop table t1; # # Reset varchar test # eval set storage_engine=$default; # # Bug #8489: Strange auto_increment behaviour # create table t1 (a bigint unsigned auto_increment primary key, b int, key (b, a)) engine=heap; insert t1 (b) values (1),(1),(1),(1),(1),(1),(1),(1); select * from t1; drop table t1; create table t1 (a int not null, b int not null auto_increment, primary key(a, b), key(b)) engine=heap; insert t1 (a) values (1),(1),(1),(1),(1),(1),(1),(1); select * from t1; drop table t1; --error 1075 create table t1 (a int not null, b int not null auto_increment, primary key(a, b)) engine=heap; # # Bug #10566: Verify that we can create a prefixed key with length > 255 # create table t1 (c char(255), primary key(c(90))); insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"); --error 1062 insert into t1 values ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"); drop table t1; # End of 4.1 tests