diff options
Diffstat (limited to 'mysql-test/r')
17 files changed, 4615 insertions, 1211 deletions
diff --git a/mysql-test/r/innodb_cache.result b/mysql-test/r/cache_innodb.result index 5c494814df9..7f9b3e279a9 100644 --- a/mysql-test/r/innodb_cache.result +++ b/mysql-test/r/cache_innodb.result @@ -1,7 +1,8 @@ +SET SESSION STORAGE_ENGINE = InnoDB; drop table if exists t1,t2,t3; flush status; set autocommit=0; -create table t1 (a int not null) engine=innodb; +create table t1 (a int not null); insert into t1 values (1),(2),(3); select * from t1; a @@ -15,7 +16,7 @@ drop table t1; commit; set autocommit=1; begin; -create table t1 (a int not null) engine=innodb; +create table t1 (a int not null); insert into t1 values (1),(2),(3); select * from t1; a @@ -27,9 +28,9 @@ Variable_name Value Qcache_queries_in_cache 1 drop table t1; commit; -create table t1 (a int not null) engine=innodb; -create table t2 (a int not null) engine=innodb; -create table t3 (a int not null) engine=innodb; +create table t1 (a int not null); +create table t2 (a int not null); +create table t3 (a int not null); insert into t1 values (1),(2); insert into t2 values (1),(2); insert into t3 values (1),(2); @@ -99,7 +100,7 @@ show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 1 drop table t3,t2,t1; -CREATE TABLE t1 (id int(11) NOT NULL auto_increment, PRIMARY KEY (id)) ENGINE=InnoDB; +CREATE TABLE t1 (id int(11) NOT NULL auto_increment, PRIMARY KEY (id)); select count(*) from t1; count(*) 0 @@ -109,9 +110,9 @@ count(*) 1 drop table t1; set GLOBAL query_cache_size=1355776; -CREATE TABLE t1 ( id int(10) NOT NULL auto_increment, a varchar(25) default NULL, PRIMARY KEY (id), UNIQUE KEY a (a)) ENGINE=innodb; -CREATE TABLE t2 ( id int(10) NOT NULL auto_increment, b varchar(25) default NULL, PRIMARY KEY (id), UNIQUE KEY b (b)) ENGINE=innodb; -CREATE TABLE t3 ( id int(10) NOT NULL auto_increment, t1_id int(10) NOT NULL default '0', t2_id int(10) NOT NULL default '0', state int(11) default NULL, PRIMARY KEY (id), UNIQUE KEY t1_id (t1_id,t2_id), KEY t2_id (t2_id,t1_id), CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`t1_id`) REFERENCES `t1` (`id`), CONSTRAINT `t3_ibfk_2` FOREIGN KEY (`t2_id`) REFERENCES `t2` (`id`)) ENGINE=innodb; +CREATE TABLE t1 ( id int(10) NOT NULL auto_increment, a varchar(25) default NULL, PRIMARY KEY (id), UNIQUE KEY a (a)); +CREATE TABLE t2 ( id int(10) NOT NULL auto_increment, b varchar(25) default NULL, PRIMARY KEY (id), UNIQUE KEY b (b)); +CREATE TABLE t3 ( id int(10) NOT NULL auto_increment, t1_id int(10) NOT NULL default '0', t2_id int(10) NOT NULL default '0', state int(11) default NULL, PRIMARY KEY (id), UNIQUE KEY t1_id (t1_id,t2_id), KEY t2_id (t2_id,t1_id), CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`t1_id`) REFERENCES `t1` (`id`), CONSTRAINT `t3_ibfk_2` FOREIGN KEY (`t2_id`) REFERENCES `t2` (`id`)); INSERT INTO t1 VALUES (1,'me'); INSERT INTO t2 VALUES (1,'you'); INSERT INTO t3 VALUES (2,1,1,2); diff --git a/mysql-test/r/innodb_concurrent.result b/mysql-test/r/concurrent_innodb.result index 56adb812cb7..27e2cde077c 100644 --- a/mysql-test/r/innodb_concurrent.result +++ b/mysql-test/r/concurrent_innodb.result @@ -1,9 +1,7 @@ +SET SESSION STORAGE_ENGINE = InnoDB; drop table if exists t1; -Warnings: -Note 1051 Unknown table 't1' -create table t1(eta int(11) not null, tipo int(11), c varchar(255)) ENGINE=innodb; -Warnings: -Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); +SET SESSION STORAGE_ENGINE = InnoDB; insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); @@ -106,9 +104,7 @@ eta tipo c 2 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj 1 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk drop table t1; -create table t1(eta int(11) not null, tipo int(11), c varchar(255)) ENGINE=innodb; -Warnings: -Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); @@ -211,7 +207,7 @@ eta tipo c 80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj 90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk drop table t1; -create table t1 (a int not null, b int not null) engine=innodb; +create table t1 (a int not null, b int not null); insert into t1 values (1,1),(2,1),(3,1),(4,1); select get_lock("hello2",1000); get_lock("hello2",1000) @@ -239,9 +235,7 @@ a b 1 1 commit; drop table t1; -create table t1(eta int(11) not null, tipo int(11), c varchar(255)) ENGINE=innodb; -Warnings: -Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); @@ -323,9 +317,7 @@ eta tipo c 80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj 90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk drop table t1; -create table t1(eta int(11) not null, tipo int(11), c varchar(255)) ENGINE=innodb; -Warnings: -Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); @@ -407,9 +399,7 @@ eta tipo c 80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj 90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk drop table t1; -create table t1(eta int(11) not null, tipo int(11), c varchar(255)) ENGINE=innodb; -Warnings: -Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); @@ -478,9 +468,7 @@ eta tipo c 80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj 90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk drop table t1; -create table t1(eta int(11) not null, tipo int(11), c varchar(255)) ENGINE=innodb; -Warnings: -Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); @@ -549,9 +537,7 @@ eta tipo c 80 22 jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj 90 11 kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk drop table t1; -create table t1(eta int(11) not null, tipo int(11), c varchar(255)) ENGINE=innodb; -Warnings: -Warning 1287 'TYPE=storage_engine' is deprecated; use 'ENGINE=storage_engine' instead +create table t1(eta int(11) not null, tipo int(11), c varchar(255)); insert into t1 values (7,7, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"); insert into t1 values (8,8, "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"); insert into t1 values (10,1,"ccccccccccccccccccccccccccccccccccccccccccc"); diff --git a/mysql-test/r/innodb-deadlock.result b/mysql-test/r/deadlock_innodb.result index 2ca82101fb4..a0686d1c844 100644 --- a/mysql-test/r/innodb-deadlock.result +++ b/mysql-test/r/deadlock_innodb.result @@ -1,25 +1,33 @@ +# Establish connection con1 (user=root) +# Establish connection con2 (user=root) drop table if exists t1,t2; -create table t1 (id integer, x integer) engine=INNODB; +# Switch to connection con1 +create table t1 (id integer, x integer) engine = InnoDB; insert into t1 values(0, 0); set autocommit=0; SELECT * from t1 where id = 0 FOR UPDATE; id x 0 0 +# Switch to connection con2 set autocommit=0; update t1 set x=2 where id = 0; +# Switch to connection con1 update t1 set x=1 where id = 0; select * from t1; id x 0 1 commit; +# Switch to connection con2 commit; +# Switch to connection con1 select * from t1; id x 0 2 commit; drop table t1; -create table t1 (id integer, x integer) engine=INNODB; -create table t2 (b integer, a integer) engine=INNODB; +# Switch to connection con1 +create table t1 (id integer, x integer) engine = InnoDB; +create table t2 (b integer, a integer) engine = InnoDB; insert into t1 values(0, 0), (300, 300); insert into t2 values(0, 10), (1, 20), (2, 30); commit; @@ -39,26 +47,31 @@ select * from t1; id x 0 0 300 300 +# Switch to connection con2 set autocommit=0; update t1 set x=2 where id = 0; +# Switch to connection con1 update t1 set x=1 where id = 0; select * from t1; id x 0 1 300 300 commit; +# Switch to connection con2 commit; +# Switch to connection con1 select * from t1; id x 0 2 300 300 commit; drop table t1, t2; -create table t1 (id integer, x integer) engine=INNODB; -create table t2 (b integer, a integer) engine=INNODB; +create table t1 (id integer, x integer) engine = InnoDB; +create table t2 (b integer, a integer) engine = InnoDB; insert into t1 values(0, 0), (300, 300); insert into t2 values(0, 0), (1, 20), (2, 30); commit; +# Switch to connection con1 select a,b from t2 UNION SELECT id, x from t1 FOR UPDATE; a b 0 0 @@ -74,6 +87,7 @@ select * from t1; id x 0 0 300 300 +# Switch to connection con2 update t2 set a=2 where b = 0; select * from t2; b a @@ -81,16 +95,20 @@ b a 1 20 2 30 update t1 set x=2 where id = 0; +# Switch to connection con1 update t1 set x=1 where id = 0; select * from t1; id x 0 1 300 300 commit; +# Switch to connection con2 commit; +# Switch to connection con1 select * from t1; id x 0 2 300 300 commit; +# Switch to connection default + disconnect con1 and con2 drop table t1, t2; diff --git a/mysql-test/r/handler.result b/mysql-test/r/handler_innodb.result index 104025e83eb..86d13b096a4 100644 --- a/mysql-test/r/handler.result +++ b/mysql-test/r/handler_innodb.result @@ -1,3 +1,4 @@ +SET SESSION STORAGE_ENGINE = InnoDB; drop table if exists t1,t3,t4,t5; create table t1 (a int, b char(10), key a(a), key b(a,b)); insert into t1 values @@ -137,6 +138,29 @@ a b handler t2 read last; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 handler t2 close; +handler t1 open; +handler t1 read a next; +a b +14 aaa +handler t1 read a next; +a b +15 bbb +handler t1 close; +handler t1 open; +handler t1 read a prev; +a b +22 iii +handler t1 read a prev; +a b +21 hhh +handler t1 close; +handler t1 open as t2; +handler t2 read first; +a b +17 ddd +alter table t1 engine = InnoDB; +handler t2 read first; +ERROR 42S02: Unknown table 't2' in HANDLER handler t1 open as t2; drop table t1; create table t1 (a int); @@ -214,16 +238,16 @@ insert into t1 values (''); handler t1 open; handler t1 read first limit 9; table_id -test_test.t1 +test_test.t1 create table t2(table_id char(20) primary key); insert into t2 values ('test_test.t2'); insert into t2 values (''); handler t2 open; handler t2 read first limit 9; table_id -test_test.t2 +test_test.t2 use test; drop table if exists t1; create table t1(table_id char(20) primary key); @@ -238,14 +262,14 @@ handler test_test.t1 read first limit 9; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'read first limit 9' at line 1 handler t1 read first limit 9; table_id -test_test.t1 +test_test.t1 handler test_test.t2 read first limit 9; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'read first limit 9' at line 1 handler t2 read first limit 9; table_id -test_test.t2 +test_test.t2 handler test_test.t1 close; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'close' at line 1 handler t1 close; @@ -463,6 +487,15 @@ Table Op Msg_type Msg_text test.t1 optimize status OK proceed with the normal connection drop table t1; +CREATE TABLE t1 ( no1 smallint(5) NOT NULL default '0', no2 int(10) NOT NULL default '0', PRIMARY KEY (no1,no2)); +INSERT INTO t1 VALUES (1,274),(1,275),(2,6),(2,8),(4,1),(4,2); +HANDLER t1 OPEN; +HANDLER t1 READ `primary` = (1, 1000); +no1 no2 +HANDLER t1 READ `primary` PREV; +no1 no2 +1 275 +DROP TABLE t1; create table t1 (c1 int); insert into t1 values (14397); flush tables with read lock; diff --git a/mysql-test/r/handler_myisam.result b/mysql-test/r/handler_myisam.result new file mode 100644 index 00000000000..f70bb318130 --- /dev/null +++ b/mysql-test/r/handler_myisam.result @@ -0,0 +1,517 @@ +SET SESSION STORAGE_ENGINE = MyISAM; +drop table if exists t1,t3,t4,t5; +create table t1 (a int, b char(10), key a(a), key b(a,b)); +insert into t1 values +(17,"ddd"),(18,"eee"),(19,"fff"),(19,"yyy"), +(14,"aaa"),(15,"bbb"),(16,"ccc"),(16,"xxx"), +(20,"ggg"),(21,"hhh"),(22,"iii"); +handler t1 open as t2; +handler t2 read a=(SELECT 1); +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'SELECT 1)' at line 1 +handler t2 read a first; +a b +14 aaa +handler t2 read a next; +a b +15 bbb +handler t2 read a next; +a b +16 ccc +handler t2 read a prev; +a b +15 bbb +handler t2 read a last; +a b +22 iii +handler t2 read a prev; +a b +21 hhh +handler t2 read a prev; +a b +20 ggg +handler t2 read a first; +a b +14 aaa +handler t2 read a prev; +a b +handler t2 read a last; +a b +22 iii +handler t2 read a prev; +a b +21 hhh +handler t2 read a next; +a b +22 iii +handler t2 read a next; +a b +handler t2 read a=(15); +a b +15 bbb +handler t2 read a=(16); +a b +16 ccc +handler t2 read a=(19,"fff"); +ERROR 42000: Too many key parts specified; max 1 parts allowed +handler t2 read b=(19,"fff"); +a b +19 fff +handler t2 read b=(19,"yyy"); +a b +19 yyy +handler t2 read b=(19); +a b +19 fff +handler t1 read a last; +ERROR 42S02: Unknown table 't1' in HANDLER +handler t2 read a=(11); +a b +handler t2 read a>=(11); +a b +14 aaa +handler t2 read a=(18); +a b +18 eee +handler t2 read a>=(18); +a b +18 eee +handler t2 read a>(18); +a b +19 fff +handler t2 read a<=(18); +a b +18 eee +handler t2 read a<(18); +a b +17 ddd +handler t2 read a first limit 5; +a b +14 aaa +15 bbb +16 ccc +16 xxx +17 ddd +handler t2 read a next limit 3; +a b +18 eee +19 fff +19 yyy +handler t2 read a prev limit 10; +a b +19 fff +18 eee +17 ddd +16 xxx +16 ccc +15 bbb +14 aaa +handler t2 read a>=(16) limit 4; +a b +16 ccc +16 xxx +17 ddd +18 eee +handler t2 read a>=(16) limit 2,2; +a b +17 ddd +18 eee +handler t2 read a last limit 3; +a b +22 iii +21 hhh +20 ggg +handler t2 read a=(19); +a b +19 fff +handler t2 read a=(19) where b="yyy"; +a b +19 yyy +handler t2 read first; +a b +17 ddd +handler t2 read next; +a b +18 eee +handler t2 read next; +a b +19 fff +handler t2 read last; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 +handler t2 close; +handler t1 open; +handler t1 read a next; +a b +14 aaa +handler t1 read a next; +a b +15 bbb +handler t1 close; +handler t1 open; +handler t1 read a prev; +a b +22 iii +handler t1 read a prev; +a b +21 hhh +handler t1 close; +handler t1 open as t2; +handler t2 read first; +a b +17 ddd +alter table t1 engine = MyISAM; +handler t2 read first; +ERROR 42S02: Unknown table 't2' in HANDLER +handler t1 open as t2; +drop table t1; +create table t1 (a int); +insert into t1 values (17); +handler t2 read first; +ERROR 42S02: Unknown table 't2' in HANDLER +handler t1 open as t2; +alter table t1 engine=MyISAM; +handler t2 read first; +ERROR 42S02: Unknown table 't2' in HANDLER +drop table t1; +create table t1 (a int); +insert into t1 values (1),(2),(3),(4),(5),(6); +delete from t1 limit 2; +handler t1 open; +handler t1 read first; +a +3 +handler t1 read first limit 1,1; +a +4 +handler t1 read first limit 2,2; +a +5 +6 +delete from t1 limit 3; +handler t1 read first; +a +6 +drop table t1; +create table t1(a int, index(a)); +insert into t1 values (1), (2), (3); +handler t1 open; +handler t1 read a=(W); +ERROR 42S22: Unknown column 'W' in 'field list' +handler t1 read a=(a); +ERROR HY000: Incorrect arguments to HANDLER ... READ +drop table t1; +create table t1 (a char(5)); +insert into t1 values ("Ok"); +handler t1 open as t; +handler t read first; +a +Ok +use mysql; +handler t read first; +a +Ok +handler t close; +handler test.t1 open as t; +handler t read first; +a +Ok +handler t close; +use test; +drop table t1; +create table t1 ( a int, b int, INDEX a (a) ); +insert into t1 values (1,2), (2,1); +handler t1 open; +handler t1 read a=(1) where b=2; +a b +1 2 +handler t1 read a=(1) where b=3; +a b +handler t1 read a=(1) where b=1; +a b +handler t1 close; +drop table t1; +drop database if exists test_test; +create database test_test; +use test_test; +create table t1(table_id char(20) primary key); +insert into t1 values ('test_test.t1'); +insert into t1 values (''); +handler t1 open; +handler t1 read first limit 9; +table_id +test_test.t1 + +create table t2(table_id char(20) primary key); +insert into t2 values ('test_test.t2'); +insert into t2 values (''); +handler t2 open; +handler t2 read first limit 9; +table_id +test_test.t2 + +use test; +drop table if exists t1; +create table t1(table_id char(20) primary key); +insert into t1 values ('test.t1'); +insert into t1 values (''); +handler t1 open; +ERROR 42000: Not unique table/alias: 't1' +use test; +handler test.t1 read first limit 9; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'read first limit 9' at line 1 +handler test_test.t1 read first limit 9; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'read first limit 9' at line 1 +handler t1 read first limit 9; +table_id +test_test.t1 + +handler test_test.t2 read first limit 9; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'read first limit 9' at line 1 +handler t2 read first limit 9; +table_id +test_test.t2 + +handler test_test.t1 close; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'close' at line 1 +handler t1 close; +drop table test_test.t1; +handler test_test.t2 close; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'close' at line 1 +handler t2 close; +drop table test_test.t2; +drop database test_test; +use test; +handler test.t1 close; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'close' at line 1 +handler t1 close; +ERROR 42S02: Unknown table 't1' in HANDLER +drop table test.t1; +drop database if exists test_test; +drop table if exists t1; +drop table if exists t2; +drop table if exists t3; +create database test_test; +use test_test; +create table t1 (c1 char(20)); +insert into t1 values ('test_test.t1'); +create table t3 (c1 char(20)); +insert into t3 values ('test_test.t3'); +handler t1 open; +handler t1 read first limit 9; +c1 +test_test.t1 +handler t1 open h1; +handler h1 read first limit 9; +c1 +test_test.t1 +use test; +create table t1 (c1 char(20)); +create table t2 (c1 char(20)); +create table t3 (c1 char(20)); +insert into t1 values ('t1'); +insert into t2 values ('t2'); +insert into t3 values ('t3'); +handler t1 open; +ERROR 42000: Not unique table/alias: 't1' +handler t2 open t1; +ERROR 42000: Not unique table/alias: 't1' +handler t3 open t1; +ERROR 42000: Not unique table/alias: 't1' +handler t1 read first limit 9; +c1 +test_test.t1 +handler test.t1 close; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'close' at line 1 +handler test.t1 open h1; +ERROR 42000: Not unique table/alias: 'h1' +handler test_test.t1 open h1; +ERROR 42000: Not unique table/alias: 'h1' +handler test_test.t3 open h3; +handler test.t1 open h2; +handler t1 read first limit 9; +c1 +test_test.t1 +handler h1 read first limit 9; +c1 +test_test.t1 +handler h2 read first limit 9; +c1 +t1 +handler h3 read first limit 9; +c1 +test_test.t3 +handler h2 read first limit 9; +c1 +t1 +handler test.h1 close; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'close' at line 1 +handler t1 close; +handler h1 close; +handler h2 close; +handler t1 read first limit 9; +ERROR 42S02: Unknown table 't1' in HANDLER +handler h1 read first limit 9; +ERROR 42S02: Unknown table 'h1' in HANDLER +handler h2 read first limit 9; +ERROR 42S02: Unknown table 'h2' in HANDLER +handler h3 read first limit 9; +c1 +test_test.t3 +handler h3 read first limit 9; +c1 +test_test.t3 +use test_test; +handler h3 read first limit 9; +c1 +test_test.t3 +handler test.h3 read first limit 9; +ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'read first limit 9' at line 1 +handler h3 close; +use test; +drop table t3; +drop table t2; +drop table t1; +drop database test_test; +create table t1 (c1 char(20)); +insert into t1 values ("t1"); +handler t1 open as h1; +handler h1 read first limit 9; +c1 +t1 +create table t2 (c1 char(20)); +insert into t2 values ("t2"); +handler t2 open as h2; +handler h2 read first limit 9; +c1 +t2 +create table t3 (c1 char(20)); +insert into t3 values ("t3"); +handler t3 open as h3; +handler h3 read first limit 9; +c1 +t3 +create table t4 (c1 char(20)); +insert into t4 values ("t4"); +handler t4 open as h4; +handler h4 read first limit 9; +c1 +t4 +create table t5 (c1 char(20)); +insert into t5 values ("t5"); +handler t5 open as h5; +handler h5 read first limit 9; +c1 +t5 +alter table t1 engine=MyISAM; +handler h1 read first limit 9; +ERROR 42S02: Unknown table 'h1' in HANDLER +handler h2 read first limit 9; +c1 +t2 +handler h3 read first limit 9; +c1 +t3 +handler h4 read first limit 9; +c1 +t4 +handler h5 read first limit 9; +c1 +t5 +alter table t5 engine=MyISAM; +handler h1 read first limit 9; +ERROR 42S02: Unknown table 'h1' in HANDLER +handler h2 read first limit 9; +c1 +t2 +handler h3 read first limit 9; +c1 +t3 +handler h4 read first limit 9; +c1 +t4 +handler h5 read first limit 9; +ERROR 42S02: Unknown table 'h5' in HANDLER +alter table t3 engine=MyISAM; +handler h1 read first limit 9; +ERROR 42S02: Unknown table 'h1' in HANDLER +handler h2 read first limit 9; +c1 +t2 +handler h3 read first limit 9; +ERROR 42S02: Unknown table 'h3' in HANDLER +handler h4 read first limit 9; +c1 +t4 +handler h5 read first limit 9; +ERROR 42S02: Unknown table 'h5' in HANDLER +handler h2 close; +handler h4 close; +handler t1 open as h1_1; +handler t1 open as h1_2; +handler t1 open as h1_3; +handler h1_1 read first limit 9; +c1 +t1 +handler h1_2 read first limit 9; +c1 +t1 +handler h1_3 read first limit 9; +c1 +t1 +alter table t1 engine=MyISAM; +handler h1_1 read first limit 9; +ERROR 42S02: Unknown table 'h1_1' in HANDLER +handler h1_2 read first limit 9; +ERROR 42S02: Unknown table 'h1_2' in HANDLER +handler h1_3 read first limit 9; +ERROR 42S02: Unknown table 'h1_3' in HANDLER +drop table t1; +drop table t2; +drop table t3; +drop table t4; +drop table t5; +create table t1 (c1 int); +insert into t1 values (1); +handler t1 open; +handler t1 read first; +c1 +1 +send the below to another connection, do not wait for the result + optimize table t1; +proceed with the normal connection +handler t1 read next; +c1 +1 +handler t1 close; +read the result from the other connection +Table Op Msg_type Msg_text +test.t1 optimize status OK +proceed with the normal connection +drop table t1; +CREATE TABLE t1 ( no1 smallint(5) NOT NULL default '0', no2 int(10) NOT NULL default '0', PRIMARY KEY (no1,no2)); +INSERT INTO t1 VALUES (1,274),(1,275),(2,6),(2,8),(4,1),(4,2); +HANDLER t1 OPEN; +HANDLER t1 READ `primary` = (1, 1000); +no1 no2 +HANDLER t1 READ `primary` PREV; +no1 no2 +1 275 +DROP TABLE t1; +create table t1 (c1 int); +insert into t1 values (14397); +flush tables with read lock; +drop table t1; +ERROR HY000: Can't execute the query because you have a conflicting read lock +send the below to another connection, do not wait for the result + drop table t1; +proceed with the normal connection +select * from t1; +c1 +14397 +unlock tables; +read the result from the other connection +proceed with the normal connection +select * from t1; +ERROR 42S02: Table 'test.t1' doesn't exist +drop table if exists t1; +Warnings: +Note 1051 Unknown table 't1' diff --git a/mysql-test/r/index_merge.result b/mysql-test/r/index_merge.result deleted file mode 100644 index 6365bd0a664..00000000000 --- a/mysql-test/r/index_merge.result +++ /dev/null @@ -1,426 +0,0 @@ -drop table if exists t0, t1, t2, t3, t4; -create table t0 -( -key1 int not null, -INDEX i1(key1) -); -alter table t0 add key2 int not null, add index i2(key2); -alter table t0 add key3 int not null, add index i3(key3); -alter table t0 add key4 int not null, add index i4(key4); -alter table t0 add key5 int not null, add index i5(key5); -alter table t0 add key6 int not null, add index i6(key6); -alter table t0 add key7 int not null, add index i7(key7); -alter table t0 add key8 int not null, add index i8(key8); -update t0 set key2=key1,key3=key1,key4=key1,key5=key1,key6=key1,key7=key1,key8=1024-key1; -analyze table t0; -Table Op Msg_type Msg_text -test.t0 analyze status OK -explain select * from t0 where key1 < 3 or key1 > 1020; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 range i1 i1 4 NULL 78 Using where -explain -select * from t0 where key1 < 3 or key2 > 1020; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 45 Using sort_union(i1,i2); Using where -select * from t0 where key1 < 3 or key2 > 1020; -key1 key2 key3 key4 key5 key6 key7 key8 -1 1 1 1 1 1 1 1023 -2 2 2 2 2 2 2 1022 -1021 1021 1021 1021 1021 1021 1021 3 -1022 1022 1022 1022 1022 1022 1022 2 -1023 1023 1023 1023 1023 1023 1023 1 -1024 1024 1024 1024 1024 1024 1024 0 -explain select * from t0 where key1 < 3 or key2 <4; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 7 Using sort_union(i1,i2); Using where -explain -select * from t0 where (key1 > 30 and key1<35) or (key2 >32 and key2 < 40); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 11 Using sort_union(i1,i2); Using where -select * from t0 where (key1 > 30 and key1<35) or (key2 >32 and key2 < 40); -key1 key2 key3 key4 key5 key6 key7 key8 -31 31 31 31 31 31 31 993 -32 32 32 32 32 32 32 992 -33 33 33 33 33 33 33 991 -34 34 34 34 34 34 34 990 -35 35 35 35 35 35 35 989 -36 36 36 36 36 36 36 988 -37 37 37 37 37 37 37 987 -38 38 38 38 38 38 38 986 -39 39 39 39 39 39 39 985 -explain select * from t0 ignore index (i2) where key1 < 3 or key2 <4; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ALL i1 NULL NULL NULL 1024 Using where -explain select * from t0 where (key1 < 3 or key2 <4) and key3 = 50; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ref i1,i2,i3 i3 4 const 1 Using where -explain select * from t0 use index (i1,i2) where (key1 < 3 or key2 <4) and key3 = 50; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 7 Using sort_union(i1,i2); Using where -explain select * from t0 where (key1 > 1 or key2 > 2); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ALL i1,i2 NULL NULL NULL 1024 Using where -explain select * from t0 force index (i1,i2) where (key1 > 1 or key2 > 2); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 1024 Using sort_union(i1,i2); Using where -explain -select * from t0 where key1<3 or key2<3 or (key1>5 and key1<8) or -(key1>10 and key1<12) or (key2>100 and key2<110); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 17 Using sort_union(i1,i2); Using where -explain select * from t0 where key2 = 45 or key1 <=> null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 range i1,i2 i2 4 NULL 1 Using where -explain select * from t0 where key2 = 45 or key1 is not null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ALL i1,i2 NULL NULL NULL 1024 Using where -explain select * from t0 where key2 = 45 or key1 is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ref i2 i2 4 const 1 -explain select * from t0 where key2=10 or key3=3 or key4 <=> null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i2,i3,i4 i2,i3 4,4 NULL 2 Using union(i2,i3); Using where -explain select * from t0 where key2=10 or key3=3 or key4 is null; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i2,i3 i2,i3 4,4 NULL 2 Using union(i2,i3); Using where -explain select key1 from t0 where (key1 <=> null) or (key2 < 5) or -(key3=10) or (key4 <=> null); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2,i3,i4 i2,i3 4,4 NULL 6 Using sort_union(i2,i3); Using where -explain select key1 from t0 where (key1 <=> null) or (key1 < 5) or -(key3=10) or (key4 <=> null); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i3,i4 i1,i3 4,4 NULL 6 Using sort_union(i1,i3); Using where -explain select * from t0 where -(key1 < 3 or key2 < 3) and (key3 < 4 or key4 < 4) and (key5 < 5 or key6 < 5); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2,i3,i4,i5,i6 i1,i2 4,4 NULL 6 Using sort_union(i1,i2); Using where -explain -select * from t0 where (key1 < 3 or key2 < 6) and (key1 < 7 or key3 < 4); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2,i3 i1,i2 4,4 NULL 9 Using sort_union(i1,i2); Using where -select * from t0 where (key1 < 3 or key2 < 6) and (key1 < 7 or key3 < 4); -key1 key2 key3 key4 key5 key6 key7 key8 -1 1 1 1 1 1 1 1023 -2 2 2 2 2 2 2 1022 -3 3 3 3 3 3 3 1021 -4 4 4 4 4 4 4 1020 -5 5 5 5 5 5 5 1019 -explain select * from t0 where -(key1 < 3 or key2 < 3) and (key3 < 4 or key4 < 4) and (key5 < 2 or key6 < 2); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2,i3,i4,i5,i6 i1,i2 4,4 NULL 6 Using sort_union(i1,i2); Using where -explain select * from t0 where -(key1 < 3 or key2 < 3) and (key3 < 100); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 range i1,i2,i3 i3 4 NULL 95 Using where -explain select * from t0 where -(key1 < 3 or key2 < 3) and (key3 < 1000); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ALL i1,i2,i3 NULL NULL NULL 1024 Using where -explain select * from t0 where -((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4)) -or -key2 > 5; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ALL i1,i2,i3 NULL NULL NULL 1024 Using where -explain select * from t0 where -((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4)) -or -key1 < 7; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2,i3 i1,i2 4,4 NULL 10 Using sort_union(i1,i2); Using where -select * from t0 where -((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4)) -or -key1 < 7; -key1 key2 key3 key4 key5 key6 key7 key8 -1 1 1 1 1 1 1 1023 -2 2 2 2 2 2 2 1022 -3 3 3 3 3 3 3 1021 -4 4 4 4 4 4 4 1020 -5 5 5 5 5 5 5 1019 -6 6 6 6 6 6 6 1018 -explain select * from t0 where -((key1 < 4 or key2 < 4) and (key3 <5 or key5 < 4)) -or -((key5 < 5 or key6 < 6) and (key7 <7 or key8 < 4)); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2,i3,i5,i6,i7,i8 i1,i2,i5,i6 4,4,4,4 NULL 19 Using sort_union(i1,i2,i5,i6); Using where -explain select * from t0 where -((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4)) -or -((key7 <7 or key8 < 4) and (key5 < 5 or key6 < 6)); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2,i3,i5,i6,i7,i8 i3,i5,i7,i8 4,4,4,4 NULL 20 Using sort_union(i3,i5,i7,i8); Using where -explain select * from t0 where -((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4)) -or -((key3 <7 or key5 < 2) and (key5 < 5 or key6 < 6)); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2,i3,i5,i6 i3,i5 4,4 NULL 11 Using sort_union(i3,i5); Using where -explain select * from t0 where -((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4)) -or -(((key3 <7 and key7 < 6) or key5 < 2) and (key5 < 5 or key6 < 6)); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2,i3,i5,i6,i7 i3,i5 4,4 NULL 11 Using sort_union(i3,i5); Using where -explain select * from t0 where -((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4)) -or -((key3 >=5 or key5 < 2) and (key5 < 5 or key6 < 6)); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ALL i1,i2,i3,i5,i6 NULL NULL NULL 1024 Using where -explain select * from t0 force index(i1, i2, i3, i4, i5, i6 ) where -((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4)) -or -((key3 >=5 or key5 < 2) and (key5 < 5 or key6 < 6)); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2,i3,i5,i6 i3,i5 0,4 NULL 1024 Using sort_union(i3,i5); Using where -select * from t0 where key1 < 5 or key8 < 4 order by key1; -key1 key2 key3 key4 key5 key6 key7 key8 -1 1 1 1 1 1 1 1023 -2 2 2 2 2 2 2 1022 -3 3 3 3 3 3 3 1021 -4 4 4 4 4 4 4 1020 -1021 1021 1021 1021 1021 1021 1021 3 -1022 1022 1022 1022 1022 1022 1022 2 -1023 1023 1023 1023 1023 1023 1023 1 -1024 1024 1024 1024 1024 1024 1024 0 -explain -select * from t0 where key1 < 5 or key8 < 4 order by key1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i8 i1,i8 4,4 NULL 9 Using sort_union(i1,i8); Using where; Using filesort -create table t2 like t0; -insert into t2 select * from t0; -alter table t2 add index i1_3(key1, key3); -alter table t2 add index i2_3(key2, key3); -alter table t2 drop index i1; -alter table t2 drop index i2; -alter table t2 add index i321(key3, key2, key1); -explain select key3 from t2 where key1 = 100 or key2 = 100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index_merge i1_3,i2_3 i1_3,i2_3 4,4 NULL 2 Using sort_union(i1_3,i2_3); Using where -explain select key3 from t2 where key1 <100 or key2 < 100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 index i1_3,i2_3 i321 12 NULL 1024 Using where; Using index -explain select key7 from t2 where key1 <100 or key2 < 100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ALL i1_3,i2_3 NULL NULL NULL 1024 Using where -create table t4 ( -key1a int not null, -key1b int not null, -key2 int not null, -key2_1 int not null, -key2_2 int not null, -key3 int not null, -index i1a (key1a, key1b), -index i1b (key1b, key1a), -index i2_1(key2, key2_1), -index i2_2(key2, key2_1) -); -insert into t4 select key1,key1,key1 div 10, key1 % 10, key1 % 10, key1 from t0; -select * from t4 where key1a = 3 or key1b = 4; -key1a key1b key2 key2_1 key2_2 key3 -3 3 0 3 3 3 -4 4 0 4 4 4 -explain select * from t4 where key1a = 3 or key1b = 4; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t4 index_merge i1a,i1b i1a,i1b 4,4 NULL 2 Using sort_union(i1a,i1b); Using where -explain select * from t4 where key2 = 1 and (key2_1 = 1 or key3 = 5); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t4 ref i2_1,i2_2 i2_1 4 const 10 Using where -explain select * from t4 where key2 = 1 and (key2_1 = 1 or key2_2 = 5); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t4 ref i2_1,i2_2 i2_1 4 const 10 Using where -explain select * from t4 where key2_1 = 1 or key2_2 = 5; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t4 ALL NULL NULL NULL NULL 1024 Using where -create table t1 like t0; -insert into t1 select * from t0; -explain select * from t0 left join t1 on (t0.key1=t1.key1) -where t0.key1=3 or t0.key2=4; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 2 Using union(i1,i2); Using where -1 SIMPLE t1 ref i1 i1 4 test.t0.key1 1 -select * from t0 left join t1 on (t0.key1=t1.key1) -where t0.key1=3 or t0.key2=4; -key1 key2 key3 key4 key5 key6 key7 key8 key1 key2 key3 key4 key5 key6 key7 key8 -3 3 3 3 3 3 3 1021 3 3 3 3 3 3 3 1021 -4 4 4 4 4 4 4 1020 4 4 4 4 4 4 4 1020 -explain -select * from t0,t1 where (t0.key1=t1.key1) and ( t0.key1=3 or t0.key2=4); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 2 Using union(i1,i2); Using where -1 SIMPLE t1 ref i1 i1 4 test.t0.key1 1 -explain -select * from t0,t1 where (t0.key1=t1.key1) and -(t0.key1=3 or t0.key2=4) and t1.key1<200; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ALL i1,i2 NULL NULL NULL 1024 Using where -1 SIMPLE t1 ref i1 i1 4 test.t0.key1 1 -explain -select * from t0,t1 where (t0.key1=t1.key1) and -(t0.key1=3 or t0.key2<4) and t1.key1=2; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ref i1,i2 i1 4 const 1 Using where -1 SIMPLE t1 ref i1 i1 4 const 1 -explain select * from t0,t1 where t0.key1 = 5 and -(t1.key1 = t0.key1 or t1.key8 = t0.key1); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 ref i1 i1 4 const 1 -1 SIMPLE t1 index_merge i1,i8 i1,i8 4,4 NULL 2 Using union(i1,i8); Using where -explain select * from t0,t1 where t0.key1 < 3 and -(t1.key1 = t0.key1 or t1.key8 = t0.key1); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 range i1 i1 4 NULL 3 Using where -1 SIMPLE t1 ALL i1,i8 NULL NULL NULL 1024 Range checked for each record (index map: 0x81) -explain select * from t1 where key1=3 or key2=4 -union select * from t1 where key1<4 or key3=5; -id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY t1 index_merge i1,i2 i1,i2 4,4 NULL 2 Using union(i1,i2); Using where -2 UNION t1 index_merge i1,i3 i1,i3 4,4 NULL 5 Using sort_union(i1,i3); Using where -NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL -explain select * from (select * from t1 where key1 = 3 or key2 =3) as Z where key8 >5; -id select_type table type possible_keys key key_len ref rows Extra -1 PRIMARY <derived2> system NULL NULL NULL NULL 1 -2 DERIVED t1 index_merge i1,i2 i1,i2 4,4 NULL 2 Using union(i1,i2); Using where -create table t3 like t0; -insert into t3 select * from t0; -alter table t3 add key9 int not null, add index i9(key9); -alter table t3 add keyA int not null, add index iA(keyA); -alter table t3 add keyB int not null, add index iB(keyB); -alter table t3 add keyC int not null, add index iC(keyC); -update t3 set key9=key1,keyA=key1,keyB=key1,keyC=key1; -explain select * from t3 where -key1=1 or key2=2 or key3=3 or key4=4 or -key5=5 or key6=6 or key7=7 or key8=8 or -key9=9 or keyA=10 or keyB=11 or keyC=12; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 index_merge i1,i2,i3,i4,i5,i6,i7,i8,i9,iA,iB,iC i1,i2,i3,i4,i5,i6,i7,i8,i9,iA,iB,iC 4,4,4,4,4,4,4,4,4,4,4,4 NULL 12 Using union(i1,i2,i3,i4,i5,i6,i7,i8,i9,iA,iB,iC); Using where -select * from t3 where -key1=1 or key2=2 or key3=3 or key4=4 or -key5=5 or key6=6 or key7=7 or key8=8 or -key9=9 or keyA=10 or keyB=11 or keyC=12; -key1 key2 key3 key4 key5 key6 key7 key8 key9 keyA keyB keyC -1 1 1 1 1 1 1 1023 1 1 1 1 -2 2 2 2 2 2 2 1022 2 2 2 2 -3 3 3 3 3 3 3 1021 3 3 3 3 -4 4 4 4 4 4 4 1020 4 4 4 4 -5 5 5 5 5 5 5 1019 5 5 5 5 -6 6 6 6 6 6 6 1018 6 6 6 6 -7 7 7 7 7 7 7 1017 7 7 7 7 -9 9 9 9 9 9 9 1015 9 9 9 9 -10 10 10 10 10 10 10 1014 10 10 10 10 -11 11 11 11 11 11 11 1013 11 11 11 11 -12 12 12 12 12 12 12 1012 12 12 12 12 -1016 1016 1016 1016 1016 1016 1016 8 1016 1016 1016 1016 -explain select * from t0 where key1 < 3 or key2 < 4; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 7 Using sort_union(i1,i2); Using where -select * from t0 where key1 < 3 or key2 < 4; -key1 key2 key3 key4 key5 key6 key7 key8 -1 1 1 1 1 1 1 1023 -2 2 2 2 2 2 2 1022 -3 3 3 3 3 3 3 1021 -update t0 set key8=123 where key1 < 3 or key2 < 4; -select * from t0 where key1 < 3 or key2 < 4; -key1 key2 key3 key4 key5 key6 key7 key8 -1 1 1 1 1 1 1 123 -2 2 2 2 2 2 2 123 -3 3 3 3 3 3 3 123 -delete from t0 where key1 < 3 or key2 < 4; -select * from t0 where key1 < 3 or key2 < 4; -key1 key2 key3 key4 key5 key6 key7 key8 -select count(*) from t0; -count(*) -1021 -drop table t4; -create table t4 (a int); -insert into t4 values (1),(4),(3); -set @save_join_buffer_size=@@join_buffer_size; -set join_buffer_size= 4000; -explain select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) -from t0 as A force index(i1,i2), t0 as B force index (i1,i2) -where (A.key1 < 500000 or A.key2 < 3) -and (B.key1 < 500000 or B.key2 < 3); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE A index_merge i1,i2 i1,i2 4,4 NULL 1013 Using sort_union(i1,i2); Using where -1 SIMPLE B index_merge i1,i2 i1,i2 4,4 NULL 1013 Using sort_union(i1,i2); Using where -select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) -from t0 as A force index(i1,i2), t0 as B force index (i1,i2) -where (A.key1 < 500000 or A.key2 < 3) -and (B.key1 < 500000 or B.key2 < 3); -max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) -10240 -update t0 set key1=1; -explain select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) -from t0 as A force index(i1,i2), t0 as B force index (i1,i2) -where (A.key1 = 1 or A.key2 = 1) -and (B.key1 = 1 or B.key2 = 1); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE A index_merge i1,i2 i1,i2 4,4 NULL 1020 Using union(i1,i2); Using where -1 SIMPLE B index_merge i1,i2 i1,i2 4,4 NULL 1020 Using union(i1,i2); Using where -select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) -from t0 as A force index(i1,i2), t0 as B force index (i1,i2) -where (A.key1 = 1 or A.key2 = 1) -and (B.key1 = 1 or B.key2 = 1); -max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) -8194 -alter table t0 add filler1 char(200), add filler2 char(200), add filler3 char(200); -update t0 set key2=1, key3=1, key4=1, key5=1,key6=1,key7=1 where key7 < 500; -explain select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) -from t0 as A, t0 as B -where (A.key1 = 1 and A.key2 = 1 and A.key3 = 1 and A.key4=1 and A.key5=1 and A.key6=1 and A.key7 = 1 or A.key8=1) -and (B.key1 = 1 and B.key2 = 1 and B.key3 = 1 and B.key4=1 and B.key5=1 and B.key6=1 and B.key7 = 1 or B.key8=1); -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE A index_merge i1,i2,i3,i4,i5,i6,i7?,i8 i2,i3,i4,i5,i6,i7?,i8 X NULL # Using union(intersect(i2,i3,i4,i5,i6,i7?),i8); Using where -1 SIMPLE B index_merge i1,i2,i3,i4,i5,i6,i7?,i8 i2,i3,i4,i5,i6,i7?,i8 X NULL # Using union(intersect(i2,i3,i4,i5,i6,i7?),i8); Using where -select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) -from t0 as A, t0 as B -where (A.key1 = 1 and A.key2 = 1 and A.key3 = 1 and A.key4=1 and A.key5=1 and A.key6=1 and A.key7 = 1 or A.key8=1) -and (B.key1 = 1 and B.key2 = 1 and B.key3 = 1 and B.key4=1 and B.key5=1 and B.key6=1 and B.key7 = 1 or B.key8=1); -max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) -8186 -set join_buffer_size= @save_join_buffer_size; -drop table t0, t1, t2, t3, t4; -CREATE TABLE t1 ( -cola char(3) not null, colb char(3) not null, filler char(200), -key(cola), key(colb) -); -INSERT INTO t1 VALUES ('foo','bar', 'ZZ'),('fuz','baz', 'ZZ'); -OPTIMIZE TABLE t1; -Table Op Msg_type Msg_text -test.t1 optimize status OK -select count(*) from t1; -count(*) -8704 -explain select * from t1 WHERE cola = 'foo' AND colb = 'bar'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge cola,colb cola,colb 3,3 NULL 32 Using intersect(cola,colb); Using where -explain select * from t1 force index(cola,colb) WHERE cola = 'foo' AND colb = 'bar'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge cola,colb cola,colb 3,3 NULL 32 Using intersect(cola,colb); Using where -drop table t1; -create table t0 (a int); -insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); -create table t1 ( -a int, b int, -filler1 char(200), filler2 char(200), -key(a),key(b) -); -insert into t1 select @v:= A.a, @v, 't1', 'filler2' from t0 A, t0 B, t0 C; -create table t2 like t1; -create table t3 ( -a int, b int, -filler1 char(200), filler2 char(200), -key(a),key(b) -) engine=merge union=(t1,t2); -explain select * from t1 where a=1 and b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge a,b a,b 5,5 NULL # Using intersect(a,b); Using where -explain select * from t3 where a=1 and b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t3 index_merge a,b a,b 5,5 NULL # Using intersect(a,b); Using where -drop table t3; -drop table t0, t1, t2; diff --git a/mysql-test/r/index_merge_innodb.result b/mysql-test/r/index_merge_innodb.result index ae25cc28101..d8cb4cab96d 100644 --- a/mysql-test/r/index_merge_innodb.result +++ b/mysql-test/r/index_merge_innodb.result @@ -1,11 +1,13 @@ +#---------------- Index merge test 2 ------------------------------------------- +SET SESSION STORAGE_ENGINE = InnoDB; drop table if exists t1,t2; create table t1 ( -key1 int not null, -key2 int not null, +key1 int not null, +key2 int not null, INDEX i1(key1), INDEX i2(key2) -) engine=innodb; +); explain select * from t1 where key1 < 5 or key2 > 197; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index_merge i1,i2 i1,i2 4,4 NULL 8 Using sort_union(i1,i2); Using where @@ -26,7 +28,7 @@ key1 key2 2 198 3 197 4 196 -alter table t1 add str1 char (255) not null, +alter table t1 add str1 char (255) not null, add zeroval int not null default 0, add str2 char (255) not null, add str3 char (255) not null; @@ -60,7 +62,7 @@ key2 integer not null, filler char (200), index (key1), index (key2) -) engine=innodb; +); show warnings; Level Code Message explain select pk from t1 where key1 = 1 and key2 = 1; @@ -91,14 +93,14 @@ filler1 char (200), index i1(key1a, key1b), index i2(key2a, key2b), index i3(key3a, key3b) -) engine=innodb; +); create table t2 (a int); insert into t2 values (0),(1),(2),(3),(4),(NULL); -insert into t1 (key1a, key1b, key2a, key2b, key3a, key3b) +insert into t1 (key1a, key1b, key2a, key2b, key3a, key3b) select A.a, B.a, C.a, D.a, C.a, D.a from t2 A,t2 B,t2 C, t2 D; -insert into t1 (key1a, key1b, key2a, key2b, key3a, key3b) +insert into t1 (key1a, key1b, key2a, key2b, key3a, key3b) select key1a, key1b, key2a, key2b, key3a, key3b from t1; -insert into t1 (key1a, key1b, key2a, key2b, key3a, key3b) +insert into t1 (key1a, key1b, key2a, key2b, key3a, key3b) select key1a, key1b, key2a, key2b, key3a, key3b from t1; analyze table t1; Table Op Msg_type Msg_text @@ -106,19 +108,19 @@ test.t1 analyze status OK select count(*) from t1; count(*) 5184 -explain select count(*) from t1 where +explain select count(*) from t1 where key1a = 2 and key1b is null and key2a = 2 and key2b is null; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index_merge i1,i2 i1,i2 10,10 NULL 4 Using intersect(i1,i2); Using where; Using index -select count(*) from t1 where +select count(*) from t1 where key1a = 2 and key1b is null and key2a = 2 and key2b is null; count(*) 4 -explain select count(*) from t1 where +explain select count(*) from t1 where key1a = 2 and key1b is null and key3a = 2 and key3b is null; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 index_merge i1,i3 i1,i3 10,10 NULL 4 Using intersect(i1,i3); Using where; Using index -select count(*) from t1 where +select count(*) from t1 where key1a = 2 and key1b is null and key3a = 2 and key3b is null; count(*) 4 @@ -127,8 +129,8 @@ create table t1 ( id1 int, id2 date , index idx2 (id1,id2), -index idx1 (id2) -) engine = innodb; +index idx1 (id2) +); insert into t1 values(1,'20040101'), (2,'20040102'); select * from t1 where id1 = 1 and id2= '20040101'; id1 id2 @@ -147,8 +149,8 @@ PRIMARY KEY (`oid`), KEY `fk_bbk_niederlassung` (`fk_bbk_niederlassung`), KEY `fk_wochentag` (`fk_wochentag`), KEY `ix_version` (`version`) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -insert into t1 values +) DEFAULT CHARSET=latin1; +insert into t1 values (1, 38, 1, '08:00:00', '13:00:00', 0, 1), (2, 38, 2, '08:00:00', '13:00:00', 0, 1), (3, 38, 3, '08:00:00', '13:00:00', 0, 1), @@ -174,25 +176,25 @@ insert into t1 values (23, 7, 3, '08:00:00', '13:00:00', 0, 1), (24, 7, 4, '08:00:00', '13:00:00', 0, 1), (25, 7, 5, '08:00:00', '13:00:00', 0, 1); -create view v1 as -select -zeit1.oid AS oid, +create view v1 as +select +zeit1.oid AS oid, zeit1.fk_bbk_niederlassung AS fk_bbk_niederlassung, zeit1.fk_wochentag AS fk_wochentag, -zeit1.uhrzeit_von AS uhrzeit_von, -zeit1.uhrzeit_bis AS uhrzeit_bis, +zeit1.uhrzeit_von AS uhrzeit_von, +zeit1.uhrzeit_bis AS uhrzeit_bis, zeit1.geloescht AS geloescht, zeit1.version AS version -from +from t1 zeit1 -where -(zeit1.version = +where +(zeit1.version = (select max(zeit2.version) AS `max(version)` - from t1 zeit2 -where -((zeit1.fk_bbk_niederlassung = zeit2.fk_bbk_niederlassung) and -(zeit1.fk_wochentag = zeit2.fk_wochentag) and -(zeit1.uhrzeit_von = zeit2.uhrzeit_von) and + from t1 zeit2 +where +((zeit1.fk_bbk_niederlassung = zeit2.fk_bbk_niederlassung) and +(zeit1.fk_wochentag = zeit2.fk_wochentag) and +(zeit1.uhrzeit_von = zeit2.uhrzeit_von) and (zeit1.uhrzeit_bis = zeit2.uhrzeit_bis) ) ) @@ -213,7 +215,7 @@ filler2 char(250) default NULL, PRIMARY KEY (t_cpac,t_vers,t_rele,t_cust), UNIQUE KEY IX_4 (t_cust,t_cpac,t_vers,t_rele), KEY IX_5 (t_vers,t_rele,t_cust) -) ENGINE=InnoDB; +); insert into t1 values ('tm','2.5 ','a ',' ','',''), ('tm','2.5U','a ','stnd','',''), ('da','3.3 ','b ',' ','',''), ('da','3.3U','b ','stnd','',''), @@ -275,10 +277,267 @@ primary key (pk), key idx1(a,b,c), key idx2(c), key idx3(kp1,kp2,kp3,kp4,kp5) -) engine=innodb default charset=latin1; +) default charset=latin1; set @fill=NULL; -SELECT COUNT(*) FROM t1 WHERE b = 0 AND a = 0 AND c = 13286427 AND +SELECT COUNT(*) FROM t1 WHERE b = 0 AND a = 0 AND c = 13286427 AND kp1='279' AND kp2='ELM0678' AND kp3='6' AND kp4='10' AND kp5 = 'R '; COUNT(*) 1 drop table t1; +#---------------- 2-sweeps read Index merge test 2 ------------------------------- +SET SESSION STORAGE_ENGINE = InnoDB; +drop table if exists t1; +create table t1 ( +pk int primary key, +key1 int, +key2 int, +filler char(200), +filler2 char(200), +index(key1), +index(key2) +); +select * from t1 where (key1 >= 2 and key1 <= 10) or (pk >= 4 and pk <=8 ); +pk key1 key2 filler filler2 +2 2 2 filler-data filler-data-2 +3 3 3 filler-data filler-data-2 +9 9 9 filler-data filler-data-2 +10 10 10 filler-data filler-data-2 +4 4 4 filler-data filler-data-2 +5 5 5 filler-data filler-data-2 +6 6 6 filler-data filler-data-2 +7 7 7 filler-data filler-data-2 +8 8 8 filler-data filler-data-2 +set @maxv=1000; +select * from t1 where +(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10) +or key1=18 or key1=60; +pk key1 key2 filler filler2 +18 18 18 filler-data filler-data-2 +60 60 60 filler-data filler-data-2 +1 1 1 filler-data filler-data-2 +2 2 2 filler-data filler-data-2 +3 3 3 filler-data filler-data-2 +4 4 4 filler-data filler-data-2 +11 11 11 filler-data filler-data-2 +12 12 12 filler-data filler-data-2 +13 13 13 filler-data filler-data-2 +14 14 14 filler-data filler-data-2 +50 50 50 filler-data filler-data-2 +51 51 51 filler-data filler-data-2 +52 52 52 filler-data filler-data-2 +53 53 53 filler-data filler-data-2 +54 54 54 filler-data filler-data-2 +991 991 991 filler-data filler-data-2 +992 992 992 filler-data filler-data-2 +993 993 993 filler-data filler-data-2 +994 994 994 filler-data filler-data-2 +995 995 995 filler-data filler-data-2 +996 996 996 filler-data filler-data-2 +997 997 997 filler-data filler-data-2 +998 998 998 filler-data filler-data-2 +999 999 999 filler-data filler-data-2 +1000 1000 1000 filler-data filler-data-2 +select * from t1 where +(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10) +or key1 < 3 or key1 > @maxv-11; +pk key1 key2 filler filler2 +990 990 990 filler-data filler-data-2 +1 1 1 filler-data filler-data-2 +2 2 2 filler-data filler-data-2 +3 3 3 filler-data filler-data-2 +4 4 4 filler-data filler-data-2 +11 11 11 filler-data filler-data-2 +12 12 12 filler-data filler-data-2 +13 13 13 filler-data filler-data-2 +14 14 14 filler-data filler-data-2 +50 50 50 filler-data filler-data-2 +51 51 51 filler-data filler-data-2 +52 52 52 filler-data filler-data-2 +53 53 53 filler-data filler-data-2 +54 54 54 filler-data filler-data-2 +991 991 991 filler-data filler-data-2 +992 992 992 filler-data filler-data-2 +993 993 993 filler-data filler-data-2 +994 994 994 filler-data filler-data-2 +995 995 995 filler-data filler-data-2 +996 996 996 filler-data filler-data-2 +997 997 997 filler-data filler-data-2 +998 998 998 filler-data filler-data-2 +999 999 999 filler-data filler-data-2 +1000 1000 1000 filler-data filler-data-2 +select * from t1 where +(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10) +or +(key1 < 5) or (key1 > 10 and key1 < 15) or (key1 >= 50 and key1 < 55 ) or (key1 > @maxv-10); +pk key1 key2 filler filler2 +1 1 1 filler-data filler-data-2 +2 2 2 filler-data filler-data-2 +3 3 3 filler-data filler-data-2 +4 4 4 filler-data filler-data-2 +11 11 11 filler-data filler-data-2 +12 12 12 filler-data filler-data-2 +13 13 13 filler-data filler-data-2 +14 14 14 filler-data filler-data-2 +50 50 50 filler-data filler-data-2 +51 51 51 filler-data filler-data-2 +52 52 52 filler-data filler-data-2 +53 53 53 filler-data filler-data-2 +54 54 54 filler-data filler-data-2 +991 991 991 filler-data filler-data-2 +992 992 992 filler-data filler-data-2 +993 993 993 filler-data filler-data-2 +994 994 994 filler-data filler-data-2 +995 995 995 filler-data filler-data-2 +996 996 996 filler-data filler-data-2 +997 997 997 filler-data filler-data-2 +998 998 998 filler-data filler-data-2 +999 999 999 filler-data filler-data-2 +1000 1000 1000 filler-data filler-data-2 +select * from t1 where +(pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) +or +(key1 < 5) or (key1 > @maxv-10); +pk key1 key2 filler filler2 +1 1 1 filler-data filler-data-2 +2 2 2 filler-data filler-data-2 +3 3 3 filler-data filler-data-2 +4 4 4 filler-data filler-data-2 +991 991 991 filler-data filler-data-2 +992 992 992 filler-data filler-data-2 +993 993 993 filler-data filler-data-2 +994 994 994 filler-data filler-data-2 +995 995 995 filler-data filler-data-2 +996 996 996 filler-data filler-data-2 +997 997 997 filler-data filler-data-2 +998 998 998 filler-data filler-data-2 +999 999 999 filler-data filler-data-2 +1000 1000 1000 filler-data filler-data-2 +11 11 11 filler-data filler-data-2 +12 12 12 filler-data filler-data-2 +13 13 13 filler-data filler-data-2 +14 14 14 filler-data filler-data-2 +50 50 50 filler-data filler-data-2 +51 51 51 filler-data filler-data-2 +52 52 52 filler-data filler-data-2 +53 53 53 filler-data filler-data-2 +54 54 54 filler-data filler-data-2 +drop table t1; +#---------------- Clustered PK ROR-index_merge tests ----------------------------- +SET SESSION STORAGE_ENGINE = InnoDB; +drop table if exists t1; +create table t1 +( +pk1 int not null, +pk2 int not null, +key1 int not null, +key2 int not null, +pktail1ok int not null, +pktail2ok int not null, +pktail3bad int not null, +pktail4bad int not null, +pktail5bad int not null, +pk2copy int not null, +badkey int not null, +filler1 char (200), +filler2 char (200), +key (key1), +key (key2), +/* keys with tails from CPK members */ +key (pktail1ok, pk1), +key (pktail2ok, pk1, pk2), +key (pktail3bad, pk2, pk1), +key (pktail4bad, pk1, pk2copy), +key (pktail5bad, pk1, pk2, pk2copy), +primary key (pk1, pk2) +); +explain select * from t1 where pk1 = 1 and pk2 < 80 and key1=0; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 9 Using where +select * from t1 where pk1 = 1 and pk2 < 80 and key1=0; +pk1 pk2 key1 key2 pktail1ok pktail2ok pktail3bad pktail4bad pktail5bad pk2copy badkey filler1 filler2 +1 10 0 0 0 0 0 0 0 10 0 filler-data-10 filler2 +1 11 0 0 0 0 0 0 0 11 0 filler-data-11 filler2 +1 12 0 0 0 0 0 0 0 12 0 filler-data-12 filler2 +1 13 0 0 0 0 0 0 0 13 0 filler-data-13 filler2 +1 14 0 0 0 0 0 0 0 14 0 filler-data-14 filler2 +1 15 0 0 0 0 0 0 0 15 0 filler-data-15 filler2 +1 16 0 0 0 0 0 0 0 16 0 filler-data-16 filler2 +1 17 0 0 0 0 0 0 0 17 0 filler-data-17 filler2 +1 18 0 0 0 0 0 0 0 18 0 filler-data-18 filler2 +1 19 0 0 0 0 0 0 0 19 0 filler-data-19 filler2 +explain select pk1,pk2 from t1 where key1 = 10 and key2=10 and 2*pk1+1 < 2*96+1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2 key1,key2 4,4 NULL 1 Using intersect(key1,key2); Using where; Using index +select pk1,pk2 from t1 where key1 = 10 and key2=10 and 2*pk1+1 < 2*96+1; +pk1 pk2 +95 50 +95 51 +95 52 +95 53 +95 54 +95 55 +95 56 +95 57 +95 58 +95 59 +explain select * from t1 where badkey=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref key1 key1 4 const 100 Using where +explain select * from t1 where pk1 < 7500 and key1 = 10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge PRIMARY,key1 key1,PRIMARY 4,4 NULL ROWS Using intersect(key1,PRIMARY); Using where +explain select * from t1 where pktail1ok=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,pktail1ok key1,pktail1ok 4,4 NULL 1 Using intersect(key1,pktail1ok); Using where +explain select * from t1 where pktail2ok=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,pktail2ok key1,pktail2ok 4,4 NULL 1 Using intersect(key1,pktail2ok); Using where +explain select * from t1 where (pktail2ok=1 and pk1< 50000) or key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge PRIMARY,key1,pktail2ok pktail2ok,key1 8,4 NULL 199 Using sort_union(pktail2ok,key1); Using where +explain select * from t1 where pktail3bad=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref key1,pktail3bad key1 4 const 100 Using where +explain select * from t1 where pktail4bad=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref key1,pktail4bad key1 4 const 100 Using where +explain select * from t1 where pktail5bad=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref key1,pktail5bad key1 4 const 100 Using where +explain select pk1,pk2,key1,key2 from t1 where key1 = 10 and key2=10 limit 10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2 key1,key2 4,4 NULL 1 Using intersect(key1,key2); Using where; Using index +select pk1,pk2,key1,key2 from t1 where key1 = 10 and key2=10 limit 10; +pk1 pk2 key1 key2 +95 50 10 10 +95 51 10 10 +95 52 10 10 +95 53 10 10 +95 54 10 10 +95 55 10 10 +95 56 10 10 +95 57 10 10 +95 58 10 10 +95 59 10 10 +drop table t1; +create table t1 +( +RUNID varchar(22), +SUBMITNR varchar(5), +ORDERNR char(1), +PROGRAMM varchar(8), +TESTID varchar(4), +UCCHECK char(1), +ETEXT varchar(80), +ETEXT_TYPE char(1), +INFO char(1), +SEVERITY tinyint(3), +TADIRFLAG char(1), +PRIMARY KEY (RUNID,SUBMITNR,ORDERNR,PROGRAMM,TESTID,UCCHECK), +KEY `TVERM~KEY` (PROGRAMM,TESTID,UCCHECK) +) DEFAULT CHARSET=latin1; +update t1 set `ETEXT` = '', `ETEXT_TYPE`='', `INFO`='', `SEVERITY`='', `TADIRFLAG`='' +WHERE +`RUNID`= '' AND `SUBMITNR`= '' AND `ORDERNR`='' AND `PROGRAMM`='' AND +`TESTID`='' AND `UCCHECK`=''; +drop table t1; diff --git a/mysql-test/r/index_merge_innodb2.result b/mysql-test/r/index_merge_innodb2.result deleted file mode 100644 index 91dd989fe90..00000000000 --- a/mysql-test/r/index_merge_innodb2.result +++ /dev/null @@ -1,136 +0,0 @@ -drop table if exists t1; -create table t1 ( -pk int primary key, -key1 int, -key2 int, -filler char(200), -filler2 char(200), -index(key1), -index(key2) -) engine=innodb; -select * from t1 where (key1 >= 2 and key1 <= 10) or (pk >= 4 and pk <=8 ); -pk key1 key2 filler filler2 -2 2 2 filler-data filler-data-2 -3 3 3 filler-data filler-data-2 -9 9 9 filler-data filler-data-2 -10 10 10 filler-data filler-data-2 -4 4 4 filler-data filler-data-2 -5 5 5 filler-data filler-data-2 -6 6 6 filler-data filler-data-2 -7 7 7 filler-data filler-data-2 -8 8 8 filler-data filler-data-2 -set @maxv=1000; -select * from t1 where -(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10) -or key1=18 or key1=60; -pk key1 key2 filler filler2 -18 18 18 filler-data filler-data-2 -60 60 60 filler-data filler-data-2 -1 1 1 filler-data filler-data-2 -2 2 2 filler-data filler-data-2 -3 3 3 filler-data filler-data-2 -4 4 4 filler-data filler-data-2 -11 11 11 filler-data filler-data-2 -12 12 12 filler-data filler-data-2 -13 13 13 filler-data filler-data-2 -14 14 14 filler-data filler-data-2 -50 50 50 filler-data filler-data-2 -51 51 51 filler-data filler-data-2 -52 52 52 filler-data filler-data-2 -53 53 53 filler-data filler-data-2 -54 54 54 filler-data filler-data-2 -991 991 991 filler-data filler-data-2 -992 992 992 filler-data filler-data-2 -993 993 993 filler-data filler-data-2 -994 994 994 filler-data filler-data-2 -995 995 995 filler-data filler-data-2 -996 996 996 filler-data filler-data-2 -997 997 997 filler-data filler-data-2 -998 998 998 filler-data filler-data-2 -999 999 999 filler-data filler-data-2 -1000 1000 1000 filler-data filler-data-2 -select * from t1 where -(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10) -or key1 < 3 or key1 > @maxv-11; -pk key1 key2 filler filler2 -990 990 990 filler-data filler-data-2 -1 1 1 filler-data filler-data-2 -2 2 2 filler-data filler-data-2 -3 3 3 filler-data filler-data-2 -4 4 4 filler-data filler-data-2 -11 11 11 filler-data filler-data-2 -12 12 12 filler-data filler-data-2 -13 13 13 filler-data filler-data-2 -14 14 14 filler-data filler-data-2 -50 50 50 filler-data filler-data-2 -51 51 51 filler-data filler-data-2 -52 52 52 filler-data filler-data-2 -53 53 53 filler-data filler-data-2 -54 54 54 filler-data filler-data-2 -991 991 991 filler-data filler-data-2 -992 992 992 filler-data filler-data-2 -993 993 993 filler-data filler-data-2 -994 994 994 filler-data filler-data-2 -995 995 995 filler-data filler-data-2 -996 996 996 filler-data filler-data-2 -997 997 997 filler-data filler-data-2 -998 998 998 filler-data filler-data-2 -999 999 999 filler-data filler-data-2 -1000 1000 1000 filler-data filler-data-2 -select * from t1 where -(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10) -or -(key1 < 5) or (key1 > 10 and key1 < 15) or (key1 >= 50 and key1 < 55 ) or (key1 > @maxv-10); -pk key1 key2 filler filler2 -1 1 1 filler-data filler-data-2 -2 2 2 filler-data filler-data-2 -3 3 3 filler-data filler-data-2 -4 4 4 filler-data filler-data-2 -11 11 11 filler-data filler-data-2 -12 12 12 filler-data filler-data-2 -13 13 13 filler-data filler-data-2 -14 14 14 filler-data filler-data-2 -50 50 50 filler-data filler-data-2 -51 51 51 filler-data filler-data-2 -52 52 52 filler-data filler-data-2 -53 53 53 filler-data filler-data-2 -54 54 54 filler-data filler-data-2 -991 991 991 filler-data filler-data-2 -992 992 992 filler-data filler-data-2 -993 993 993 filler-data filler-data-2 -994 994 994 filler-data filler-data-2 -995 995 995 filler-data filler-data-2 -996 996 996 filler-data filler-data-2 -997 997 997 filler-data filler-data-2 -998 998 998 filler-data filler-data-2 -999 999 999 filler-data filler-data-2 -1000 1000 1000 filler-data filler-data-2 -select * from t1 where -(pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) -or -(key1 < 5) or (key1 > @maxv-10); -pk key1 key2 filler filler2 -1 1 1 filler-data filler-data-2 -2 2 2 filler-data filler-data-2 -3 3 3 filler-data filler-data-2 -4 4 4 filler-data filler-data-2 -991 991 991 filler-data filler-data-2 -992 992 992 filler-data filler-data-2 -993 993 993 filler-data filler-data-2 -994 994 994 filler-data filler-data-2 -995 995 995 filler-data filler-data-2 -996 996 996 filler-data filler-data-2 -997 997 997 filler-data filler-data-2 -998 998 998 filler-data filler-data-2 -999 999 999 filler-data filler-data-2 -1000 1000 1000 filler-data filler-data-2 -11 11 11 filler-data filler-data-2 -12 12 12 filler-data filler-data-2 -13 13 13 filler-data filler-data-2 -14 14 14 filler-data filler-data-2 -50 50 50 filler-data filler-data-2 -51 51 51 filler-data filler-data-2 -52 52 52 filler-data filler-data-2 -53 53 53 filler-data filler-data-2 -54 54 54 filler-data filler-data-2 -drop table t1; diff --git a/mysql-test/r/index_merge_myisam.result b/mysql-test/r/index_merge_myisam.result new file mode 100644 index 00000000000..810cadc20a5 --- /dev/null +++ b/mysql-test/r/index_merge_myisam.result @@ -0,0 +1,1210 @@ +#---------------- Index merge test 1 ------------------------------------------- +SET SESSION STORAGE_ENGINE = MyISAM; +drop table if exists t0, t1, t2, t3, t4; +create table t0 +( +key1 int not null, +INDEX i1(key1) +); +alter table t0 add key2 int not null, add index i2(key2); +alter table t0 add key3 int not null, add index i3(key3); +alter table t0 add key4 int not null, add index i4(key4); +alter table t0 add key5 int not null, add index i5(key5); +alter table t0 add key6 int not null, add index i6(key6); +alter table t0 add key7 int not null, add index i7(key7); +alter table t0 add key8 int not null, add index i8(key8); +update t0 set key2=key1,key3=key1,key4=key1,key5=key1,key6=key1,key7=key1,key8=1024-key1; +analyze table t0; +Table Op Msg_type Msg_text +test.t0 analyze status OK +explain select * from t0 where key1 < 3 or key1 > 1020; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 range i1 i1 4 NULL 78 Using where +explain +select * from t0 where key1 < 3 or key2 > 1020; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 45 Using sort_union(i1,i2); Using where +select * from t0 where key1 < 3 or key2 > 1020; +key1 key2 key3 key4 key5 key6 key7 key8 +1 1 1 1 1 1 1 1023 +2 2 2 2 2 2 2 1022 +1021 1021 1021 1021 1021 1021 1021 3 +1022 1022 1022 1022 1022 1022 1022 2 +1023 1023 1023 1023 1023 1023 1023 1 +1024 1024 1024 1024 1024 1024 1024 0 +explain select * from t0 where key1 < 3 or key2 <4; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 7 Using sort_union(i1,i2); Using where +explain +select * from t0 where (key1 > 30 and key1<35) or (key2 >32 and key2 < 40); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 11 Using sort_union(i1,i2); Using where +select * from t0 where (key1 > 30 and key1<35) or (key2 >32 and key2 < 40); +key1 key2 key3 key4 key5 key6 key7 key8 +31 31 31 31 31 31 31 993 +32 32 32 32 32 32 32 992 +33 33 33 33 33 33 33 991 +34 34 34 34 34 34 34 990 +35 35 35 35 35 35 35 989 +36 36 36 36 36 36 36 988 +37 37 37 37 37 37 37 987 +38 38 38 38 38 38 38 986 +39 39 39 39 39 39 39 985 +explain select * from t0 ignore index (i2) where key1 < 3 or key2 <4; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ALL i1 NULL NULL NULL 1024 Using where +explain select * from t0 where (key1 < 3 or key2 <4) and key3 = 50; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ref i1,i2,i3 i3 4 const 1 Using where +explain select * from t0 use index (i1,i2) where (key1 < 3 or key2 <4) and key3 = 50; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 7 Using sort_union(i1,i2); Using where +explain select * from t0 where (key1 > 1 or key2 > 2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ALL i1,i2 NULL NULL NULL 1024 Using where +explain select * from t0 force index (i1,i2) where (key1 > 1 or key2 > 2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 1024 Using sort_union(i1,i2); Using where +explain +select * from t0 where key1<3 or key2<3 or (key1>5 and key1<8) or +(key1>10 and key1<12) or (key2>100 and key2<110); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 17 Using sort_union(i1,i2); Using where +explain select * from t0 where key2 = 45 or key1 <=> null; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 range i1,i2 i2 4 NULL 1 Using where +explain select * from t0 where key2 = 45 or key1 is not null; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ALL i1,i2 NULL NULL NULL 1024 Using where +explain select * from t0 where key2 = 45 or key1 is null; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ref i2 i2 4 const 1 +explain select * from t0 where key2=10 or key3=3 or key4 <=> null; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i2,i3,i4 i2,i3 4,4 NULL 2 Using union(i2,i3); Using where +explain select * from t0 where key2=10 or key3=3 or key4 is null; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i2,i3 i2,i3 4,4 NULL 2 Using union(i2,i3); Using where +explain select key1 from t0 where (key1 <=> null) or (key2 < 5) or +(key3=10) or (key4 <=> null); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2,i3,i4 i2,i3 4,4 NULL 6 Using sort_union(i2,i3); Using where +explain select key1 from t0 where (key1 <=> null) or (key1 < 5) or +(key3=10) or (key4 <=> null); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i3,i4 i1,i3 4,4 NULL 6 Using sort_union(i1,i3); Using where +explain select * from t0 where +(key1 < 3 or key2 < 3) and (key3 < 4 or key4 < 4) and (key5 < 5 or key6 < 5); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2,i3,i4,i5,i6 i1,i2 4,4 NULL 6 Using sort_union(i1,i2); Using where +explain +select * from t0 where (key1 < 3 or key2 < 6) and (key1 < 7 or key3 < 4); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2,i3 i1,i2 4,4 NULL 9 Using sort_union(i1,i2); Using where +select * from t0 where (key1 < 3 or key2 < 6) and (key1 < 7 or key3 < 4); +key1 key2 key3 key4 key5 key6 key7 key8 +1 1 1 1 1 1 1 1023 +2 2 2 2 2 2 2 1022 +3 3 3 3 3 3 3 1021 +4 4 4 4 4 4 4 1020 +5 5 5 5 5 5 5 1019 +explain select * from t0 where +(key1 < 3 or key2 < 3) and (key3 < 4 or key4 < 4) and (key5 < 2 or key6 < 2); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2,i3,i4,i5,i6 i1,i2 4,4 NULL 6 Using sort_union(i1,i2); Using where +explain select * from t0 where +(key1 < 3 or key2 < 3) and (key3 < 100); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 range i1,i2,i3 i3 4 NULL 95 Using where +explain select * from t0 where +(key1 < 3 or key2 < 3) and (key3 < 1000); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ALL i1,i2,i3 NULL NULL NULL 1024 Using where +explain select * from t0 where +((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4)) +or +key2 > 5; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ALL i1,i2,i3 NULL NULL NULL 1024 Using where +explain select * from t0 where +((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4)) +or +key1 < 7; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2,i3 i1,i2 4,4 NULL 10 Using sort_union(i1,i2); Using where +select * from t0 where +((key1 < 4 or key2 < 4) and (key2 <5 or key3 < 4)) +or +key1 < 7; +key1 key2 key3 key4 key5 key6 key7 key8 +1 1 1 1 1 1 1 1023 +2 2 2 2 2 2 2 1022 +3 3 3 3 3 3 3 1021 +4 4 4 4 4 4 4 1020 +5 5 5 5 5 5 5 1019 +6 6 6 6 6 6 6 1018 +explain select * from t0 where +((key1 < 4 or key2 < 4) and (key3 <5 or key5 < 4)) +or +((key5 < 5 or key6 < 6) and (key7 <7 or key8 < 4)); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2,i3,i5,i6,i7,i8 i1,i2,i5,i6 4,4,4,4 NULL 19 Using sort_union(i1,i2,i5,i6); Using where +explain select * from t0 where +((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4)) +or +((key7 <7 or key8 < 4) and (key5 < 5 or key6 < 6)); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2,i3,i5,i6,i7,i8 i3,i5,i7,i8 4,4,4,4 NULL 20 Using sort_union(i3,i5,i7,i8); Using where +explain select * from t0 where +((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4)) +or +((key3 <7 or key5 < 2) and (key5 < 5 or key6 < 6)); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2,i3,i5,i6 i3,i5 4,4 NULL 11 Using sort_union(i3,i5); Using where +explain select * from t0 where +((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4)) +or +(((key3 <7 and key7 < 6) or key5 < 2) and (key5 < 5 or key6 < 6)); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2,i3,i5,i6,i7 i3,i5 4,4 NULL 11 Using sort_union(i3,i5); Using where +explain select * from t0 where +((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4)) +or +((key3 >=5 or key5 < 2) and (key5 < 5 or key6 < 6)); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ALL i1,i2,i3,i5,i6 NULL NULL NULL 1024 Using where +explain select * from t0 force index(i1, i2, i3, i4, i5, i6 ) where +((key3 <5 or key5 < 4) and (key1 < 4 or key2 < 4)) +or +((key3 >=5 or key5 < 2) and (key5 < 5 or key6 < 6)); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2,i3,i5,i6 i3,i5 0,4 NULL 1024 Using sort_union(i3,i5); Using where +select * from t0 where key1 < 5 or key8 < 4 order by key1; +key1 key2 key3 key4 key5 key6 key7 key8 +1 1 1 1 1 1 1 1023 +2 2 2 2 2 2 2 1022 +3 3 3 3 3 3 3 1021 +4 4 4 4 4 4 4 1020 +1021 1021 1021 1021 1021 1021 1021 3 +1022 1022 1022 1022 1022 1022 1022 2 +1023 1023 1023 1023 1023 1023 1023 1 +1024 1024 1024 1024 1024 1024 1024 0 +explain +select * from t0 where key1 < 5 or key8 < 4 order by key1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i8 i1,i8 4,4 NULL 9 Using sort_union(i1,i8); Using where; Using filesort +create table t2 like t0; +insert into t2 select * from t0; +alter table t2 add index i1_3(key1, key3); +alter table t2 add index i2_3(key2, key3); +alter table t2 drop index i1; +alter table t2 drop index i2; +alter table t2 add index i321(key3, key2, key1); +explain select key3 from t2 where key1 = 100 or key2 = 100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t2 index_merge i1_3,i2_3 i1_3,i2_3 4,4 NULL 2 Using sort_union(i1_3,i2_3); Using where +explain select key3 from t2 where key1 <100 or key2 < 100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t2 index i1_3,i2_3 i321 12 NULL 1024 Using where; Using index +explain select key7 from t2 where key1 <100 or key2 < 100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t2 ALL i1_3,i2_3 NULL NULL NULL 1024 Using where +create table t4 ( +key1a int not null, +key1b int not null, +key2 int not null, +key2_1 int not null, +key2_2 int not null, +key3 int not null, +index i1a (key1a, key1b), +index i1b (key1b, key1a), +index i2_1(key2, key2_1), +index i2_2(key2, key2_1) +); +insert into t4 select key1,key1,key1 div 10, key1 % 10, key1 % 10, key1 from t0; +select * from t4 where key1a = 3 or key1b = 4; +key1a key1b key2 key2_1 key2_2 key3 +3 3 0 3 3 3 +4 4 0 4 4 4 +explain select * from t4 where key1a = 3 or key1b = 4; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t4 index_merge i1a,i1b i1a,i1b 4,4 NULL 2 Using sort_union(i1a,i1b); Using where +explain select * from t4 where key2 = 1 and (key2_1 = 1 or key3 = 5); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t4 ref i2_1,i2_2 i2_1 4 const 10 Using where +explain select * from t4 where key2 = 1 and (key2_1 = 1 or key2_2 = 5); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t4 ref i2_1,i2_2 i2_1 4 const 10 Using where +explain select * from t4 where key2_1 = 1 or key2_2 = 5; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t4 ALL NULL NULL NULL NULL 1024 Using where +create table t1 like t0; +insert into t1 select * from t0; +explain select * from t0 left join t1 on (t0.key1=t1.key1) +where t0.key1=3 or t0.key2=4; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 2 Using union(i1,i2); Using where +1 SIMPLE t1 ref i1 i1 4 test.t0.key1 1 +select * from t0 left join t1 on (t0.key1=t1.key1) +where t0.key1=3 or t0.key2=4; +key1 key2 key3 key4 key5 key6 key7 key8 key1 key2 key3 key4 key5 key6 key7 key8 +3 3 3 3 3 3 3 1021 3 3 3 3 3 3 3 1021 +4 4 4 4 4 4 4 1020 4 4 4 4 4 4 4 1020 +explain +select * from t0,t1 where (t0.key1=t1.key1) and ( t0.key1=3 or t0.key2=4); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 2 Using union(i1,i2); Using where +1 SIMPLE t1 ref i1 i1 4 test.t0.key1 1 +explain +select * from t0,t1 where (t0.key1=t1.key1) and +(t0.key1=3 or t0.key2=4) and t1.key1<200; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ALL i1,i2 NULL NULL NULL 1024 Using where +1 SIMPLE t1 ref i1 i1 4 test.t0.key1 1 +explain +select * from t0,t1 where (t0.key1=t1.key1) and +(t0.key1=3 or t0.key2<4) and t1.key1=2; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ref i1,i2 i1 4 const 1 Using where +1 SIMPLE t1 ref i1 i1 4 const 1 +explain select * from t0,t1 where t0.key1 = 5 and +(t1.key1 = t0.key1 or t1.key8 = t0.key1); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ref i1 i1 4 const 1 +1 SIMPLE t1 index_merge i1,i8 i1,i8 4,4 NULL 2 Using union(i1,i8); Using where +explain select * from t0,t1 where t0.key1 < 3 and +(t1.key1 = t0.key1 or t1.key8 = t0.key1); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 range i1 i1 4 NULL 3 Using where +1 SIMPLE t1 ALL i1,i8 NULL NULL NULL 1024 Range checked for each record (index map: 0x81) +explain select * from t1 where key1=3 or key2=4 +union select * from t1 where key1<4 or key3=5; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 index_merge i1,i2 i1,i2 4,4 NULL 2 Using union(i1,i2); Using where +2 UNION t1 index_merge i1,i3 i1,i3 4,4 NULL 5 Using sort_union(i1,i3); Using where +NULL UNION RESULT <union1,2> ALL NULL NULL NULL NULL NULL +explain select * from (select * from t1 where key1 = 3 or key2 =3) as Z where key8 >5; +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY <derived2> system NULL NULL NULL NULL 1 +2 DERIVED t1 index_merge i1,i2 i1,i2 4,4 NULL 2 Using union(i1,i2); Using where +create table t3 like t0; +insert into t3 select * from t0; +alter table t3 add key9 int not null, add index i9(key9); +alter table t3 add keyA int not null, add index iA(keyA); +alter table t3 add keyB int not null, add index iB(keyB); +alter table t3 add keyC int not null, add index iC(keyC); +update t3 set key9=key1,keyA=key1,keyB=key1,keyC=key1; +explain select * from t3 where +key1=1 or key2=2 or key3=3 or key4=4 or +key5=5 or key6=6 or key7=7 or key8=8 or +key9=9 or keyA=10 or keyB=11 or keyC=12; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t3 index_merge i1,i2,i3,i4,i5,i6,i7,i8,i9,iA,iB,iC i1,i2,i3,i4,i5,i6,i7,i8,i9,iA,iB,iC 4,4,4,4,4,4,4,4,4,4,4,4 NULL 12 Using union(i1,i2,i3,i4,i5,i6,i7,i8,i9,iA,iB,iC); Using where +select * from t3 where +key1=1 or key2=2 or key3=3 or key4=4 or +key5=5 or key6=6 or key7=7 or key8=8 or +key9=9 or keyA=10 or keyB=11 or keyC=12; +key1 key2 key3 key4 key5 key6 key7 key8 key9 keyA keyB keyC +1 1 1 1 1 1 1 1023 1 1 1 1 +2 2 2 2 2 2 2 1022 2 2 2 2 +3 3 3 3 3 3 3 1021 3 3 3 3 +4 4 4 4 4 4 4 1020 4 4 4 4 +5 5 5 5 5 5 5 1019 5 5 5 5 +6 6 6 6 6 6 6 1018 6 6 6 6 +7 7 7 7 7 7 7 1017 7 7 7 7 +9 9 9 9 9 9 9 1015 9 9 9 9 +10 10 10 10 10 10 10 1014 10 10 10 10 +11 11 11 11 11 11 11 1013 11 11 11 11 +12 12 12 12 12 12 12 1012 12 12 12 12 +1016 1016 1016 1016 1016 1016 1016 8 1016 1016 1016 1016 +explain select * from t0 where key1 < 3 or key2 < 4; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 index_merge i1,i2 i1,i2 4,4 NULL 7 Using sort_union(i1,i2); Using where +select * from t0 where key1 < 3 or key2 < 4; +key1 key2 key3 key4 key5 key6 key7 key8 +1 1 1 1 1 1 1 1023 +2 2 2 2 2 2 2 1022 +3 3 3 3 3 3 3 1021 +update t0 set key8=123 where key1 < 3 or key2 < 4; +select * from t0 where key1 < 3 or key2 < 4; +key1 key2 key3 key4 key5 key6 key7 key8 +1 1 1 1 1 1 1 123 +2 2 2 2 2 2 2 123 +3 3 3 3 3 3 3 123 +delete from t0 where key1 < 3 or key2 < 4; +select * from t0 where key1 < 3 or key2 < 4; +key1 key2 key3 key4 key5 key6 key7 key8 +select count(*) from t0; +count(*) +1021 +drop table t4; +create table t4 (a int); +insert into t4 values (1),(4),(3); +set @save_join_buffer_size=@@join_buffer_size; +set join_buffer_size= 4000; +explain select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) +from t0 as A force index(i1,i2), t0 as B force index (i1,i2) +where (A.key1 < 500000 or A.key2 < 3) +and (B.key1 < 500000 or B.key2 < 3); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE A index_merge i1,i2 i1,i2 4,4 NULL 1013 Using sort_union(i1,i2); Using where +1 SIMPLE B index_merge i1,i2 i1,i2 4,4 NULL 1013 Using sort_union(i1,i2); Using where +select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) +from t0 as A force index(i1,i2), t0 as B force index (i1,i2) +where (A.key1 < 500000 or A.key2 < 3) +and (B.key1 < 500000 or B.key2 < 3); +max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) +10240 +update t0 set key1=1; +explain select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) +from t0 as A force index(i1,i2), t0 as B force index (i1,i2) +where (A.key1 = 1 or A.key2 = 1) +and (B.key1 = 1 or B.key2 = 1); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE A index_merge i1,i2 i1,i2 4,4 NULL 1020 Using union(i1,i2); Using where +1 SIMPLE B index_merge i1,i2 i1,i2 4,4 NULL 1020 Using union(i1,i2); Using where +select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) +from t0 as A force index(i1,i2), t0 as B force index (i1,i2) +where (A.key1 = 1 or A.key2 = 1) +and (B.key1 = 1 or B.key2 = 1); +max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) +8194 +alter table t0 add filler1 char(200), add filler2 char(200), add filler3 char(200); +update t0 set key2=1, key3=1, key4=1, key5=1,key6=1,key7=1 where key7 < 500; +explain select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) +from t0 as A, t0 as B +where (A.key1 = 1 and A.key2 = 1 and A.key3 = 1 and A.key4=1 and A.key5=1 and A.key6=1 and A.key7 = 1 or A.key8=1) +and (B.key1 = 1 and B.key2 = 1 and B.key3 = 1 and B.key4=1 and B.key5=1 and B.key6=1 and B.key7 = 1 or B.key8=1); +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE A index_merge i1,i2,i3,i4,i5,i6,i7?,i8 i2,i3,i4,i5,i6,i7?,i8 X NULL # Using union(intersect(i2,i3,i4,i5,i6,i7?),i8); Using where +1 SIMPLE B index_merge i1,i2,i3,i4,i5,i6,i7?,i8 i2,i3,i4,i5,i6,i7?,i8 X NULL # Using union(intersect(i2,i3,i4,i5,i6,i7?),i8); Using where +select max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) +from t0 as A, t0 as B +where (A.key1 = 1 and A.key2 = 1 and A.key3 = 1 and A.key4=1 and A.key5=1 and A.key6=1 and A.key7 = 1 or A.key8=1) +and (B.key1 = 1 and B.key2 = 1 and B.key3 = 1 and B.key4=1 and B.key5=1 and B.key6=1 and B.key7 = 1 or B.key8=1); +max(A.key1 + B.key1 + A.key2 + B.key2 + A.key3 + B.key3 + A.key4 + B.key4 + A.key5 + B.key5) +8186 +set join_buffer_size= @save_join_buffer_size; +drop table t0, t1, t2, t3, t4; +CREATE TABLE t1 ( +cola char(3) not null, colb char(3) not null, filler char(200), +key(cola), key(colb) +); +INSERT INTO t1 VALUES ('foo','bar', 'ZZ'),('fuz','baz', 'ZZ'); +OPTIMIZE TABLE t1; +Table Op Msg_type Msg_text +test.t1 optimize status OK +select count(*) from t1; +count(*) +8704 +explain select * from t1 WHERE cola = 'foo' AND colb = 'bar'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge cola,colb cola,colb 3,3 NULL 32 Using intersect(cola,colb); Using where +explain select * from t1 force index(cola,colb) WHERE cola = 'foo' AND colb = 'bar'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge cola,colb cola,colb 3,3 NULL 32 Using intersect(cola,colb); Using where +drop table t1; +create table t0 (a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t1 ( +a int, b int, +filler1 char(200), filler2 char(200), +key(a),key(b) +); +insert into t1 select @v:= A.a, @v, 't1', 'filler2' from t0 A, t0 B, t0 C; +create table t2 like t1; +create table t3 ( +a int, b int, +filler1 char(200), filler2 char(200), +key(a),key(b) +) engine=merge union=(t1,t2); +explain select * from t1 where a=1 and b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge a,b a,b 5,5 NULL # Using intersect(a,b); Using where +explain select * from t3 where a=1 and b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t3 index_merge a,b a,b 5,5 NULL # Using intersect(a,b); Using where +drop table t3; +drop table t0, t1, t2; +#---------------- ROR-index_merge tests ----------------------- +SET SESSION STORAGE_ENGINE = MyISAM; +drop table if exists t0,t1,t2; +create table t1 +( +/* Field names reflect value(rowid) distribution, st=STairs, swt= SaWTooth */ +st_a int not null default 0, +swt1a int not null default 0, +swt2a int not null default 0, +st_b int not null default 0, +swt1b int not null default 0, +swt2b int not null default 0, +/* fields/keys for row retrieval tests */ +key1 int, +key2 int, +key3 int, +key4 int, +/* make rows much bigger then keys */ +filler1 char (200), +filler2 char (200), +filler3 char (200), +filler4 char (200), +filler5 char (200), +filler6 char (200), +/* order of keys is important */ +key sta_swt12a(st_a,swt1a,swt2a), +key sta_swt1a(st_a,swt1a), +key sta_swt2a(st_a,swt2a), +key sta_swt21a(st_a,swt2a,swt1a), +key st_a(st_a), +key stb_swt1a_2b(st_b,swt1b,swt2a), +key stb_swt1b(st_b,swt1b), +key st_b(st_b), +key(key1), +key(key2), +key(key3), +key(key4) +) ; +create table t0 as select * from t1; +# Printing of many insert into t0 values (....) disabled. +alter table t1 disable keys; +# Printing of many insert into t1 select .... from t0 disabled. +# Printing of many insert into t1 (...) values (....) disabled. +alter table t1 enable keys; +select count(*) from t1; +count(*) +64801 +explain select key1,key2 from t1 where key1=100 and key2=100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2 key1,key2 5,5 NULL 77 Using intersect(key1,key2); Using where; Using index +select key1,key2 from t1 where key1=100 and key2=100; +key1 key2 +100 100 +explain select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2,key3,key4 key1,key2,key3,key4 5,5,5,5 NULL 154 Using union(intersect(key1,key2),intersect(key3,key4)); Using where +select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; +key1 key2 key3 key4 filler1 +100 100 100 100 key1-key2-key3-key4 +insert into t1 (key1, key2, key3, key4, filler1) values (100, 100, -1, -1, 'key1-key2'); +insert into t1 (key1, key2, key3, key4, filler1) values (-1, -1, 100, 100, 'key4-key3'); +explain select key1,key2,filler1 from t1 where key1=100 and key2=100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2 key1,key2 5,5 NULL 77 Using intersect(key1,key2); Using where +select key1,key2,filler1 from t1 where key1=100 and key2=100; +key1 key2 filler1 +100 100 key1-key2-key3-key4 +100 100 key1-key2 +explain select key1,key2 from t1 where key1=100 and key2=100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2 key1,key2 5,5 NULL 77 Using intersect(key1,key2); Using where; Using index +select key1,key2 from t1 where key1=100 and key2=100; +key1 key2 +100 100 +100 100 +explain select key1,key2,key3,key4 from t1 where key1=100 and key2=100 or key3=100 and key4=100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2,key3,key4 key1,key2,key3,key4 5,5,5,5 NULL 154 Using union(intersect(key1,key2),intersect(key3,key4)); Using where +select key1,key2,key3,key4 from t1 where key1=100 and key2=100 or key3=100 and key4=100; +key1 key2 key3 key4 +100 100 100 100 +100 100 -1 -1 +-1 -1 100 100 +explain select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2,key3,key4 key1,key2,key3,key4 5,5,5,5 NULL 154 Using union(intersect(key1,key2),intersect(key3,key4)); Using where +select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; +key1 key2 key3 key4 filler1 +100 100 100 100 key1-key2-key3-key4 +100 100 -1 -1 key1-key2 +-1 -1 100 100 key4-key3 +explain select key1,key2,key3 from t1 where key1=100 and key2=100 and key3=100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2,key3 key1,key2,key3 5,5,5 NULL 2 Using intersect(key1,key2,key3); Using where; Using index +select key1,key2,key3 from t1 where key1=100 and key2=100 and key3=100; +key1 key2 key3 +100 100 100 +insert into t1 (key1,key2,key3,key4,filler1) values (101,101,101,101, 'key1234-101'); +explain select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=101; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2,key3 key1,key2,key3 5,5,5 NULL 83 Using union(intersect(key1,key2),key3); Using where +select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=101; +key1 key2 key3 key4 filler1 +100 100 100 100 key1-key2-key3-key4 +100 100 -1 -1 key1-key2 +101 101 101 101 key1234-101 +select key1,key2, filler1 from t1 where key1=100 and key2=100; +key1 key2 filler1 +100 100 key1-key2-key3-key4 +100 100 key1-key2 +update t1 set filler1='to be deleted' where key1=100 and key2=100; +update t1 set key1=200,key2=200 where key1=100 and key2=100; +delete from t1 where key1=200 and key2=200; +select key1,key2,filler1 from t1 where key2=100 and key2=200; +key1 key2 filler1 +explain select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2,key3,key4 key1,key2,key3,key4 5,5,5,5 NULL 152 Using union(intersect(key1,key2),intersect(key3,key4)); Using where +select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; +key1 key2 key3 key4 filler1 +-1 -1 100 100 key4-key3 +delete from t1 where key3=100 and key4=100; +explain select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2,key3,key4 key1,key2,key3,key4 5,5,5,5 NULL 152 Using union(intersect(key1,key2),intersect(key3,key4)); Using where +select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; +key1 key2 key3 key4 filler1 +explain select key1,key2 from t1 where key1=100 and key2=100; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2 key1,key2 5,5 NULL 76 Using intersect(key1,key2); Using where; Using index +select key1,key2 from t1 where key1=100 and key2=100; +key1 key2 +insert into t1 (key1, key2, key3, key4, filler1) values (100, 100, 200, 200,'key1-key2-key3-key4-1'); +insert into t1 (key1, key2, key3, key4, filler1) values (100, 100, 200, 200,'key1-key2-key3-key4-2'); +insert into t1 (key1, key2, key3, key4, filler1) values (100, 100, 200, 200,'key1-key2-key3-key4-3'); +explain select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2,key3,key4 key3,key1,key2,key4 5,5,5,5 NULL 136 Using union(key3,intersect(key1,key2),key4); Using where +select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; +key1 key2 key3 key4 filler1 +100 100 200 200 key1-key2-key3-key4-3 +100 100 200 200 key1-key2-key3-key4-2 +100 100 200 200 key1-key2-key3-key4-1 +insert into t1 (key1, key2, key3, key4, filler1) values (-1, -1, -1, 200,'key4'); +explain select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2,key3,key4 key3,key1,key2,key4 5,5,5,5 NULL 146 Using union(key3,intersect(key1,key2),key4); Using where +select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; +key1 key2 key3 key4 filler1 +100 100 200 200 key1-key2-key3-key4-3 +100 100 200 200 key1-key2-key3-key4-2 +100 100 200 200 key1-key2-key3-key4-1 +-1 -1 -1 200 key4 +insert into t1 (key1, key2, key3, key4, filler1) values (-1, -1, 200, -1,'key3'); +explain select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2,key3,key4 key3,key1,key2,key4 5,5,5,5 NULL 156 Using union(key3,intersect(key1,key2),key4); Using where +select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; +key1 key2 key3 key4 filler1 +100 100 200 200 key1-key2-key3-key4-3 +100 100 200 200 key1-key2-key3-key4-2 +100 100 200 200 key1-key2-key3-key4-1 +-1 -1 -1 200 key4 +-1 -1 200 -1 key3 +explain select * from t1 where st_a=1 and st_b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b st_a,st_b 4,4 NULL 3515 Using intersect(st_a,st_b); Using where +explain select st_a,st_b from t1 where st_a=1 and st_b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b st_a,st_b 4,4 NULL 3515 Using intersect(st_a,st_b); Using where; Using index +explain select st_a from t1 ignore index (st_a) where st_a=1 and st_b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,stb_swt1a_2b,stb_swt1b,st_b st_b 4 const 15093 Using where +explain select * from t1 where st_a=1 and swt1a=1 and swt2a=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a sta_swt21a 12 const,const,const 971 +explain select * from t1 where st_b=1 and swt1b=1 and swt2b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref stb_swt1a_2b,stb_swt1b,st_b stb_swt1a_2b 8 const,const 3879 Using where +explain select * from t1 where st_a=1 and swt1a=1 and swt2a=1 and st_b=1 and swt1b=1 and swt2b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b sta_swt12a,stb_swt1a_2b 12,12 NULL 58 Using intersect(sta_swt12a,stb_swt1a_2b); Using where +explain select * from t1 ignore index (sta_swt21a, stb_swt1a_2b) +where st_a=1 and swt1a=1 and swt2a=1 and st_b=1 and swt1b=1 and swt2b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,st_a,stb_swt1b,st_b sta_swt12a,stb_swt1b 12,8 NULL 58 Using intersect(sta_swt12a,stb_swt1b); Using where +explain select * from t1 ignore index (sta_swt21a, sta_swt12a, stb_swt1a_2b) +where st_a=1 and swt1a=1 and swt2a=1 and st_b=1 and swt1b=1 and swt2b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge sta_swt1a,sta_swt2a,st_a,stb_swt1b,st_b sta_swt1a,sta_swt2a,stb_swt1b 8,8,8 NULL 57 Using intersect(sta_swt1a,sta_swt2a,stb_swt1b); Using where +explain select * from t1 ignore index (sta_swt21a, sta_swt12a, stb_swt1a_2b, stb_swt1b) +where st_a=1 and swt1a=1 and swt2a=1 and st_b=1 and swt1b=1 and swt2b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge sta_swt1a,sta_swt2a,st_a,st_b sta_swt1a,sta_swt2a,st_b 8,8,4 NULL 223 Using intersect(sta_swt1a,sta_swt2a,st_b); Using where +explain select * from t1 +where st_a=1 and swt1a=1 and swt2a=1 and st_b=1 and swt1b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b sta_swt12a,stb_swt1a_2b 12,12 NULL 58 Using intersect(sta_swt12a,stb_swt1a_2b); Using where +explain select * from t1 +where st_a=1 and swt1a=1 and st_b=1 and swt1b=1 and swt1b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b sta_swt1a,stb_swt1b 8,8 NULL 232 Using intersect(sta_swt1a,stb_swt1b); Using where +explain select st_a from t1 +where st_a=1 and swt1a=1 and st_b=1 and swt1b=1 and swt1b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b sta_swt1a,stb_swt1b 8,8 NULL 232 Using intersect(sta_swt1a,stb_swt1b); Using where; Using index +explain select st_a from t1 +where st_a=1 and swt1a=1 and st_b=1 and swt1b=1 and swt1b=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b sta_swt1a,stb_swt1b 8,8 NULL 232 Using intersect(sta_swt1a,stb_swt1b); Using where; Using index +drop table t0,t1; +create table t2 ( +a char(10), +b char(10), +filler1 char(255), +filler2 char(255), +key(a(5)), +key(b(5)) +); +select count(a) from t2 where a='BBBBBBBB'; +count(a) +4 +select count(a) from t2 where b='BBBBBBBB'; +count(a) +4 +expla_or_bin select count(a_or_b) from t2 where a_or_b='AAAAAAAA' a_or_bnd a_or_b='AAAAAAAA'; +id select_type ta_or_ba_or_ble type possia_or_ble_keys key key_len ref rows Extra_or_b +1 SIMPLE t2 ref a_or_b,a_or_b a_or_b 6 const 4 Using where +select count(a) from t2 where a='AAAAAAAA' and b='AAAAAAAA'; +count(a) +4 +select count(a) from t2 ignore index(a,b) where a='AAAAAAAA' and b='AAAAAAAA'; +count(a) +4 +insert into t2 values ('ab', 'ab', 'uh', 'oh'); +explain select a from t2 where a='ab'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t2 ref a a 6 const 1 Using where +drop table t2; +#---------------- Index merge test 2 ------------------------------------------- +SET SESSION STORAGE_ENGINE = MyISAM; +drop table if exists t1,t2; +create table t1 +( +key1 int not null, +key2 int not null, +INDEX i1(key1), +INDEX i2(key2) +); +explain select * from t1 where key1 < 5 or key2 > 197; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge i1,i2 i1,i2 4,4 NULL 10 Using sort_union(i1,i2); Using where +select * from t1 where key1 < 5 or key2 > 197; +key1 key2 +0 200 +1 199 +2 198 +3 197 +4 196 +explain select * from t1 where key1 < 3 or key2 > 195; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge i1,i2 i1,i2 4,4 NULL 10 Using sort_union(i1,i2); Using where +select * from t1 where key1 < 3 or key2 > 195; +key1 key2 +0 200 +1 199 +2 198 +3 197 +4 196 +alter table t1 add str1 char (255) not null, +add zeroval int not null default 0, +add str2 char (255) not null, +add str3 char (255) not null; +update t1 set str1='aaa', str2='bbb', str3=concat(key2, '-', key1 div 2, '_' ,if(key1 mod 2 = 0, 'a', 'A')); +alter table t1 add primary key (str1, zeroval, str2, str3); +explain select * from t1 where key1 < 5 or key2 > 197; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge i1,i2 i1,i2 4,4 NULL 10 Using sort_union(i1,i2); Using where +select * from t1 where key1 < 5 or key2 > 197; +key1 key2 str1 zeroval str2 str3 +0 200 aaa 0 bbb 200-0_a +1 199 aaa 0 bbb 199-0_A +2 198 aaa 0 bbb 198-1_a +3 197 aaa 0 bbb 197-1_A +4 196 aaa 0 bbb 196-2_a +explain select * from t1 where key1 < 3 or key2 > 195; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge i1,i2 i1,i2 4,4 NULL 10 Using sort_union(i1,i2); Using where +select * from t1 where key1 < 3 or key2 > 195; +key1 key2 str1 zeroval str2 str3 +0 200 aaa 0 bbb 200-0_a +1 199 aaa 0 bbb 199-0_A +2 198 aaa 0 bbb 198-1_a +3 197 aaa 0 bbb 197-1_A +4 196 aaa 0 bbb 196-2_a +drop table t1; +create table t1 ( +pk integer not null auto_increment primary key, +key1 integer, +key2 integer not null, +filler char (200), +index (key1), +index (key2) +); +show warnings; +Level Code Message +explain select pk from t1 where key1 = 1 and key2 = 1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref key1,key2 key1 5 const 4 Using where +select pk from t1 where key2 = 1 and key1 = 1; +pk +26 +27 +select pk from t1 ignore index(key1,key2) where key2 = 1 and key1 = 1; +pk +26 +27 +drop table t1; +create table t1 ( +pk int primary key auto_increment, +key1a int, +key2a int, +key1b int, +key2b int, +dummy1 int, +dummy2 int, +dummy3 int, +dummy4 int, +key3a int, +key3b int, +filler1 char (200), +index i1(key1a, key1b), +index i2(key2a, key2b), +index i3(key3a, key3b) +); +create table t2 (a int); +insert into t2 values (0),(1),(2),(3),(4),(NULL); +insert into t1 (key1a, key1b, key2a, key2b, key3a, key3b) +select A.a, B.a, C.a, D.a, C.a, D.a from t2 A,t2 B,t2 C, t2 D; +insert into t1 (key1a, key1b, key2a, key2b, key3a, key3b) +select key1a, key1b, key2a, key2b, key3a, key3b from t1; +insert into t1 (key1a, key1b, key2a, key2b, key3a, key3b) +select key1a, key1b, key2a, key2b, key3a, key3b from t1; +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status OK +select count(*) from t1; +count(*) +5184 +explain select count(*) from t1 where +key1a = 2 and key1b is null and key2a = 2 and key2b is null; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge i1,i2 i1,i2 10,10 NULL 2 Using intersect(i1,i2); Using where; Using index +select count(*) from t1 where +key1a = 2 and key1b is null and key2a = 2 and key2b is null; +count(*) +4 +explain select count(*) from t1 where +key1a = 2 and key1b is null and key3a = 2 and key3b is null; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge i1,i3 i1,i3 10,10 NULL 2 Using intersect(i1,i3); Using where; Using index +select count(*) from t1 where +key1a = 2 and key1b is null and key3a = 2 and key3b is null; +count(*) +4 +drop table t1,t2; +create table t1 ( +id1 int, +id2 date , +index idx2 (id1,id2), +index idx1 (id2) +); +insert into t1 values(1,'20040101'), (2,'20040102'); +select * from t1 where id1 = 1 and id2= '20040101'; +id1 id2 +1 2004-01-01 +drop table t1; +drop view if exists v1; +CREATE TABLE t1 ( +`oid` int(11) unsigned NOT NULL auto_increment, +`fk_bbk_niederlassung` int(11) unsigned NOT NULL, +`fk_wochentag` int(11) unsigned NOT NULL, +`uhrzeit_von` time NOT NULL COMMENT 'HH:MM', +`uhrzeit_bis` time NOT NULL COMMENT 'HH:MM', +`geloescht` tinyint(4) NOT NULL, +`version` int(5) NOT NULL, +PRIMARY KEY (`oid`), +KEY `fk_bbk_niederlassung` (`fk_bbk_niederlassung`), +KEY `fk_wochentag` (`fk_wochentag`), +KEY `ix_version` (`version`) +) DEFAULT CHARSET=latin1; +insert into t1 values +(1, 38, 1, '08:00:00', '13:00:00', 0, 1), +(2, 38, 2, '08:00:00', '13:00:00', 0, 1), +(3, 38, 3, '08:00:00', '13:00:00', 0, 1), +(4, 38, 4, '08:00:00', '13:00:00', 0, 1), +(5, 38, 5, '08:00:00', '13:00:00', 0, 1), +(6, 38, 5, '08:00:00', '13:00:00', 1, 2), +(7, 38, 3, '08:00:00', '13:00:00', 1, 2), +(8, 38, 1, '08:00:00', '13:00:00', 1, 2), +(9, 38, 2, '08:00:00', '13:00:00', 1, 2), +(10, 38, 4, '08:00:00', '13:00:00', 1, 2), +(11, 38, 1, '08:00:00', '13:00:00', 0, 3), +(12, 38, 2, '08:00:00', '13:00:00', 0, 3), +(13, 38, 3, '08:00:00', '13:00:00', 0, 3), +(14, 38, 4, '08:00:00', '13:00:00', 0, 3), +(15, 38, 5, '08:00:00', '13:00:00', 0, 3), +(16, 38, 4, '08:00:00', '13:00:00', 0, 4), +(17, 38, 5, '08:00:00', '13:00:00', 0, 4), +(18, 38, 1, '08:00:00', '13:00:00', 0, 4), +(19, 38, 2, '08:00:00', '13:00:00', 0, 4), +(20, 38, 3, '08:00:00', '13:00:00', 0, 4), +(21, 7, 1, '08:00:00', '13:00:00', 0, 1), +(22, 7, 2, '08:00:00', '13:00:00', 0, 1), +(23, 7, 3, '08:00:00', '13:00:00', 0, 1), +(24, 7, 4, '08:00:00', '13:00:00', 0, 1), +(25, 7, 5, '08:00:00', '13:00:00', 0, 1); +create view v1 as +select +zeit1.oid AS oid, +zeit1.fk_bbk_niederlassung AS fk_bbk_niederlassung, +zeit1.fk_wochentag AS fk_wochentag, +zeit1.uhrzeit_von AS uhrzeit_von, +zeit1.uhrzeit_bis AS uhrzeit_bis, +zeit1.geloescht AS geloescht, +zeit1.version AS version +from +t1 zeit1 +where +(zeit1.version = +(select max(zeit2.version) AS `max(version)` + from t1 zeit2 +where +((zeit1.fk_bbk_niederlassung = zeit2.fk_bbk_niederlassung) and +(zeit1.fk_wochentag = zeit2.fk_wochentag) and +(zeit1.uhrzeit_von = zeit2.uhrzeit_von) and +(zeit1.uhrzeit_bis = zeit2.uhrzeit_bis) +) +) +) +and (zeit1.geloescht = 0); +select * from v1 where oid = 21; +oid fk_bbk_niederlassung fk_wochentag uhrzeit_von uhrzeit_bis geloescht version +21 7 1 08:00:00 13:00:00 0 1 +drop view v1; +drop table t1; +CREATE TABLE t1( +t_cpac varchar(2) NOT NULL, +t_vers varchar(4) NOT NULL, +t_rele varchar(2) NOT NULL, +t_cust varchar(4) NOT NULL, +filler1 char(250) default NULL, +filler2 char(250) default NULL, +PRIMARY KEY (t_cpac,t_vers,t_rele,t_cust), +UNIQUE KEY IX_4 (t_cust,t_cpac,t_vers,t_rele), +KEY IX_5 (t_vers,t_rele,t_cust) +); +insert into t1 values +('tm','2.5 ','a ',' ','',''), ('tm','2.5U','a ','stnd','',''), +('da','3.3 ','b ',' ','',''), ('da','3.3U','b ','stnd','',''), +('tl','7.6 ','a ',' ','',''), ('tt','7.6 ','a ',' ','',''), +('bc','B61 ','a ',' ','',''), ('bp','B61 ','a ',' ','',''), +('ca','B61 ','a ',' ','',''), ('ci','B61 ','a ',' ','',''), +('cp','B61 ','a ',' ','',''), ('dm','B61 ','a ',' ','',''), +('ec','B61 ','a ',' ','',''), ('ed','B61 ','a ',' ','',''), +('fm','B61 ','a ',' ','',''), ('nt','B61 ','a ',' ','',''), +('qm','B61 ','a ',' ','',''), ('tc','B61 ','a ',' ','',''), +('td','B61 ','a ',' ','',''), ('tf','B61 ','a ',' ','',''), +('tg','B61 ','a ',' ','',''), ('ti','B61 ','a ',' ','',''), +('tp','B61 ','a ',' ','',''), ('ts','B61 ','a ',' ','',''), +('wh','B61 ','a ',' ','',''), ('bc','B61U','a ','stnd','',''), +('bp','B61U','a ','stnd','',''), ('ca','B61U','a ','stnd','',''), +('ci','B61U','a ','stnd','',''), ('cp','B61U','a ','stnd','',''), +('dm','B61U','a ','stnd','',''), ('ec','B61U','a ','stnd','',''), +('fm','B61U','a ','stnd','',''), ('nt','B61U','a ','stnd','',''), +('qm','B61U','a ','stnd','',''), ('tc','B61U','a ','stnd','',''), +('td','B61U','a ','stnd','',''), ('tf','B61U','a ','stnd','',''), +('tg','B61U','a ','stnd','',''), ('ti','B61U','a ','stnd','',''), +('tp','B61U','a ','stnd','',''), ('ts','B61U','a ','stnd','',''), +('wh','B61U','a ','stnd','',''); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `t_cpac` varchar(2) NOT NULL, + `t_vers` varchar(4) NOT NULL, + `t_rele` varchar(2) NOT NULL, + `t_cust` varchar(4) NOT NULL, + `filler1` char(250) DEFAULT NULL, + `filler2` char(250) DEFAULT NULL, + PRIMARY KEY (`t_cpac`,`t_vers`,`t_rele`,`t_cust`), + UNIQUE KEY `IX_4` (`t_cust`,`t_cpac`,`t_vers`,`t_rele`), + KEY `IX_5` (`t_vers`,`t_rele`,`t_cust`) +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +select t_vers,t_rele,t_cust,filler1 from t1 where t_vers = '7.6'; +t_vers t_rele t_cust filler1 +7.6 a +7.6 a +select t_vers,t_rele,t_cust,filler1 from t1 where t_vers = '7.6' + and t_rele='a' and t_cust = ' '; +t_vers t_rele t_cust filler1 +7.6 a +7.6 a +drop table t1; +create table t1 ( +pk int(11) not null auto_increment, +a int(11) not null default '0', +b int(11) not null default '0', +c int(11) not null default '0', +filler1 datetime, filler2 varchar(15), +filler3 longtext, +kp1 varchar(4), kp2 varchar(7), +kp3 varchar(2), kp4 varchar(4), +kp5 varchar(7), +filler4 char(1), +primary key (pk), +key idx1(a,b,c), +key idx2(c), +key idx3(kp1,kp2,kp3,kp4,kp5) +) default charset=latin1; +set @fill=NULL; +SELECT COUNT(*) FROM t1 WHERE b = 0 AND a = 0 AND c = 13286427 AND +kp1='279' AND kp2='ELM0678' AND kp3='6' AND kp4='10' AND kp5 = 'R '; +COUNT(*) +1 +drop table t1; +#---------------- 2-sweeps read Index merge test 2 ------------------------------- +SET SESSION STORAGE_ENGINE = MyISAM; +drop table if exists t1; +create table t1 ( +pk int primary key, +key1 int, +key2 int, +filler char(200), +filler2 char(200), +index(key1), +index(key2) +); +select * from t1 where (key1 >= 2 and key1 <= 10) or (pk >= 4 and pk <=8 ); +pk key1 key2 filler filler2 +10 10 10 filler-data filler-data-2 +9 9 9 filler-data filler-data-2 +8 8 8 filler-data filler-data-2 +7 7 7 filler-data filler-data-2 +6 6 6 filler-data filler-data-2 +5 5 5 filler-data filler-data-2 +4 4 4 filler-data filler-data-2 +3 3 3 filler-data filler-data-2 +2 2 2 filler-data filler-data-2 +set @maxv=1000; +select * from t1 where +(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10) +or key1=18 or key1=60; +pk key1 key2 filler filler2 +1000 1000 1000 filler-data filler-data-2 +999 999 999 filler-data filler-data-2 +998 998 998 filler-data filler-data-2 +997 997 997 filler-data filler-data-2 +996 996 996 filler-data filler-data-2 +995 995 995 filler-data filler-data-2 +994 994 994 filler-data filler-data-2 +993 993 993 filler-data filler-data-2 +992 992 992 filler-data filler-data-2 +991 991 991 filler-data filler-data-2 +60 60 60 filler-data filler-data-2 +54 54 54 filler-data filler-data-2 +53 53 53 filler-data filler-data-2 +52 52 52 filler-data filler-data-2 +51 51 51 filler-data filler-data-2 +50 50 50 filler-data filler-data-2 +18 18 18 filler-data filler-data-2 +14 14 14 filler-data filler-data-2 +13 13 13 filler-data filler-data-2 +12 12 12 filler-data filler-data-2 +11 11 11 filler-data filler-data-2 +4 4 4 filler-data filler-data-2 +3 3 3 filler-data filler-data-2 +2 2 2 filler-data filler-data-2 +1 1 1 filler-data filler-data-2 +select * from t1 where +(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10) +or key1 < 3 or key1 > @maxv-11; +pk key1 key2 filler filler2 +1000 1000 1000 filler-data filler-data-2 +999 999 999 filler-data filler-data-2 +998 998 998 filler-data filler-data-2 +997 997 997 filler-data filler-data-2 +996 996 996 filler-data filler-data-2 +995 995 995 filler-data filler-data-2 +994 994 994 filler-data filler-data-2 +993 993 993 filler-data filler-data-2 +992 992 992 filler-data filler-data-2 +991 991 991 filler-data filler-data-2 +990 990 990 filler-data filler-data-2 +54 54 54 filler-data filler-data-2 +53 53 53 filler-data filler-data-2 +52 52 52 filler-data filler-data-2 +51 51 51 filler-data filler-data-2 +50 50 50 filler-data filler-data-2 +14 14 14 filler-data filler-data-2 +13 13 13 filler-data filler-data-2 +12 12 12 filler-data filler-data-2 +11 11 11 filler-data filler-data-2 +4 4 4 filler-data filler-data-2 +3 3 3 filler-data filler-data-2 +2 2 2 filler-data filler-data-2 +1 1 1 filler-data filler-data-2 +select * from t1 where +(pk < 5) or (pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) or (pk > @maxv-10) +or +(key1 < 5) or (key1 > 10 and key1 < 15) or (key1 >= 50 and key1 < 55 ) or (key1 > @maxv-10); +pk key1 key2 filler filler2 +1000 1000 1000 filler-data filler-data-2 +999 999 999 filler-data filler-data-2 +998 998 998 filler-data filler-data-2 +997 997 997 filler-data filler-data-2 +996 996 996 filler-data filler-data-2 +995 995 995 filler-data filler-data-2 +994 994 994 filler-data filler-data-2 +993 993 993 filler-data filler-data-2 +992 992 992 filler-data filler-data-2 +991 991 991 filler-data filler-data-2 +54 54 54 filler-data filler-data-2 +53 53 53 filler-data filler-data-2 +52 52 52 filler-data filler-data-2 +51 51 51 filler-data filler-data-2 +50 50 50 filler-data filler-data-2 +14 14 14 filler-data filler-data-2 +13 13 13 filler-data filler-data-2 +12 12 12 filler-data filler-data-2 +11 11 11 filler-data filler-data-2 +4 4 4 filler-data filler-data-2 +3 3 3 filler-data filler-data-2 +2 2 2 filler-data filler-data-2 +1 1 1 filler-data filler-data-2 +select * from t1 where +(pk > 10 and pk < 15) or (pk >= 50 and pk < 55 ) +or +(key1 < 5) or (key1 > @maxv-10); +pk key1 key2 filler filler2 +1000 1000 1000 filler-data filler-data-2 +999 999 999 filler-data filler-data-2 +998 998 998 filler-data filler-data-2 +997 997 997 filler-data filler-data-2 +996 996 996 filler-data filler-data-2 +995 995 995 filler-data filler-data-2 +994 994 994 filler-data filler-data-2 +993 993 993 filler-data filler-data-2 +992 992 992 filler-data filler-data-2 +991 991 991 filler-data filler-data-2 +54 54 54 filler-data filler-data-2 +53 53 53 filler-data filler-data-2 +52 52 52 filler-data filler-data-2 +51 51 51 filler-data filler-data-2 +50 50 50 filler-data filler-data-2 +14 14 14 filler-data filler-data-2 +13 13 13 filler-data filler-data-2 +12 12 12 filler-data filler-data-2 +11 11 11 filler-data filler-data-2 +4 4 4 filler-data filler-data-2 +3 3 3 filler-data filler-data-2 +2 2 2 filler-data filler-data-2 +1 1 1 filler-data filler-data-2 +drop table t1; +#---------------- Clustered PK ROR-index_merge tests ----------------------------- +SET SESSION STORAGE_ENGINE = MyISAM; +drop table if exists t1; +create table t1 +( +pk1 int not null, +pk2 int not null, +key1 int not null, +key2 int not null, +pktail1ok int not null, +pktail2ok int not null, +pktail3bad int not null, +pktail4bad int not null, +pktail5bad int not null, +pk2copy int not null, +badkey int not null, +filler1 char (200), +filler2 char (200), +key (key1), +key (key2), +/* keys with tails from CPK members */ +key (pktail1ok, pk1), +key (pktail2ok, pk1, pk2), +key (pktail3bad, pk2, pk1), +key (pktail4bad, pk1, pk2copy), +key (pktail5bad, pk1, pk2, pk2copy), +primary key (pk1, pk2) +); +explain select * from t1 where pk1 = 1 and pk2 < 80 and key1=0; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 7 Using where +select * from t1 where pk1 = 1 and pk2 < 80 and key1=0; +pk1 pk2 key1 key2 pktail1ok pktail2ok pktail3bad pktail4bad pktail5bad pk2copy badkey filler1 filler2 +1 10 0 0 0 0 0 0 0 10 0 filler-data-10 filler2 +1 11 0 0 0 0 0 0 0 11 0 filler-data-11 filler2 +1 12 0 0 0 0 0 0 0 12 0 filler-data-12 filler2 +1 13 0 0 0 0 0 0 0 13 0 filler-data-13 filler2 +1 14 0 0 0 0 0 0 0 14 0 filler-data-14 filler2 +1 15 0 0 0 0 0 0 0 15 0 filler-data-15 filler2 +1 16 0 0 0 0 0 0 0 16 0 filler-data-16 filler2 +1 17 0 0 0 0 0 0 0 17 0 filler-data-17 filler2 +1 18 0 0 0 0 0 0 0 18 0 filler-data-18 filler2 +1 19 0 0 0 0 0 0 0 19 0 filler-data-19 filler2 +explain select pk1,pk2 from t1 where key1 = 10 and key2=10 and 2*pk1+1 < 2*96+1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2 key1,key2 4,4 NULL 1 Using intersect(key1,key2); Using where +select pk1,pk2 from t1 where key1 = 10 and key2=10 and 2*pk1+1 < 2*96+1; +pk1 pk2 +95 59 +95 58 +95 57 +95 56 +95 55 +95 54 +95 53 +95 52 +95 51 +95 50 +explain select * from t1 where badkey=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref key1 key1 4 const 91 Using where +explain select * from t1 where pk1 < 7500 and key1 = 10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref PRIMARY,key1 key1 4 const ROWS Using where +explain select * from t1 where pktail1ok=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref key1,pktail1ok pktail1ok 4 const 76 Using where +explain select * from t1 where pktail2ok=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref key1,pktail2ok pktail2ok 4 const 82 Using where +explain select * from t1 where (pktail2ok=1 and pk1< 50000) or key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge PRIMARY,key1,pktail2ok pktail2ok,key1 8,4 NULL 173 Using sort_union(pktail2ok,key1); Using where +explain select * from t1 where pktail3bad=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref key1,pktail3bad pktail3bad 4 const 73 Using where +explain select * from t1 where pktail4bad=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref key1,pktail4bad pktail4bad 4 const 82 Using where +explain select * from t1 where pktail5bad=1 and key1=10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref key1,pktail5bad pktail5bad 4 const 70 Using where +explain select pk1,pk2,key1,key2 from t1 where key1 = 10 and key2=10 limit 10; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2 key1,key2 4,4 NULL 1 Using intersect(key1,key2); Using where +select pk1,pk2,key1,key2 from t1 where key1 = 10 and key2=10 limit 10; +pk1 pk2 key1 key2 +104 49 10 10 +104 48 10 10 +104 47 10 10 +104 46 10 10 +104 45 10 10 +104 44 10 10 +104 43 10 10 +104 42 10 10 +104 41 10 10 +104 40 10 10 +drop table t1; +create table t1 +( +RUNID varchar(22), +SUBMITNR varchar(5), +ORDERNR char(1), +PROGRAMM varchar(8), +TESTID varchar(4), +UCCHECK char(1), +ETEXT varchar(80), +ETEXT_TYPE char(1), +INFO char(1), +SEVERITY tinyint(3), +TADIRFLAG char(1), +PRIMARY KEY (RUNID,SUBMITNR,ORDERNR,PROGRAMM,TESTID,UCCHECK), +KEY `TVERM~KEY` (PROGRAMM,TESTID,UCCHECK) +) DEFAULT CHARSET=latin1; +update t1 set `ETEXT` = '', `ETEXT_TYPE`='', `INFO`='', `SEVERITY`='', `TADIRFLAG`='' +WHERE +`RUNID`= '' AND `SUBMITNR`= '' AND `ORDERNR`='' AND `PROGRAMM`='' AND +`TESTID`='' AND `UCCHECK`=''; +drop table t1; diff --git a/mysql-test/r/index_merge_ror.result b/mysql-test/r/index_merge_ror.result deleted file mode 100644 index bbf46b2d7e0..00000000000 --- a/mysql-test/r/index_merge_ror.result +++ /dev/null @@ -1,196 +0,0 @@ -drop table if exists t0,t1,t2; -select count(*) from t1; -count(*) -64801 -explain select key1,key2 from t1 where key1=100 and key2=100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2 key1,key2 5,5 NULL 77 Using intersect(key1,key2); Using where; Using index -select key1,key2 from t1 where key1=100 and key2=100; -key1 key2 -100 100 -explain select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2,key3,key4 key1,key2,key3,key4 5,5,5,5 NULL 154 Using union(intersect(key1,key2),intersect(key3,key4)); Using where -select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; -key1 key2 key3 key4 filler1 -100 100 100 100 key1-key2-key3-key4 -insert into t1 (key1, key2, key3, key4, filler1) values (100, 100, -1, -1, 'key1-key2'); -insert into t1 (key1, key2, key3, key4, filler1) values (-1, -1, 100, 100, 'key4-key3'); -explain select key1,key2,filler1 from t1 where key1=100 and key2=100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2 key1,key2 5,5 NULL 77 Using intersect(key1,key2); Using where -select key1,key2,filler1 from t1 where key1=100 and key2=100; -key1 key2 filler1 -100 100 key1-key2-key3-key4 -100 100 key1-key2 -explain select key1,key2 from t1 where key1=100 and key2=100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2 key1,key2 5,5 NULL 77 Using intersect(key1,key2); Using where; Using index -select key1,key2 from t1 where key1=100 and key2=100; -key1 key2 -100 100 -100 100 -explain select key1,key2,key3,key4 from t1 where key1=100 and key2=100 or key3=100 and key4=100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2,key3,key4 key1,key2,key3,key4 5,5,5,5 NULL 154 Using union(intersect(key1,key2),intersect(key3,key4)); Using where -select key1,key2,key3,key4 from t1 where key1=100 and key2=100 or key3=100 and key4=100; -key1 key2 key3 key4 -100 100 100 100 -100 100 -1 -1 --1 -1 100 100 -explain select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2,key3,key4 key1,key2,key3,key4 5,5,5,5 NULL 154 Using union(intersect(key1,key2),intersect(key3,key4)); Using where -select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; -key1 key2 key3 key4 filler1 -100 100 100 100 key1-key2-key3-key4 -100 100 -1 -1 key1-key2 --1 -1 100 100 key4-key3 -explain select key1,key2,key3 from t1 where key1=100 and key2=100 and key3=100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2,key3 key1,key2,key3 5,5,5 NULL 2 Using intersect(key1,key2,key3); Using where; Using index -select key1,key2,key3 from t1 where key1=100 and key2=100 and key3=100; -key1 key2 key3 -100 100 100 -insert into t1 (key1,key2,key3,key4,filler1) values (101,101,101,101, 'key1234-101'); -explain select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=101; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2,key3 key1,key2,key3 5,5,5 NULL 83 Using union(intersect(key1,key2),key3); Using where -select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=101; -key1 key2 key3 key4 filler1 -100 100 100 100 key1-key2-key3-key4 -100 100 -1 -1 key1-key2 -101 101 101 101 key1234-101 -select key1,key2, filler1 from t1 where key1=100 and key2=100; -key1 key2 filler1 -100 100 key1-key2-key3-key4 -100 100 key1-key2 -update t1 set filler1='to be deleted' where key1=100 and key2=100; -update t1 set key1=200,key2=200 where key1=100 and key2=100; -delete from t1 where key1=200 and key2=200; -select key1,key2,filler1 from t1 where key2=100 and key2=200; -key1 key2 filler1 -explain select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2,key3,key4 key1,key2,key3,key4 5,5,5,5 NULL 152 Using union(intersect(key1,key2),intersect(key3,key4)); Using where -select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; -key1 key2 key3 key4 filler1 --1 -1 100 100 key4-key3 -delete from t1 where key3=100 and key4=100; -explain select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2,key3,key4 key1,key2,key3,key4 5,5,5,5 NULL 152 Using union(intersect(key1,key2),intersect(key3,key4)); Using where -select key1,key2,key3,key4,filler1 from t1 where key1=100 and key2=100 or key3=100 and key4=100; -key1 key2 key3 key4 filler1 -explain select key1,key2 from t1 where key1=100 and key2=100; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2 key1,key2 5,5 NULL 76 Using intersect(key1,key2); Using where; Using index -select key1,key2 from t1 where key1=100 and key2=100; -key1 key2 -insert into t1 (key1, key2, key3, key4, filler1) values (100, 100, 200, 200,'key1-key2-key3-key4-1'); -insert into t1 (key1, key2, key3, key4, filler1) values (100, 100, 200, 200,'key1-key2-key3-key4-2'); -insert into t1 (key1, key2, key3, key4, filler1) values (100, 100, 200, 200,'key1-key2-key3-key4-3'); -explain select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2,key3,key4 key3,key1,key2,key4 5,5,5,5 NULL 136 Using union(key3,intersect(key1,key2),key4); Using where -select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; -key1 key2 key3 key4 filler1 -100 100 200 200 key1-key2-key3-key4-3 -100 100 200 200 key1-key2-key3-key4-2 -100 100 200 200 key1-key2-key3-key4-1 -insert into t1 (key1, key2, key3, key4, filler1) values (-1, -1, -1, 200,'key4'); -explain select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2,key3,key4 key3,key1,key2,key4 5,5,5,5 NULL 146 Using union(key3,intersect(key1,key2),key4); Using where -select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; -key1 key2 key3 key4 filler1 -100 100 200 200 key1-key2-key3-key4-3 -100 100 200 200 key1-key2-key3-key4-2 -100 100 200 200 key1-key2-key3-key4-1 --1 -1 -1 200 key4 -insert into t1 (key1, key2, key3, key4, filler1) values (-1, -1, 200, -1,'key3'); -explain select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2,key3,key4 key3,key1,key2,key4 5,5,5,5 NULL 156 Using union(key3,intersect(key1,key2),key4); Using where -select key1,key2,key3,key4,filler1 from t1 where key3=200 or (key1=100 and key2=100) or key4=200; -key1 key2 key3 key4 filler1 -100 100 200 200 key1-key2-key3-key4-3 -100 100 200 200 key1-key2-key3-key4-2 -100 100 200 200 key1-key2-key3-key4-1 --1 -1 -1 200 key4 --1 -1 200 -1 key3 -explain select * from t1 where st_a=1 and st_b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b st_a,st_b 4,4 NULL 3515 Using intersect(st_a,st_b); Using where -explain select st_a,st_b from t1 where st_a=1 and st_b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b st_a,st_b 4,4 NULL 3515 Using intersect(st_a,st_b); Using where; Using index -explain select st_a from t1 ignore index (st_a) where st_a=1 and st_b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,stb_swt1a_2b,stb_swt1b,st_b st_b 4 const 15093 Using where -explain select * from t1 where st_a=1 and swt1a=1 and swt2a=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a sta_swt21a 12 const,const,const 971 -explain select * from t1 where st_b=1 and swt1b=1 and swt2b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref stb_swt1a_2b,stb_swt1b,st_b stb_swt1a_2b 8 const,const 3879 Using where -explain select * from t1 where st_a=1 and swt1a=1 and swt2a=1 and st_b=1 and swt1b=1 and swt2b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b sta_swt12a,stb_swt1a_2b 12,12 NULL 58 Using intersect(sta_swt12a,stb_swt1a_2b); Using where -explain select * from t1 ignore index (sta_swt21a, stb_swt1a_2b) -where st_a=1 and swt1a=1 and swt2a=1 and st_b=1 and swt1b=1 and swt2b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,st_a,stb_swt1b,st_b sta_swt12a,stb_swt1b 12,8 NULL 58 Using intersect(sta_swt12a,stb_swt1b); Using where -explain select * from t1 ignore index (sta_swt21a, sta_swt12a, stb_swt1a_2b) -where st_a=1 and swt1a=1 and swt2a=1 and st_b=1 and swt1b=1 and swt2b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge sta_swt1a,sta_swt2a,st_a,stb_swt1b,st_b sta_swt1a,sta_swt2a,stb_swt1b 8,8,8 NULL 57 Using intersect(sta_swt1a,sta_swt2a,stb_swt1b); Using where -explain select * from t1 ignore index (sta_swt21a, sta_swt12a, stb_swt1a_2b, stb_swt1b) -where st_a=1 and swt1a=1 and swt2a=1 and st_b=1 and swt1b=1 and swt2b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge sta_swt1a,sta_swt2a,st_a,st_b sta_swt1a,sta_swt2a,st_b 8,8,4 NULL 223 Using intersect(sta_swt1a,sta_swt2a,st_b); Using where -explain select * from t1 -where st_a=1 and swt1a=1 and swt2a=1 and st_b=1 and swt1b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b sta_swt12a,stb_swt1a_2b 12,12 NULL 58 Using intersect(sta_swt12a,stb_swt1a_2b); Using where -explain select * from t1 -where st_a=1 and swt1a=1 and st_b=1 and swt1b=1 and swt1b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b sta_swt1a,stb_swt1b 8,8 NULL 232 Using intersect(sta_swt1a,stb_swt1b); Using where -explain select st_a from t1 -where st_a=1 and swt1a=1 and st_b=1 and swt1b=1 and swt1b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b sta_swt1a,stb_swt1b 8,8 NULL 232 Using intersect(sta_swt1a,stb_swt1b); Using where; Using index -explain select st_a from t1 -where st_a=1 and swt1a=1 and st_b=1 and swt1b=1 and swt1b=1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge sta_swt12a,sta_swt1a,sta_swt2a,sta_swt21a,st_a,stb_swt1a_2b,stb_swt1b,st_b sta_swt1a,stb_swt1b 8,8 NULL 232 Using intersect(sta_swt1a,stb_swt1b); Using where; Using index -drop table t0,t1; -create table t2 ( -a char(10), -b char(10), -filler1 char(255), -filler2 char(255), -key(a(5)), -key(b(5)) -); -select count(a) from t2 where a='BBBBBBBB'; -count(a) -4 -select count(a) from t2 where b='BBBBBBBB'; -count(a) -4 -expla_or_bin select count(a_or_b) from t2 where a_or_b='AAAAAAAA' a_or_bnd a_or_b='AAAAAAAA'; -id select_type ta_or_ba_or_ble type possia_or_ble_keys key key_len ref rows Extra_or_b -1 SIMPLE t2 ref a_or_b,a_or_b a_or_b 6 const 4 Using where -select count(a) from t2 where a='AAAAAAAA' and b='AAAAAAAA'; -count(a) -4 -select count(a) from t2 ignore index(a,b) where a='AAAAAAAA' and b='AAAAAAAA'; -count(a) -4 -insert into t2 values ('ab', 'ab', 'uh', 'oh'); -explain select a from t2 where a='ab'; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t2 ref a a 6 const 1 Using where -drop table t2; diff --git a/mysql-test/r/index_merge_ror_cpk.result b/mysql-test/r/index_merge_ror_cpk.result deleted file mode 100644 index 79bb1297abf..00000000000 --- a/mysql-test/r/index_merge_ror_cpk.result +++ /dev/null @@ -1,120 +0,0 @@ -drop table if exists t1; -create table t1 -( -pk1 int not null, -pk2 int not null, -key1 int not null, -key2 int not null, -pktail1ok int not null, -pktail2ok int not null, -pktail3bad int not null, -pktail4bad int not null, -pktail5bad int not null, -pk2copy int not null, -badkey int not null, -filler1 char (200), -filler2 char (200), -key (key1), -key (key2), -/* keys with tails from CPK members */ -key (pktail1ok, pk1), -key (pktail2ok, pk1, pk2), -key (pktail3bad, pk2, pk1), -key (pktail4bad, pk1, pk2copy), -key (pktail5bad, pk1, pk2, pk2copy), -primary key (pk1, pk2) -) engine=innodb; -explain select * from t1 where pk1 = 1 and pk2 < 80 and key1=0; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 range PRIMARY,key1 PRIMARY 8 NULL 9 Using where -select * from t1 where pk1 = 1 and pk2 < 80 and key1=0; -pk1 pk2 key1 key2 pktail1ok pktail2ok pktail3bad pktail4bad pktail5bad pk2copy badkey filler1 filler2 -1 10 0 0 0 0 0 0 0 10 0 filler-data-10 filler2 -1 11 0 0 0 0 0 0 0 11 0 filler-data-11 filler2 -1 12 0 0 0 0 0 0 0 12 0 filler-data-12 filler2 -1 13 0 0 0 0 0 0 0 13 0 filler-data-13 filler2 -1 14 0 0 0 0 0 0 0 14 0 filler-data-14 filler2 -1 15 0 0 0 0 0 0 0 15 0 filler-data-15 filler2 -1 16 0 0 0 0 0 0 0 16 0 filler-data-16 filler2 -1 17 0 0 0 0 0 0 0 17 0 filler-data-17 filler2 -1 18 0 0 0 0 0 0 0 18 0 filler-data-18 filler2 -1 19 0 0 0 0 0 0 0 19 0 filler-data-19 filler2 -explain select pk1,pk2 from t1 where key1 = 10 and key2=10 and 2*pk1+1 < 2*96+1; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2 key1,key2 4,4 NULL 1 Using intersect(key1,key2); Using where; Using index -select pk1,pk2 from t1 where key1 = 10 and key2=10 and 2*pk1+1 < 2*96+1; -pk1 pk2 -95 50 -95 51 -95 52 -95 53 -95 54 -95 55 -95 56 -95 57 -95 58 -95 59 -explain select * from t1 where badkey=1 and key1=10; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref key1 key1 4 const 100 Using where -explain select * from t1 where pk1 < 7500 and key1 = 10; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge PRIMARY,key1 key1,PRIMARY 4,4 NULL ROWS Using intersect(key1,PRIMARY); Using where -explain select * from t1 where pktail1ok=1 and key1=10; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,pktail1ok key1,pktail1ok 4,4 NULL 1 Using intersect(key1,pktail1ok); Using where -explain select * from t1 where pktail2ok=1 and key1=10; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,pktail2ok key1,pktail2ok 4,4 NULL 1 Using intersect(key1,pktail2ok); Using where -select ' The following is actually a deficiency, it uses sort_union currently:' as 'note:'; -note: - The following is actually a deficiency, it uses sort_union currently: -explain select * from t1 where (pktail2ok=1 and pk1< 50000) or key1=10; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge PRIMARY,key1,pktail2ok pktail2ok,key1 8,4 NULL 199 Using sort_union(pktail2ok,key1); Using where -explain select * from t1 where pktail3bad=1 and key1=10; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref key1,pktail3bad key1 4 const 100 Using where -explain select * from t1 where pktail4bad=1 and key1=10; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref key1,pktail4bad key1 4 const 100 Using where -explain select * from t1 where pktail5bad=1 and key1=10; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 ref key1,pktail5bad key1 4 const 100 Using where -explain select pk1,pk2,key1,key2 from t1 where key1 = 10 and key2=10 limit 10; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE t1 index_merge key1,key2 key1,key2 4,4 NULL 1 Using intersect(key1,key2); Using where; Using index -select pk1,pk2,key1,key2 from t1 where key1 = 10 and key2=10 limit 10; -pk1 pk2 key1 key2 -95 50 10 10 -95 51 10 10 -95 52 10 10 -95 53 10 10 -95 54 10 10 -95 55 10 10 -95 56 10 10 -95 57 10 10 -95 58 10 10 -95 59 10 10 -drop table t1; -create table t1 -( -RUNID varchar(22), -SUBMITNR varchar(5), -ORDERNR char(1) , -PROGRAMM varchar(8), -TESTID varchar(4), -UCCHECK char(1), -ETEXT varchar(80), -ETEXT_TYPE char(1), -INFO char(1), -SEVERITY tinyint(3), -TADIRFLAG char(1), -PRIMARY KEY (RUNID,SUBMITNR,ORDERNR,PROGRAMM,TESTID,UCCHECK), -KEY `TVERM~KEY` (PROGRAMM,TESTID,UCCHECK) -) ENGINE=InnoDB DEFAULT CHARSET=latin1; -update t1 set `ETEXT` = '', `ETEXT_TYPE`='', `INFO`='', `SEVERITY`='', `TADIRFLAG`='' -WHERE -`RUNID`= '' AND `SUBMITNR`= '' AND `ORDERNR`='' AND `PROGRAMM`='' AND -`TESTID`='' AND `UCCHECK`=''; -drop table t1; diff --git a/mysql-test/r/innodb_handler.result b/mysql-test/r/innodb_handler.result deleted file mode 100644 index 7e853a55e37..00000000000 --- a/mysql-test/r/innodb_handler.result +++ /dev/null @@ -1,167 +0,0 @@ -drop table if exists t1,t2; -create table t1 (a int, b char(10), key a(a), key b(a,b)) engine=innodb; -insert into t1 values -(17,"ddd"),(18,"eee"),(19,"fff"),(19,"yyy"), -(14,"aaa"),(15,"bbb"),(16,"ccc"),(16,"xxx"), -(20,"ggg"),(21,"hhh"),(22,"iii"); -handler t1 open as t2; -handler t2 read a first; -a b -14 aaa -handler t2 read a next; -a b -15 bbb -handler t2 read a next; -a b -16 ccc -handler t2 read a prev; -a b -15 bbb -handler t2 read a last; -a b -22 iii -handler t2 read a prev; -a b -21 hhh -handler t2 read a prev; -a b -20 ggg -handler t2 read a first; -a b -14 aaa -handler t2 read a prev; -a b -handler t2 read a last; -a b -22 iii -handler t2 read a prev; -a b -21 hhh -handler t2 read a next; -a b -22 iii -handler t2 read a next; -a b -handler t2 read a=(15); -a b -15 bbb -handler t2 read a=(16); -a b -16 ccc -handler t2 read a=(19,"fff"); -ERROR 42000: Too many key parts specified; max 1 parts allowed -handler t2 read b=(19,"fff"); -a b -19 fff -handler t2 read b=(19,"yyy"); -a b -19 yyy -handler t2 read b=(19); -a b -19 fff -handler t1 read a last; -ERROR 42S02: Unknown table 't1' in HANDLER -handler t2 read a=(11); -a b -handler t2 read a>=(11); -a b -14 aaa -handler t2 read a=(18); -a b -18 eee -handler t2 read a>=(18); -a b -18 eee -handler t2 read a>(18); -a b -19 fff -handler t2 read a<=(18); -a b -18 eee -handler t2 read a<(18); -a b -17 ddd -handler t2 read a first limit 5; -a b -14 aaa -15 bbb -16 ccc -16 xxx -17 ddd -handler t2 read a next limit 3; -a b -18 eee -19 fff -19 yyy -handler t2 read a prev limit 10; -a b -19 fff -18 eee -17 ddd -16 xxx -16 ccc -15 bbb -14 aaa -handler t2 read a>=(16) limit 4; -a b -16 ccc -16 xxx -17 ddd -18 eee -handler t2 read a>=(16) limit 2,2; -a b -17 ddd -18 eee -handler t2 read a last limit 3; -a b -22 iii -21 hhh -20 ggg -handler t2 read a=(19); -a b -19 fff -handler t2 read a=(19) where b="yyy"; -a b -19 yyy -handler t2 read first; -a b -17 ddd -handler t2 read next; -a b -18 eee -handler t2 read last; -ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '' at line 1 -handler t2 close; -handler t1 open; -handler t1 read a next; -a b -14 aaa -handler t1 read a next; -a b -15 bbb -handler t1 close; -handler t1 open; -handler t1 read a prev; -a b -22 iii -handler t1 read a prev; -a b -21 hhh -handler t1 close; -handler t1 open as t2; -handler t2 read first; -a b -17 ddd -alter table t1 engine=innodb; -handler t2 read first; -ERROR 42S02: Unknown table 't2' in HANDLER -drop table t1; -CREATE TABLE t1 ( no1 smallint(5) NOT NULL default '0', no2 int(10) NOT NULL default '0', PRIMARY KEY (no1,no2)) ENGINE=InnoDB; -INSERT INTO t1 VALUES (1,274),(1,275),(2,6),(2,8),(4,1),(4,2); -HANDLER t1 OPEN; -HANDLER t1 READ `primary` = (1, 1000); -no1 no2 -HANDLER t1 READ `primary` PREV; -no1 no2 -1 275 -DROP TABLE t1; diff --git a/mysql-test/r/innodb_mysql.result b/mysql-test/r/innodb_mysql.result index 9f177e99a17..94b3fb3f62d 100644 --- a/mysql-test/r/innodb_mysql.result +++ b/mysql-test/r/innodb_mysql.result @@ -1,5 +1,6 @@ +SET SESSION STORAGE_ENGINE = InnoDB; drop table if exists t1,t2,t1m,t1i,t2m,t2i,t4; -create table t1(f1 varchar(800) binary not null, key(f1)) engine = innodb +create table t1(f1 varchar(800) binary not null, key(f1)) character set utf8 collate utf8_general_ci; Warnings: Warning 1071 Specified key was too long; max key length is 765 bytes @@ -10,7 +11,7 @@ c_id int(11) not null default '0', org_id int(11) default null, unique key contacts$c_id (c_id), key contacts$org_id (org_id) -) engine=innodb; +); insert into t1 values (2,null),(120,null),(141,null),(218,7), (128,1), (151,2),(234,2),(236,2),(243,2),(255,2),(259,2),(232,3),(235,3),(238,3), @@ -33,7 +34,7 @@ sla_set int(11) default null, unique key t2$slai_id (slai_id), key t2$owner_id (owner_id), key t2$sla_id (sla_id) -) engine=innodb; +); insert into t2(slai_id, owner_tbl, owner_id, sla_id) values (1,3,1,1), (3,3,10,2), (4,3,3,6), (5,3,2,5), (6,3,8,3), (7,3,9,7), (8,3,6,8), (9,3,4,9), (10,3,5,10), (11,3,11,11), (12,3,7,12); @@ -89,66 +90,12 @@ b a 3 3 3 3 DROP TABLE t1, t2, t3; -create table t1m (a int) engine=myisam; -create table t1i (a int) engine=innodb; -create table t2m (a int) engine=myisam; -create table t2i (a int) engine=innodb; +create table t1m (a int) engine = MEMORY; +create table t1i (a int); +create table t2m (a int) engine = MEMORY; +create table t2i (a int); insert into t2m values (5); insert into t2i values (5); -select min(a) from t1m; -min(a) -NULL -select min(7) from t1m; -min(7) -NULL -select min(7) from DUAL; -min(7) -NULL -explain select min(7) from t2m join t1m; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away -select min(7) from t2m join t1m; -min(7) -NULL -select max(a) from t1m; -max(a) -NULL -select max(7) from t1m; -max(7) -NULL -select max(7) from DUAL; -max(7) -NULL -explain select max(7) from t2m join t1m; -id select_type table type possible_keys key key_len ref rows Extra -1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away -select max(7) from t2m join t1m; -max(7) -NULL -select 1, min(a) from t1m where a=99; -1 min(a) -1 NULL -select 1, min(a) from t1m where 1=99; -1 min(a) -1 NULL -select 1, min(1) from t1m where a=99; -1 min(1) -1 NULL -select 1, min(1) from t1m where 1=99; -1 min(1) -1 NULL -select 1, max(a) from t1m where a=99; -1 max(a) -1 NULL -select 1, max(a) from t1m where 1=99; -1 max(a) -1 NULL -select 1, max(1) from t1m where a=99; -1 max(1) -1 NULL -select 1, max(1) from t1m where 1=99; -1 max(1) -1 NULL select min(a) from t1i; min(a) NULL @@ -229,7 +176,7 @@ count(*) min(7) max(7) drop table t1m, t1i, t2m, t2i; create table t1 ( a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' ' -); +) ENGINE = MEMORY; insert into t1 (a1, a2, b, c, d) values ('a','a','a','a111','xy1'),('a','a','a','b111','xy2'),('a','a','a','c111','xy3'),('a','a','a','d111','xy4'), ('a','a','b','e112','xy1'),('a','a','b','f112','xy2'),('a','a','b','g112','xy3'),('a','a','b','h112','xy4'), @@ -265,14 +212,14 @@ insert into t1 (a1, a2, b, c, d) values ('d','b','b','m422','xy1'),('d','b','b','n422','xy2'),('d','b','b','o422','xy3'),('d','b','b','p422','xy4'); create table t4 ( pk_col int auto_increment primary key, a1 char(64), a2 char(64), b char(16), c char(16) not null, d char(16), dummy char(64) default ' ' -) engine=innodb; +); insert into t4 (a1, a2, b, c, d, dummy) select * from t1; create index idx12672_0 on t4 (a1); create index idx12672_1 on t4 (a1,a2,b,c); create index idx12672_2 on t4 (a1,a2,b); -analyze table t1; +analyze table t4; Table Op Msg_type Msg_text -test.t1 analyze status OK +test.t4 analyze status OK select distinct a1 from t4 where pk_col not in (1,2,3,4); a1 a @@ -282,18 +229,18 @@ d drop table t1,t4; create table t1 ( a varchar(30), b varchar(30), primary key(a), key(b) -) engine=innodb; +); select distinct a from t1; a drop table t1; -create table t1(a int, key(a)) engine=innodb; +create table t1(a int, key(a)); insert into t1 values(1); select a, count(a) from t1 group by a with rollup; a count(a) 1 1 NULL 1 drop table t1; -create table t1 (f1 int, f2 char(1), primary key(f1,f2)) engine=innodb; +create table t1 (f1 int, f2 char(1), primary key(f1,f2)); insert into t1 values ( 1,"e"),(2,"a"),( 3,"c"),(4,"d"); alter table t1 drop primary key, add primary key (f2, f1); explain select distinct f1 a, f1 b from t1; @@ -303,7 +250,6 @@ explain select distinct f1, f2 from t1; id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t1 range NULL PRIMARY 5 NULL 3 Using index for group-by; Using temporary drop table t1; -set storage_engine=innodb; CREATE TABLE t1 (a int, b int); insert into t1 values (1,1),(1,2); CREATE TABLE t2 (primary key (a)) select * from t1; diff --git a/mysql-test/r/mix2_myisam.result b/mysql-test/r/mix2_myisam.result new file mode 100644 index 00000000000..bb9d0f5a527 --- /dev/null +++ b/mysql-test/r/mix2_myisam.result @@ -0,0 +1,2475 @@ +SET SESSION STORAGE_ENGINE = MEMORY; +drop table if exists t1,t2,t3,t4; +drop database if exists mysqltest; +create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=MyISAM; +insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'), (2, 'Erik'), (3, 'Sasha'), (3, 'Jeremy'), (4, 'Matt'); +select id, code, name from t1 order by id; +id code name +1 1 Tim +2 1 Monty +3 2 David +4 2 Erik +5 3 Sasha +6 3 Jeremy +7 4 Matt +update ignore t1 set id = 8, name = 'Sinisa' where id < 3; +select id, code, name from t1 order by id; +id code name +2 1 Monty +3 2 David +4 2 Erik +5 3 Sasha +6 3 Jeremy +7 4 Matt +8 1 Sinisa +update ignore t1 set id = id + 10, name = 'Ralph' where id < 4; +select id, code, name from t1 order by id; +id code name +3 2 David +4 2 Erik +5 3 Sasha +6 3 Jeremy +7 4 Matt +8 1 Sinisa +12 1 Ralph +drop table t1; +CREATE TABLE t1 ( +id int(11) NOT NULL auto_increment, +parent_id int(11) DEFAULT '0' NOT NULL, +level tinyint(4) DEFAULT '0' NOT NULL, +PRIMARY KEY (id), +KEY parent_id (parent_id), +KEY level (level) +) engine=MyISAM; +INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1),(179,5,2); +update t1 set parent_id=parent_id+100; +select * from t1 where parent_id=102; +id parent_id level +8 102 2 +9 102 2 +15 102 2 +update t1 set id=id+1000; +update t1 set id=1024 where id=1009; +Got one of the listed errors +select * from t1; +id parent_id level +1001 100 0 +1003 101 1 +1004 101 1 +1008 102 2 +1009 102 2 +1017 103 2 +1022 104 2 +1024 104 2 +1028 105 2 +1029 105 2 +1030 105 2 +1031 106 2 +1032 106 2 +1033 106 2 +1203 107 2 +1202 107 2 +1020 103 2 +1157 100 0 +1193 105 2 +1040 107 2 +1002 101 1 +1015 102 2 +1006 101 1 +1034 106 2 +1035 106 2 +1016 103 2 +1007 101 1 +1036 107 2 +1018 103 2 +1026 105 2 +1027 105 2 +1183 104 2 +1038 107 2 +1025 105 2 +1037 107 2 +1021 104 2 +1019 103 2 +1005 101 1 +1179 105 2 +update ignore t1 set id=id+1; +select * from t1; +id parent_id level +1001 100 0 +1003 101 1 +1004 101 1 +1008 102 2 +1010 102 2 +1017 103 2 +1023 104 2 +1024 104 2 +1028 105 2 +1029 105 2 +1030 105 2 +1031 106 2 +1032 106 2 +1033 106 2 +1204 107 2 +1203 107 2 +1020 103 2 +1158 100 0 +1194 105 2 +1041 107 2 +1002 101 1 +1015 102 2 +1006 101 1 +1034 106 2 +1035 106 2 +1016 103 2 +1007 101 1 +1036 107 2 +1018 103 2 +1026 105 2 +1027 105 2 +1184 104 2 +1039 107 2 +1025 105 2 +1038 107 2 +1022 104 2 +1019 103 2 +1005 101 1 +1180 105 2 +update ignore t1 set id=1023 where id=1010; +select * from t1 where parent_id=102; +id parent_id level +1008 102 2 +1010 102 2 +1015 102 2 +explain select level from t1 where level=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref level level 1 const # Using index +explain select level,id from t1 where level=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref level level 1 const # +explain select level,id,parent_id from t1 where level=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref level level 1 const # +select level,id from t1 where level=1; +level id +1 1003 +1 1004 +1 1002 +1 1006 +1 1007 +1 1005 +select level,id,parent_id from t1 where level=1; +level id parent_id +1 1003 101 +1 1004 101 +1 1002 101 +1 1006 101 +1 1007 101 +1 1005 101 +optimize table t1; +Table Op Msg_type Msg_text +test.t1 optimize status OK +show keys from t1; +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment +t1 0 PRIMARY 1 id A # NULL NULL BTREE +t1 1 parent_id 1 parent_id A # NULL NULL BTREE +t1 1 level 1 level A # NULL NULL BTREE +drop table t1; +CREATE TABLE t1 ( +gesuchnr int(11) DEFAULT '0' NOT NULL, +benutzer_id int(11) DEFAULT '0' NOT NULL, +PRIMARY KEY (gesuchnr,benutzer_id) +) engine=MyISAM; +replace into t1 (gesuchnr,benutzer_id) values (2,1); +replace into t1 (gesuchnr,benutzer_id) values (1,1); +replace into t1 (gesuchnr,benutzer_id) values (1,1); +select * from t1; +gesuchnr benutzer_id +1 1 +2 1 +drop table t1; +create table t1 (a int) engine=MyISAM; +insert into t1 values (1), (2); +optimize table t1; +Table Op Msg_type Msg_text +test.t1 optimize status OK +delete from t1 where a = 1; +select * from t1; +a +2 +check table t1; +Table Op Msg_type Msg_text +test.t1 check status OK +drop table t1; +create table t1 (a int,b varchar(20)) engine=MyISAM; +insert into t1 values (1,""), (2,"testing"); +delete from t1 where a = 1; +select * from t1; +a b +2 testing +create index skr on t1 (a); +insert into t1 values (3,""), (4,"testing"); +analyze table t1; +Table Op Msg_type Msg_text +test.t1 analyze status OK +show keys from t1; +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment +t1 1 skr 1 a A # NULL NULL YES BTREE +drop table t1; +create table t1 (a int,b varchar(20),key(a)) engine=MyISAM; +insert into t1 values (1,""), (2,"testing"); +select * from t1 where a = 1; +a b +1 +drop table t1; +CREATE TABLE t1 ( +user_id int(10) DEFAULT '0' NOT NULL, +name varchar(100), +phone varchar(100), +ref_email varchar(100) DEFAULT '' NOT NULL, +detail varchar(200), +PRIMARY KEY (user_id,ref_email) +)engine=MyISAM; +INSERT INTO t1 VALUES (10292,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10292,'shirish','2333604','shirish@yahoo.com','ddsds'),(10292,'sonali','323232','sonali@bolly.com','filmstar'); +select * from t1 where user_id=10292; +user_id name phone ref_email detail +10292 sanjeev 29153373 sansh777@hotmail.com xxx +10292 shirish 2333604 shirish@yahoo.com ddsds +10292 sonali 323232 sonali@bolly.com filmstar +INSERT INTO t1 VALUES (10291,'sanjeev','29153373','sansh777@hotmail.com','xxx'),(10293,'shirish','2333604','shirish@yahoo.com','ddsds'); +select * from t1 where user_id=10292; +user_id name phone ref_email detail +10292 sanjeev 29153373 sansh777@hotmail.com xxx +10292 shirish 2333604 shirish@yahoo.com ddsds +10292 sonali 323232 sonali@bolly.com filmstar +select * from t1 where user_id>=10292; +user_id name phone ref_email detail +10292 sanjeev 29153373 sansh777@hotmail.com xxx +10292 shirish 2333604 shirish@yahoo.com ddsds +10292 sonali 323232 sonali@bolly.com filmstar +10293 shirish 2333604 shirish@yahoo.com ddsds +select * from t1 where user_id>10292; +user_id name phone ref_email detail +10293 shirish 2333604 shirish@yahoo.com ddsds +select * from t1 where user_id<10292; +user_id name phone ref_email detail +10291 sanjeev 29153373 sansh777@hotmail.com xxx +drop table t1; +CREATE TABLE t1 (a int not null, b int not null,c int not null, +key(a),primary key(a,b), unique(c),key(a),unique(b)) ENGINE = MyISAM; +show index from t1; +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment +t1 0 PRIMARY 1 a A # NULL NULL BTREE +t1 0 PRIMARY 2 b A # NULL NULL BTREE +t1 0 c 1 c A # NULL NULL BTREE +t1 0 b 1 b A # NULL NULL BTREE +t1 1 a 1 a A # NULL NULL BTREE +t1 1 a_2 1 a A # NULL NULL BTREE +drop table t1; +create table t1 (col1 int not null, col2 char(4) not null, primary key(col1)) ENGINE = MEMORY; +alter table t1 engine=MyISAM; +insert into t1 values ('1','1'),('5','2'),('2','3'),('3','4'),('4','4'); +select * from t1; +col1 col2 +1 1 +5 2 +2 3 +3 4 +4 4 +update t1 set col2='7' where col1='4'; +select * from t1; +col1 col2 +1 1 +5 2 +2 3 +3 4 +4 7 +alter table t1 add co3 int not null; +select * from t1; +col1 col2 co3 +1 1 0 +5 2 0 +2 3 0 +3 4 0 +4 7 0 +update t1 set col2='9' where col1='2'; +select * from t1; +col1 col2 co3 +1 1 0 +5 2 0 +2 9 0 +3 4 0 +4 7 0 +drop table t1; +create table t1 (a int not null , b int, primary key (a)) engine = MyISAM; +create table t2 (a int not null , b int, primary key (a)) engine = MEMORY; +insert into t1 VALUES (1,3) , (2,3), (3,3); +select * from t1; +a b +1 3 +2 3 +3 3 +insert into t2 select * from t1; +select * from t2; +a b +1 3 +2 3 +3 3 +delete from t1 where b = 3; +select * from t1; +a b +insert into t1 select * from t2; +select * from t1; +a b +3 3 +2 3 +1 3 +select * from t2; +a b +1 3 +2 3 +3 3 +drop table t1,t2; +CREATE TABLE t1 ( +id int(11) NOT NULL auto_increment, +ggid varchar(32) binary DEFAULT '' NOT NULL, +email varchar(64) DEFAULT '' NOT NULL, +passwd varchar(32) binary DEFAULT '' NOT NULL, +PRIMARY KEY (id), +UNIQUE ggid (ggid) +) ENGINE=MyISAM; +insert into t1 (ggid,passwd) values ('test1','xxx'); +insert into t1 (ggid,passwd) values ('test2','yyy'); +insert into t1 (ggid,passwd) values ('test2','this will fail'); +ERROR 23000: Duplicate entry 'test2' for key 'ggid' +insert into t1 (ggid,id) values ('this will fail',1); +ERROR 23000: Duplicate entry '1' for key 'PRIMARY' +select * from t1 where ggid='test1'; +id ggid email passwd +1 test1 xxx +select * from t1 where passwd='xxx'; +id ggid email passwd +1 test1 xxx +select * from t1 where id=2; +id ggid email passwd +2 test2 yyy +replace into t1 (ggid,id) values ('this will work',1); +replace into t1 (ggid,passwd) values ('test2','this will work'); +update t1 set id=100,ggid='test2' where id=1; +ERROR 23000: Duplicate entry 'test2' for key 'ggid' +select * from t1; +id ggid email passwd +1 this will work +3 test2 this will work +select * from t1 where id=1; +id ggid email passwd +1 this will work +select * from t1 where id=999; +id ggid email passwd +drop table t1; +CREATE TABLE t1 ( +user_name varchar(12), +password text, +subscribed char(1), +user_id int(11) DEFAULT '0' NOT NULL, +quota bigint(20), +weight double, +access_date date, +access_time time, +approved datetime, +dummy_primary_key int(11) NOT NULL auto_increment, +PRIMARY KEY (dummy_primary_key) +) ENGINE=MyISAM; +INSERT INTO t1 VALUES ('user_0','somepassword','N',0,0,0,'2000-09-07','23:06:59','2000-09-07 23:06:59',1); +INSERT INTO t1 VALUES ('user_1','somepassword','Y',1,1,1,'2000-09-07','23:06:59','2000-09-07 23:06:59',2); +INSERT INTO t1 VALUES ('user_2','somepassword','N',2,2,1.4142135623731,'2000-09-07','23:06:59','2000-09-07 23:06:59',3); +INSERT INTO t1 VALUES ('user_3','somepassword','Y',3,3,1.7320508075689,'2000-09-07','23:06:59','2000-09-07 23:06:59',4); +INSERT INTO t1 VALUES ('user_4','somepassword','N',4,4,2,'2000-09-07','23:06:59','2000-09-07 23:06:59',5); +select user_name, password , subscribed, user_id, quota, weight, access_date, access_time, approved, dummy_primary_key from t1 order by user_name; +user_name password subscribed user_id quota weight access_date access_time approved dummy_primary_key +user_0 somepassword N 0 0 0 2000-09-07 23:06:59 2000-09-07 23:06:59 1 +user_1 somepassword Y 1 1 1 2000-09-07 23:06:59 2000-09-07 23:06:59 2 +user_2 somepassword N 2 2 1.4142135623731 2000-09-07 23:06:59 2000-09-07 23:06:59 3 +user_3 somepassword Y 3 3 1.7320508075689 2000-09-07 23:06:59 2000-09-07 23:06:59 4 +user_4 somepassword N 4 4 2 2000-09-07 23:06:59 2000-09-07 23:06:59 5 +drop table t1; +CREATE TABLE t1 ( +id int(11) NOT NULL auto_increment, +parent_id int(11) DEFAULT '0' NOT NULL, +level tinyint(4) DEFAULT '0' NOT NULL, +KEY (id), +KEY parent_id (parent_id), +KEY level (level) +) engine=MyISAM; +INSERT INTO t1 VALUES (1,0,0),(3,1,1),(4,1,1),(8,2,2),(9,2,2),(17,3,2),(22,4,2),(24,4,2),(28,5,2),(29,5,2),(30,5,2),(31,6,2),(32,6,2),(33,6,2),(203,7,2),(202,7,2),(20,3,2),(157,0,0),(193,5,2),(40,7,2),(2,1,1),(15,2,2),(6,1,1),(34,6,2),(35,6,2),(16,3,2),(7,1,1),(36,7,2),(18,3,2),(26,5,2),(27,5,2),(183,4,2),(38,7,2),(25,5,2),(37,7,2),(21,4,2),(19,3,2),(5,1,1); +INSERT INTO t1 values (179,5,2); +update t1 set parent_id=parent_id+100; +select * from t1 where parent_id=102; +id parent_id level +8 102 2 +9 102 2 +15 102 2 +update t1 set id=id+1000; +update t1 set id=1024 where id=1009; +select * from t1; +id parent_id level +1001 100 0 +1003 101 1 +1004 101 1 +1008 102 2 +1024 102 2 +1017 103 2 +1022 104 2 +1024 104 2 +1028 105 2 +1029 105 2 +1030 105 2 +1031 106 2 +1032 106 2 +1033 106 2 +1203 107 2 +1202 107 2 +1020 103 2 +1157 100 0 +1193 105 2 +1040 107 2 +1002 101 1 +1015 102 2 +1006 101 1 +1034 106 2 +1035 106 2 +1016 103 2 +1007 101 1 +1036 107 2 +1018 103 2 +1026 105 2 +1027 105 2 +1183 104 2 +1038 107 2 +1025 105 2 +1037 107 2 +1021 104 2 +1019 103 2 +1005 101 1 +1179 105 2 +update ignore t1 set id=id+1; +select * from t1; +id parent_id level +1002 100 0 +1004 101 1 +1005 101 1 +1009 102 2 +1025 102 2 +1018 103 2 +1023 104 2 +1025 104 2 +1029 105 2 +1030 105 2 +1031 105 2 +1032 106 2 +1033 106 2 +1034 106 2 +1204 107 2 +1203 107 2 +1021 103 2 +1158 100 0 +1194 105 2 +1041 107 2 +1003 101 1 +1016 102 2 +1007 101 1 +1035 106 2 +1036 106 2 +1017 103 2 +1008 101 1 +1037 107 2 +1019 103 2 +1027 105 2 +1028 105 2 +1184 104 2 +1039 107 2 +1026 105 2 +1038 107 2 +1022 104 2 +1020 103 2 +1006 101 1 +1180 105 2 +update ignore t1 set id=1023 where id=1010; +select * from t1 where parent_id=102; +id parent_id level +1009 102 2 +1025 102 2 +1016 102 2 +explain select level from t1 where level=1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref level level 1 const # Using index +select level,id from t1 where level=1; +level id +1 1004 +1 1005 +1 1003 +1 1007 +1 1008 +1 1006 +select level,id,parent_id from t1 where level=1; +level id parent_id +1 1004 101 +1 1005 101 +1 1003 101 +1 1007 101 +1 1008 101 +1 1006 101 +select level,id from t1 where level=1 order by id; +level id +1 1003 +1 1004 +1 1005 +1 1006 +1 1007 +1 1008 +delete from t1 where level=1; +select * from t1; +id parent_id level +1002 100 0 +1009 102 2 +1025 102 2 +1018 103 2 +1023 104 2 +1025 104 2 +1029 105 2 +1030 105 2 +1031 105 2 +1032 106 2 +1033 106 2 +1034 106 2 +1204 107 2 +1203 107 2 +1021 103 2 +1158 100 0 +1194 105 2 +1041 107 2 +1016 102 2 +1035 106 2 +1036 106 2 +1017 103 2 +1037 107 2 +1019 103 2 +1027 105 2 +1028 105 2 +1184 104 2 +1039 107 2 +1026 105 2 +1038 107 2 +1022 104 2 +1020 103 2 +1180 105 2 +drop table t1; +CREATE TABLE t1 ( +sca_code char(6) NOT NULL, +cat_code char(6) NOT NULL, +sca_desc varchar(50), +lan_code char(2) NOT NULL, +sca_pic varchar(100), +sca_sdesc varchar(50), +sca_sch_desc varchar(16), +PRIMARY KEY (sca_code, cat_code, lan_code), +INDEX sca_pic (sca_pic) +) engine = MyISAM ; +INSERT INTO t1 ( sca_code, cat_code, sca_desc, lan_code, sca_pic, sca_sdesc, sca_sch_desc) VALUES ( 'PD', 'J', 'PENDANT', 'EN', NULL, NULL, 'PENDANT'),( 'RI', 'J', 'RING', 'EN', NULL, NULL, 'RING'),( 'QQ', 'N', 'RING', 'EN', 'not null', NULL, 'RING'); +select count(*) from t1 where sca_code = 'PD'; +count(*) +1 +select count(*) from t1 where sca_code <= 'PD'; +count(*) +1 +select count(*) from t1 where sca_pic is null; +count(*) +2 +alter table t1 drop index sca_pic, add index sca_pic (cat_code, sca_pic); +select count(*) from t1 where sca_code='PD' and sca_pic is null; +count(*) +1 +select count(*) from t1 where cat_code='E'; +count(*) +0 +alter table t1 drop index sca_pic, add index (sca_pic, cat_code); +select count(*) from t1 where sca_code='PD' and sca_pic is null; +count(*) +1 +select count(*) from t1 where sca_pic >= 'n'; +count(*) +1 +select sca_pic from t1 where sca_pic is null; +sca_pic +NULL +NULL +update t1 set sca_pic="test" where sca_pic is null; +delete from t1 where sca_code='pd'; +drop table t1; +set @a:=now(); +CREATE TABLE t1 (a int not null, b timestamp not null, primary key (a)) engine=MyISAM; +insert into t1 (a) values(1),(2),(3); +select t1.a from t1 natural join t1 as t2 where t1.b >= @a order by t1.a; +a +1 +2 +3 +select a from t1 natural join t1 as t2 where b >= @a order by a; +a +1 +2 +3 +update t1 set a=5 where a=1; +select a from t1; +a +2 +3 +5 +drop table t1; +create table t1 (a varchar(100) not null, primary key(a), b int not null) engine=MyISAM; +insert into t1 values("hello",1),("world",2); +select * from t1 order by b desc; +a b +world 2 +hello 1 +optimize table t1; +Table Op Msg_type Msg_text +test.t1 optimize status OK +show keys from t1; +Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment +t1 0 PRIMARY 1 a A # NULL NULL BTREE +drop table t1; +create table t1 (i int, j int ) ENGINE=MyISAM; +insert into t1 values (1,2); +select * from t1 where i=1 and j=2; +i j +1 2 +create index ax1 on t1 (i,j); +select * from t1 where i=1 and j=2; +i j +1 2 +drop table t1; +CREATE TABLE t1 ( +a int3 unsigned NOT NULL, +b int1 unsigned NOT NULL, +UNIQUE (a, b) +) ENGINE = MyISAM; +INSERT INTO t1 VALUES (1, 1); +SELECT MIN(B),MAX(b) FROM t1 WHERE t1.a = 1; +MIN(B) MAX(b) +1 1 +drop table t1; +CREATE TABLE t1 (a int unsigned NOT NULL) engine=MyISAM; +INSERT INTO t1 VALUES (1); +SELECT * FROM t1; +a +1 +DROP TABLE t1; +create table t1 (a int primary key,b int, c int, d int, e int, f int, g int, h int, i int, j int, k int, l int, m int, n int, o int, p int, q int, r int, s int, t int, u int, v int, w int, x int, y int, z int, a1 int, a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int, b1 int, b2 int, b3 int, b4 int, b5 int, b6 int) engine = MyISAM; +insert into t1 values (1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1); +explain select * from t1 where a > 0 and a < 50; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 system PRIMARY NULL NULL NULL # +drop table t1; +create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=MyISAM; +insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); +LOCK TABLES t1 WRITE; +insert into t1 values (99,1,2,'D'),(1,1,2,'D'); +ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY' +select id from t1; +id +0 +1 +2 +99 +select id from t1; +id +0 +1 +2 +99 +UNLOCK TABLES; +DROP TABLE t1; +create table t1 (id int NOT NULL,id2 int NOT NULL,id3 int NOT NULL,dummy1 char(30),primary key (id,id2),index index_id3 (id3)) engine=MyISAM; +insert into t1 values (0,0,0,'ABCDEFGHIJ'),(2,2,2,'BCDEFGHIJK'),(1,1,1,'CDEFGHIJKL'); +LOCK TABLES t1 WRITE; +begin; +insert into t1 values (99,1,2,'D'),(1,1,2,'D'); +ERROR 23000: Duplicate entry '1-1' for key 'PRIMARY' +select id from t1; +id +0 +1 +2 +99 +insert ignore into t1 values (100,1,2,'D'),(1,1,99,'D'); +commit; +select id,id3 from t1; +id id3 +0 0 +2 2 +1 1 +99 2 +100 2 +UNLOCK TABLES; +DROP TABLE t1; +create table t1 (a char(20), unique (a(5))) engine=MyISAM; +drop table t1; +create table t1 (a char(20), index (a(5))) engine=MyISAM; +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `a` char(20) DEFAULT NULL, + KEY `a` (`a`(5)) +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +drop table t1; +create temporary table t1 (a int not null auto_increment, primary key(a)) engine=MyISAM; +insert into t1 values (NULL),(NULL),(NULL); +delete from t1 where a=3; +insert into t1 values (NULL); +select * from t1; +a +1 +2 +4 +alter table t1 add b int; +select * from t1; +a b +1 NULL +2 NULL +4 NULL +drop table t1; +create table t1 +( +id int auto_increment primary key, +name varchar(32) not null, +value text not null, +uid int not null, +unique key(name,uid) +) engine=MyISAM; +insert into t1 values (1,'one','one value',101), +(2,'two','two value',102),(3,'three','three value',103); +set insert_id=5; +replace into t1 (value,name,uid) values ('other value','two',102); +delete from t1 where uid=102; +set insert_id=5; +replace into t1 (value,name,uid) values ('other value','two',102); +set insert_id=6; +replace into t1 (value,name,uid) values ('other value','two',102); +select * from t1; +id name value uid +1 one one value 101 +3 three three value 103 +6 two other value 102 +drop table t1; +create database mysqltest; +create table mysqltest.t1 (a int not null) engine= MyISAM; +insert into mysqltest.t1 values(1); +create table mysqltest.t2 (a int not null) engine= MyISAM; +insert into mysqltest.t2 values(1); +create table mysqltest.t3 (a int not null) engine= MEMORY; +insert into mysqltest.t3 values(1); +commit; +drop database mysqltest; +show tables from mysqltest; +ERROR 42000: Unknown database 'mysqltest' +set autocommit=0; +create table t1 (a int not null) engine= MyISAM; +insert into t1 values(1),(2); +truncate table t1; +commit; +truncate table t1; +truncate table t1; +select * from t1; +a +insert into t1 values(1),(2); +delete from t1; +select * from t1; +a +commit; +drop table t1; +set autocommit=1; +create table t1 (a int not null) engine= MyISAM; +insert into t1 values(1),(2); +truncate table t1; +insert into t1 values(1),(2); +select * from t1; +a +1 +2 +truncate table t1; +insert into t1 values(1),(2); +delete from t1; +select * from t1; +a +drop table t1; +create table t1 (a int not null, b int not null, c int not null, primary key (a),key(b)) engine=MyISAM; +insert into t1 values (3,3,3),(1,1,1),(2,2,2),(4,4,4); +explain select * from t1 order by a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL # Using filesort +explain select * from t1 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL # Using filesort +explain select * from t1 order by c; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL # Using filesort +explain select a from t1 order by a; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL PRIMARY 4 NULL # Using index +explain select b from t1 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL b 4 NULL # Using index +explain select a,b from t1 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL # Using filesort +explain select a,b from t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL # +explain select a,b,c from t1; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL # +drop table t1; +create table t1 (t int not null default 1, key (t)) engine=MyISAM; +desc t1; +Field Type Null Key Default Extra +t int(11) NO MUL 1 +drop table t1; +CREATE TABLE t1 ( +number bigint(20) NOT NULL default '0', +cname char(15) NOT NULL default '', +carrier_id smallint(6) NOT NULL default '0', +privacy tinyint(4) NOT NULL default '0', +last_mod_date timestamp NOT NULL, +last_mod_id smallint(6) NOT NULL default '0', +last_app_date timestamp NOT NULL, +last_app_id smallint(6) default '-1', +version smallint(6) NOT NULL default '0', +assigned_scps int(11) default '0', +status tinyint(4) default '0' +) ENGINE=MyISAM; +INSERT INTO t1 VALUES (4077711111,'SeanWheeler',90,2,20020111112846,500,00000000000000,-1,2,3,1); +INSERT INTO t1 VALUES (9197722223,'berry',90,3,20020111112809,500,20020102114532,501,4,10,0); +INSERT INTO t1 VALUES (650,'San Francisco',0,0,20011227111336,342,00000000000000,-1,1,24,1); +INSERT INTO t1 VALUES (302467,'Sue\'s Subshop',90,3,20020109113241,500,20020102115111,501,7,24,0); +INSERT INTO t1 VALUES (6014911113,'SudzCarwash',520,1,20020102115234,500,20020102115259,501,33,32768,0); +INSERT INTO t1 VALUES (333,'tubs',99,2,20020109113440,501,20020109113440,500,3,10,0); +CREATE TABLE t2 ( +number bigint(20) NOT NULL default '0', +cname char(15) NOT NULL default '', +carrier_id smallint(6) NOT NULL default '0', +privacy tinyint(4) NOT NULL default '0', +last_mod_date timestamp NOT NULL, +last_mod_id smallint(6) NOT NULL default '0', +last_app_date timestamp NOT NULL, +last_app_id smallint(6) default '-1', +version smallint(6) NOT NULL default '0', +assigned_scps int(11) default '0', +status tinyint(4) default '0' +) ENGINE=MyISAM; +INSERT INTO t2 VALUES (4077711111,'SeanWheeler',0,2,20020111112853,500,00000000000000,-1,2,3,1); +INSERT INTO t2 VALUES (9197722223,'berry',90,3,20020111112818,500,20020102114532,501,4,10,0); +INSERT INTO t2 VALUES (650,'San Francisco',90,0,20020109113158,342,00000000000000,-1,1,24,1); +INSERT INTO t2 VALUES (333,'tubs',99,2,20020109113453,501,20020109113453,500,3,10,0); +select * from t1; +number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status +4077711111 SeanWheeler 90 2 2002-01-11 11:28:46 500 0000-00-00 00:00:00 -1 2 3 1 +9197722223 berry 90 3 2002-01-11 11:28:09 500 2002-01-02 11:45:32 501 4 10 0 +650 San Francisco 0 0 2001-12-27 11:13:36 342 0000-00-00 00:00:00 -1 1 24 1 +302467 Sue's Subshop 90 3 2002-01-09 11:32:41 500 2002-01-02 11:51:11 501 7 24 0 +6014911113 SudzCarwash 520 1 2002-01-02 11:52:34 500 2002-01-02 11:52:59 501 33 32768 0 +333 tubs 99 2 2002-01-09 11:34:40 501 2002-01-09 11:34:40 500 3 10 0 +select * from t2; +number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status +4077711111 SeanWheeler 0 2 2002-01-11 11:28:53 500 0000-00-00 00:00:00 -1 2 3 1 +9197722223 berry 90 3 2002-01-11 11:28:18 500 2002-01-02 11:45:32 501 4 10 0 +650 San Francisco 90 0 2002-01-09 11:31:58 342 0000-00-00 00:00:00 -1 1 24 1 +333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 +delete t1, t2 from t1 left join t2 on t1.number=t2.number where (t1.carrier_id=90 and t1.number=t2.number) or (t2.carrier_id=90 and t1.number=t2.number) or (t1.carrier_id=90 and t2.number is null); +select * from t1; +number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status +6014911113 SudzCarwash 520 1 2002-01-02 11:52:34 500 2002-01-02 11:52:59 501 33 32768 0 +333 tubs 99 2 2002-01-09 11:34:40 501 2002-01-09 11:34:40 500 3 10 0 +select * from t2; +number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status +333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 +select * from t2; +number cname carrier_id privacy last_mod_date last_mod_id last_app_date last_app_id version assigned_scps status +333 tubs 99 2 2002-01-09 11:34:53 501 2002-01-09 11:34:53 500 3 10 0 +drop table t1,t2; +create table t1 (id int unsigned not null auto_increment, code tinyint unsigned not null, name char(20) not null, primary key (id), key (code), unique (name)) engine=MyISAM; +BEGIN; +SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; +SELECT @@tx_isolation,@@global.tx_isolation; +@@tx_isolation @@global.tx_isolation +SERIALIZABLE REPEATABLE-READ +insert into t1 (code, name) values (1, 'Tim'), (1, 'Monty'), (2, 'David'); +select id, code, name from t1 order by id; +id code name +1 1 Tim +2 1 Monty +3 2 David +COMMIT; +BEGIN; +SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ; +insert into t1 (code, name) values (2, 'Erik'), (3, 'Sasha'); +select id, code, name from t1 order by id; +id code name +1 1 Tim +2 1 Monty +3 2 David +4 2 Erik +5 3 Sasha +COMMIT; +BEGIN; +SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED; +insert into t1 (code, name) values (3, 'Jeremy'), (4, 'Matt'); +select id, code, name from t1 order by id; +id code name +1 1 Tim +2 1 Monty +3 2 David +4 2 Erik +5 3 Sasha +6 3 Jeremy +7 4 Matt +COMMIT; +DROP TABLE t1; +create table t1 (n int(10), d int(10)) engine=MyISAM; +create table t2 (n int(10), d int(10)) engine=MyISAM; +insert into t1 values(1,1),(1,2); +insert into t2 values(1,10),(2,20); +UPDATE t1,t2 SET t1.d=t2.d,t2.d=30 WHERE t1.n=t2.n; +select * from t1; +n d +1 10 +1 10 +select * from t2; +n d +1 30 +2 20 +drop table t1,t2; +create table t1 (a int, b int) engine=MyISAM; +insert into t1 values(20,null); +select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on +t2.b=t3.a; +b ifnull(t2.b,"this is null") +NULL this is null +select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on +t2.b=t3.a order by 1; +b ifnull(t2.b,"this is null") +NULL this is null +insert into t1 values(10,null); +select t2.b, ifnull(t2.b,"this is null") from t1 as t2 left join t1 as t3 on +t2.b=t3.a order by 1; +b ifnull(t2.b,"this is null") +NULL this is null +NULL this is null +drop table t1; +create table t1 (a varchar(10) not null) engine = MEMORY; +create table t2 (b varchar(10) not null unique) engine=MyISAM; +select t1.a from t1,t2 where t1.a=t2.b; +a +drop table t1,t2; +create table t1 (a int not null, b int, primary key (a)) engine = MyISAM; +create table t2 (a int not null, b int, primary key (a)) engine = MyISAM; +insert into t1 values (10, 20); +insert into t2 values (10, 20); +update t1, t2 set t1.b = 150, t2.b = t1.b where t2.a = t1.a and t1.a = 10; +drop table t1,t2; +CREATE TABLE t1 (a int not null primary key, b int not null, unique (b)) engine=MyISAM; +INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); +UPDATE t1 set a=a+100 where b between 2 and 3 and a < 1000; +SELECT * from t1; +a b +1 1 +102 2 +103 3 +4 4 +5 5 +6 6 +7 7 +8 8 +9 9 +drop table t1; +CREATE TABLE t1 (a int not null primary key, b int not null, key (b)) engine=MyISAM; +CREATE TABLE t2 (a int not null primary key, b int not null, key (b)) engine=MyISAM; +INSERT INTO t1 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9),(10,10),(11,11),(12,12); +INSERT INTO t2 values (1,1),(2,2),(3,3),(4,4),(5,5),(6,6),(7,7),(8,8),(9,9); +update t1,t2 set t1.a=t1.a+100; +select * from t1; +a b +101 1 +102 2 +103 3 +104 4 +105 5 +106 6 +107 7 +108 8 +109 9 +110 10 +111 11 +112 12 +update t1,t2 set t1.a=t1.a+100 where t1.a=101; +select * from t1; +a b +201 1 +102 2 +103 3 +104 4 +105 5 +106 6 +107 7 +108 8 +109 9 +110 10 +111 11 +112 12 +update t1,t2 set t1.b=t1.b+10 where t1.b=2; +select * from t1; +a b +201 1 +102 12 +103 3 +104 4 +105 5 +106 6 +107 7 +108 8 +109 9 +110 10 +111 11 +112 12 +update t1,t2 set t1.b=t1.b+2,t2.b=t1.b+10 where t1.b between 3 and 5 and t1.a=t2.a+100; +select * from t1; +a b +201 1 +102 12 +103 5 +104 6 +105 7 +106 6 +107 7 +108 8 +109 9 +110 10 +111 11 +112 12 +select * from t2; +a b +1 1 +2 2 +3 13 +4 14 +5 15 +6 6 +7 7 +8 8 +9 9 +drop table t1,t2; +CREATE TABLE t2 ( NEXT_T BIGINT NOT NULL PRIMARY KEY) ENGINE=MEMORY; +CREATE TABLE t1 ( B_ID INTEGER NOT NULL PRIMARY KEY) ENGINE=MyISAM; +SET AUTOCOMMIT=0; +INSERT INTO t1 ( B_ID ) VALUES ( 1 ); +INSERT INTO t2 ( NEXT_T ) VALUES ( 1 ); +ROLLBACK; +Warnings: +Warning 1196 Some non-transactional changed tables couldn't be rolled back +SELECT * FROM t1; +B_ID +1 +drop table t1,t2; +create table t1 ( pk int primary key, parent int not null, child int not null, index (parent) ) engine = MyISAM; +insert into t1 values (1,0,4), (2,1,3), (3,2,1), (4,1,2); +select distinct parent,child from t1 order by parent; +parent child +0 4 +1 2 +1 3 +2 1 +drop table t1; +create table t1 (a int not null auto_increment primary key, b int, c int, key(c)) engine=MyISAM; +create table t2 (a int not null auto_increment primary key, b int) ENGINE = MEMORY; +insert into t1 (b) values (null),(null),(null),(null),(null),(null),(null); +insert into t2 (a) select b from t1; +insert into t1 (b) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +insert into t2 (a) select b from t1; +insert into t1 (a) select b from t2; +select count(*) from t1; +count(*) +29267 +explain select * from t1 where c between 1 and 2500; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range c c 5 NULL # Using where +update t1 set c=a; +explain select * from t1 where c between 1 and 2500; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range c c 5 NULL # Using where +drop table t1,t2; +create table t1 (id int primary key auto_increment, fk int, index index_fk (fk)) engine=MyISAM; +insert into t1 (id) values (null),(null),(null),(null),(null); +update t1 set fk=69 where fk is null order by id limit 1; +SELECT * from t1; +id fk +1 69 +2 NULL +3 NULL +4 NULL +5 NULL +drop table t1; +create table t1 (a int not null, b int not null, key (a)) engine=MyISAM; +insert into t1 values (1,1),(1,2),(1,3),(3,1),(3,2),(3,3),(3,1),(3,2),(3,3),(2,1),(2,2),(2,3); +SET @tmp=0; +update t1 set b=(@tmp:=@tmp+1) order by a; +update t1 set b=99 where a=1 order by b asc limit 1; +update t1 set b=100 where a=1 order by b desc limit 2; +update t1 set a=a+10+b where a=1 order by b; +select * from t1 order by a,b; +a b +2 4 +2 5 +2 6 +3 7 +3 8 +3 9 +3 10 +3 11 +3 12 +13 2 +111 100 +111 100 +drop table t1; +create table t1 ( c char(8) not null ) engine=MyISAM; +insert into t1 values ('0'),('1'),('2'),('3'),('4'),('5'),('6'),('7'),('8'),('9'); +insert into t1 values ('A'),('B'),('C'),('D'),('E'),('F'); +alter table t1 add b char(8) not null; +alter table t1 add a char(8) not null; +alter table t1 add primary key (a,b,c); +update t1 set a=c, b=c; +create table t2 (c char(8) not null, b char(8) not null, a char(8) not null, primary key(a,b,c)) engine=MyISAM; +insert into t2 select * from t1; +delete t1,t2 from t2,t1 where t1.a<'B' and t2.b=t1.b; +drop table t1,t2; +SET AUTOCOMMIT=1; +create table t1 (a integer auto_increment primary key) engine=MyISAM; +insert into t1 (a) values (NULL),(NULL); +truncate table t1; +insert into t1 (a) values (NULL),(NULL); +SELECT * from t1; +a +1 +2 +drop table t1; +CREATE TABLE t1 (col1 int(1))ENGINE=MyISAM; +CREATE TABLE t2 (col1 int(1),stamp TIMESTAMP,INDEX stamp_idx +(stamp))ENGINE=MyISAM; +insert into t1 values (1),(2),(3); +insert into t2 values (1, 20020204130000),(2, 20020204130000),(4,20020204310000 ),(5,20020204230000); +Warnings: +Warning 1265 Data truncated for column 'stamp' at row 3 +SELECT col1 FROM t1 UNION SELECT col1 FROM t2 WHERE stamp < +'20020204120000' GROUP BY col1; +col1 +1 +2 +3 +4 +drop table t1,t2; +CREATE TABLE t1 ( +`id` int(10) unsigned NOT NULL auto_increment, +`id_object` int(10) unsigned default '0', +`id_version` int(10) unsigned NOT NULL default '1', +`label` varchar(100) NOT NULL default '', +`description` text, +PRIMARY KEY (`id`), +KEY `id_object` (`id_object`), +KEY `id_version` (`id_version`) +) ENGINE=MyISAM; +INSERT INTO t1 VALUES("6", "3382", "9", "Test", NULL), ("7", "102", "5", "Le Pekin (Test)", NULL),("584", "1794", "4", "Test de resto", NULL),("837", "1822", "6", "Test 3", NULL),("1119", "3524", "1", "Societe Test", NULL),("1122", "3525", "1", "Fournisseur Test", NULL); +CREATE TABLE t2 ( +`id` int(10) unsigned NOT NULL auto_increment, +`id_version` int(10) unsigned NOT NULL default '1', +PRIMARY KEY (`id`), +KEY `id_version` (`id_version`) +) ENGINE=MyISAM; +INSERT INTO t2 VALUES("3524", "1"),("3525", "1"),("1794", "4"),("102", "5"),("1822", "6"),("3382", "9"); +SELECT t2.id, t1.`label` FROM t2 INNER JOIN +(SELECT t1.id_object as id_object FROM t1 WHERE t1.`label` LIKE '%test%') AS lbl +ON (t2.id = lbl.id_object) INNER JOIN t1 ON (t2.id = t1.id_object); +id label +3382 Test +102 Le Pekin (Test) +1794 Test de resto +1822 Test 3 +3524 Societe Test +3525 Fournisseur Test +drop table t1,t2; +create table t1 (a int, b varchar(200), c text not null) checksum=1 engine=MyISAM; +create table t2 (a int, b varchar(200), c text not null) checksum=0 engine=MyISAM; +create table t3 (a int, b varchar(200), c varchar(200) not null) checksum=1 engine=MEMORY; +create table t4 (a int, b varchar(200), c varchar(200) not null) checksum=0 engine=MEMORY; +create table t5 (a int, b varchar(200), c text not null) checksum=1 engine=MyISAM; +create table t6 (a int, b varchar(200), c text not null) checksum=0 engine=MyISAM; +insert t1 values (1, "aaa", "bbb"), (NULL, "", "ccccc"), (0, NULL, ""); +insert t2 select * from t1; +insert t3 select * from t1; +insert t4 select * from t1; +insert t5 select * from t1; +insert t6 select * from t1; +checksum table t1, t2, t3, t4, t5, t6, t7 quick; +Table Checksum +test.t1 2948697075 +test.t2 NULL +test.t3 NULL +test.t4 NULL +test.t5 2948697075 +test.t6 NULL +test.t7 NULL +Warnings: +Error 1146 Table 'test.t7' doesn't exist +checksum table t1, t2, t3, t4, t5, t6, t7; +Table Checksum +test.t1 2948697075 +test.t2 2948697075 +test.t3 2948697075 +test.t4 2948697075 +test.t5 2948697075 +test.t6 2948697075 +test.t7 NULL +Warnings: +Error 1146 Table 'test.t7' doesn't exist +checksum table t1, t2, t3, t4, t5, t6, t7 extended; +Table Checksum +test.t1 2948697075 +test.t2 2948697075 +test.t3 2948697075 +test.t4 2948697075 +test.t5 2948697075 +test.t6 2948697075 +test.t7 NULL +Warnings: +Error 1146 Table 'test.t7' doesn't exist +drop table t1,t2,t3, t4, t5, t6; +create table t1 (id int, name char(10) not null, name2 char(10) not null) engine=MyISAM; +insert into t1 values(1,'first','fff'),(2,'second','sss'),(3,'third','ttt'); +select trim(name2) from t1 union all select trim(name) from t1 union all select trim(id) from t1; +trim(name2) +fff +sss +ttt +first +second +third +1 +2 +3 +drop table t1; +create table t1 (a int) engine=MyISAM; +create table t2 like t1; +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `a` int(11) DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +drop table t1,t2; +flush status; +show status like "binlog_cache_use"; +Variable_name Value +Binlog_cache_use 0 +show status like "binlog_cache_disk_use"; +Variable_name Value +Binlog_cache_disk_use 0 +create table t1 (a int) engine=MyISAM; +show status like "binlog_cache_use"; +Variable_name Value +Binlog_cache_use 0 +show status like "binlog_cache_disk_use"; +Variable_name Value +Binlog_cache_disk_use 0 +begin; +delete from t1; +commit; +show status like "binlog_cache_use"; +Variable_name Value +Binlog_cache_use 0 +show status like "binlog_cache_disk_use"; +Variable_name Value +Binlog_cache_disk_use 0 +drop table t1; +create table t1 (c char(10), index (c,c)) engine=MyISAM; +ERROR 42S21: Duplicate column name 'c' +create table t1 (c1 char(10), c2 char(10), index (c1,c2,c1)) engine=MyISAM; +ERROR 42S21: Duplicate column name 'c1' +create table t1 (c1 char(10), c2 char(10), index (c1,c1,c2)) engine=MyISAM; +ERROR 42S21: Duplicate column name 'c1' +create table t1 (c1 char(10), c2 char(10), index (c2,c1,c1)) engine=MyISAM; +ERROR 42S21: Duplicate column name 'c1' +create table t1 (c1 char(10), c2 char(10)) engine=MyISAM; +alter table t1 add key (c1,c1); +ERROR 42S21: Duplicate column name 'c1' +alter table t1 add key (c2,c1,c1); +ERROR 42S21: Duplicate column name 'c1' +alter table t1 add key (c1,c2,c1); +ERROR 42S21: Duplicate column name 'c1' +alter table t1 add key (c1,c1,c2); +ERROR 42S21: Duplicate column name 'c1' +drop table t1; +create table t1(a int(1) , b int(1)) engine=MyISAM; +insert into t1 values ('1111', '3333'); +select distinct concat(a, b) from t1; +concat(a, b) +11113333 +drop table t1; +create temporary table t1 (a int) engine=MyISAM; +insert into t1 values (4711); +truncate t1; +insert into t1 values (42); +select * from t1; +a +42 +drop table t1; +create table t1 (a int) engine=MyISAM; +insert into t1 values (4711); +truncate t1; +insert into t1 values (42); +select * from t1; +a +42 +drop table t1; +create table t1 (a int not null, b int not null, c blob not null, d int not null, e int, primary key (a,b,c(255),d)) engine=MyISAM; +insert into t1 values (2,2,"b",2,2),(1,1,"a",1,1),(3,3,"ab",3,3); +select * from t1 order by a,b,c,d; +a b c d e +1 1 a 1 1 +2 2 b 2 2 +3 3 ab 3 3 +explain select * from t1 order by a,b,c,d; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using filesort +drop table t1; +create table t1 (a char(1), b char(1), key(a, b)) engine=MyISAM; +insert into t1 values ('8', '6'), ('4', '7'); +select min(a) from t1; +min(a) +4 +select min(b) from t1 where a='8'; +min(b) +6 +drop table t1; +create table t1 (x bigint unsigned not null primary key) engine=MyISAM; +insert into t1(x) values (0xfffffffffffffff0),(0xfffffffffffffff1); +select * from t1; +x +18446744073709551600 +18446744073709551601 +select count(*) from t1 where x>0; +count(*) +2 +select count(*) from t1 where x=0; +count(*) +0 +select count(*) from t1 where x<0; +count(*) +0 +select count(*) from t1 where x < -16; +count(*) +0 +select count(*) from t1 where x = -16; +count(*) +0 +explain select count(*) from t1 where x > -16; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index PRIMARY PRIMARY 8 NULL 2 Using where; Using index +select count(*) from t1 where x > -16; +count(*) +2 +select * from t1 where x > -16; +x +18446744073709551600 +18446744073709551601 +select count(*) from t1 where x = 18446744073709551601; +count(*) +1 +drop table t1; +set storage_engine=MyISAM; +drop table if exists t1,t2,t3; +--- Testing varchar --- +--- Testing varchar --- +create table t1 (v varchar(10), c char(10), t text); +insert into t1 values('+ ', '+ ', '+ '); +set @a=repeat(' ',20); +insert into t1 values (concat('+',@a),concat('+',@a),concat('+',@a)); +Warnings: +Note 1265 Data truncated for column 'v' at row 1 +select concat('*',v,'*',c,'*',t,'*') from t1; +concat('*',v,'*',c,'*',t,'*') +*+ *+*+ * +*+ *+*+ * +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +create table t2 like t1; +show create table t2; +Table Create Table +t2 CREATE TABLE `t2` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +create table t3 select * from t1; +show create table t3; +Table Create Table +t3 CREATE TABLE `t3` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +alter table t1 modify c varchar(10); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(10) DEFAULT NULL, + `c` varchar(10) DEFAULT NULL, + `t` text +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +alter table t1 modify v char(10); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` char(10) DEFAULT NULL, + `c` varchar(10) DEFAULT NULL, + `t` text +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +alter table t1 modify t varchar(10); +Warnings: +Note 1265 Data truncated for column 't' at row 2 +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` char(10) DEFAULT NULL, + `c` varchar(10) DEFAULT NULL, + `t` varchar(10) DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +select concat('*',v,'*',c,'*',t,'*') from t1; +concat('*',v,'*',c,'*',t,'*') +*+*+*+ * +*+*+*+ * +drop table t1,t2,t3; +create table t1 (v varchar(10), c char(10), t text, key(v), key(c), key(t(10))); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text, + KEY `v` (`v`), + KEY `c` (`c`), + KEY `t` (`t`(10)) +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +select count(*) from t1; +count(*) +270 +insert into t1 values(concat('a',char(1)),concat('a',char(1)),concat('a',char(1))); +select count(*) from t1 where v='a'; +count(*) +10 +select count(*) from t1 where c='a'; +count(*) +10 +select count(*) from t1 where t='a'; +count(*) +10 +select count(*) from t1 where v='a '; +count(*) +10 +select count(*) from t1 where c='a '; +count(*) +10 +select count(*) from t1 where t='a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +count(*) +10 +select count(*) from t1 where v like 'a%'; +count(*) +11 +select count(*) from t1 where c like 'a%'; +count(*) +11 +select count(*) from t1 where t like 'a%'; +count(*) +11 +select count(*) from t1 where v like 'a %'; +count(*) +9 +explain select count(*) from t1 where v='a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 13 const # Using where; Using index +explain select count(*) from t1 where c='a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref c c 11 const # Using where; Using index +explain select count(*) from t1 where t='a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range t t 13 NULL # Using where +explain select count(*) from t1 where v like 'a%'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range v v 13 NULL # Using where; Using index +explain select count(*) from t1 where v between 'a' and 'a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 13 const # Using where; Using index +explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 13 const # Using where; Using index +alter table t1 add unique(v); +ERROR 23000: Duplicate entry '{ ' for key 'v_2' +alter table t1 add key(v); +select concat('*',v,'*',c,'*',t,'*') as qq from t1 where v='a'; +qq +*a*a*a* +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +*a *a*a * +explain select * from t1 where v='a'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v,v_2 # 13 const # Using where +select v,count(*) from t1 group by v limit 10; +v count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select v,count(c) from t1 group by v limit 10; +v count(c) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result v,count(c) from t1 group by v limit 10; +v count(c) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select c,count(*) from t1 group by c limit 10; +c count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select c,count(t) from t1 group by c limit 10; +c count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result c,count(t) from t1 group by c limit 10; +c count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select t,count(*) from t1 group by t limit 10; +t count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select t,count(t) from t1 group by t limit 10; +t count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result t,count(t) from t1 group by t limit 10; +t count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +alter table t1 modify v varchar(300), drop key v, drop key v_2, add key v (v); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(300) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text, + KEY `c` (`c`), + KEY `t` (`t`(10)), + KEY `v` (`v`) +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +select count(*) from t1 where v='a'; +count(*) +10 +select count(*) from t1 where v='a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +count(*) +10 +select count(*) from t1 where v like 'a%'; +count(*) +11 +select count(*) from t1 where v like 'a %'; +count(*) +9 +explain select count(*) from t1 where v='a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 303 const # Using where; Using index +explain select count(*) from t1 where v like 'a%'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range v v 303 NULL # Using where; Using index +explain select count(*) from t1 where v between 'a' and 'a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 303 const # Using where; Using index +explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 303 const # Using where; Using index +explain select * from t1 where v='a'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 303 const # Using where +select v,count(*) from t1 group by v limit 10; +v count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +alter table t1 drop key v, add key v (v(30)); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(300) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text, + KEY `c` (`c`), + KEY `t` (`t`(10)), + KEY `v` (`v`(30)) +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +select count(*) from t1 where v='a'; +count(*) +10 +select count(*) from t1 where v='a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a '; +count(*) +10 +select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +count(*) +10 +select count(*) from t1 where v like 'a%'; +count(*) +11 +select count(*) from t1 where v like 'a %'; +count(*) +9 +explain select count(*) from t1 where v='a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 33 const # Using where +explain select count(*) from t1 where v like 'a%'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range v v 33 NULL # Using where +explain select count(*) from t1 where v between 'a' and 'a '; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 33 const # Using where +explain select count(*) from t1 where v between 'a' and 'a ' and v between 'a ' and 'b\n'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 33 const # Using where +explain select * from t1 where v='a'; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref v v 33 const # Using where +select v,count(*) from t1 group by v limit 10; +v count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +alter table t1 modify v varchar(600), drop key v, add key v (v); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(600) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text, + KEY `c` (`c`), + KEY `t` (`t`(10)), + KEY `v` (`v`) +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +select v,count(*) from t1 group by v limit 10; +v count(*) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +select sql_big_result v,count(t) from t1 group by v limit 10; +v count(t) +a 1 +a 10 +b 10 +c 10 +d 10 +e 10 +f 10 +g 10 +h 10 +i 10 +drop table t1; +create table t1 (a char(10), unique (a)); +insert into t1 values ('a '); +insert into t1 values ('a '); +ERROR 23000: Duplicate entry 'a' for key 'a' +alter table t1 modify a varchar(10); +insert into t1 values ('a '),('a '),('a '),('a '); +ERROR 23000: Duplicate entry 'a ' for key 'a' +insert into t1 values ('a '); +ERROR 23000: Duplicate entry 'a ' for key 'a' +insert into t1 values ('a '); +ERROR 23000: Duplicate entry 'a ' for key 'a' +insert into t1 values ('a '); +ERROR 23000: Duplicate entry 'a ' for key 'a' +update t1 set a='a ' where a like 'a%'; +select concat(a,'.') from t1; +concat(a,'.') +a . +update t1 set a='abc ' where a like 'a '; +select concat(a,'.') from t1; +concat(a,'.') +a . +update t1 set a='a ' where a like 'a %'; +select concat(a,'.') from t1; +concat(a,'.') +a . +update t1 set a='a ' where a like 'a '; +select concat(a,'.') from t1; +concat(a,'.') +a . +drop table t1; +create table t1 (v varchar(10), c char(10), t text, key(v(5)), key(c(5)), key(t(5))); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL, + `t` text, + KEY `v` (`v`(5)), + KEY `c` (`c`(5)), + KEY `t` (`t`(5)) +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +drop table t1; +create table t1 (v char(10) character set utf8); +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` char(10) CHARACTER SET utf8 DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +drop table t1; +create table t1 (v varchar(10), c char(10)) row_format=fixed; +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` varchar(10) DEFAULT NULL, + `c` char(10) DEFAULT NULL +) ENGINE=MyISAM DEFAULT CHARSET=latin1 ROW_FORMAT=FIXED +insert into t1 values('a','a'),('a ','a '); +select concat('*',v,'*',c,'*') from t1; +concat('*',v,'*',c,'*') +*a*a* +*a *a* +drop table t1; +create table t1 (v varchar(65530), key(v(10))); +insert into t1 values(repeat('a',65530)); +select length(v) from t1 where v=repeat('a',65530); +length(v) +65530 +drop table t1; +create table t1(a int, b varchar(12), key ba(b, a)); +insert into t1 values (1, 'A'), (20, NULL); +explain select * from t1 where a=20 and b is null; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref ba ba 20 const,const 1 Using where; Using index +select * from t1 where a=20 and b is null; +a b +20 NULL +drop table t1; +create table t1 (v varchar(65530), key(v)); +Warnings: +Warning 1071 Specified key was too long; max key length is 1000 bytes +drop table t1; +create table t1 (v varchar(65536)); +Warnings: +Note 1246 Converting column 'v' from VARCHAR to TEXT +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` mediumtext +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +drop table t1; +create table t1 (v varchar(65530) character set utf8); +Warnings: +Note 1246 Converting column 'v' from VARCHAR to TEXT +show create table t1; +Table Create Table +t1 CREATE TABLE `t1` ( + `v` mediumtext CHARACTER SET utf8 +) ENGINE=MyISAM DEFAULT CHARSET=latin1 +drop table t1; +set storage_engine=MEMORY; +create table t1 (v varchar(16384)) engine=MyISAM; +drop table t1; +create table t1 (a char(1), b char(1), key(a, b)) engine=MyISAM; +insert into t1 values ('8', '6'), ('4', '7'); +select min(a) from t1; +min(a) +4 +select min(b) from t1 where a='8'; +min(b) +6 +drop table t1; +CREATE TABLE t1 ( `a` int(11) NOT NULL auto_increment, `b` int(11) default NULL,PRIMARY KEY (`a`),UNIQUE KEY `b` (`b`)) ENGINE=MyISAM; +insert into t1 (b) values (1); +replace into t1 (b) values (2), (1), (3); +select * from t1; +a b +3 1 +2 2 +4 3 +truncate table t1; +insert into t1 (b) values (1); +replace into t1 (b) values (2); +replace into t1 (b) values (1); +replace into t1 (b) values (3); +select * from t1; +a b +3 1 +2 2 +4 3 +drop table t1; +create table t1 (rowid int not null auto_increment, val int not null,primary +key (rowid), unique(val)) engine=MyISAM; +replace into t1 (val) values ('1'),('2'); +replace into t1 (val) values ('1'),('2'); +insert into t1 (val) values ('1'),('2'); +ERROR 23000: Duplicate entry '1' for key 'val' +select * from t1; +rowid val +3 1 +4 2 +drop table t1; +CREATE TABLE t1 (GRADE DECIMAL(4) NOT NULL, PRIMARY KEY (GRADE)) ENGINE=MyISAM; +INSERT INTO t1 (GRADE) VALUES (151),(252),(343); +SELECT GRADE FROM t1 WHERE GRADE > 160 AND GRADE < 300; +GRADE +252 +SELECT GRADE FROM t1 WHERE GRADE= 151; +GRADE +151 +DROP TABLE t1; +create table t1 (f1 varchar(10), f2 varchar(10), primary key (f1,f2)) engine=MyISAM; +create table t2 (f3 varchar(10), f4 varchar(10), key (f4)) engine=MyISAM; +insert into t2 values ('aa','cc'); +insert into t1 values ('aa','bb'),('aa','cc'); +delete t1 from t1,t2 where f1=f3 and f4='cc'; +select * from t1; +f1 f2 +drop table t1,t2; +create table t1 ( +a int, b char(10), c char(10), filler char(10), primary key(a, b(2)), unique key (a, c(2)) +) character set utf8 engine = MyISAM; +create table t2 ( +a int, b char(10), c char(10), filler char(10), primary key(a, b(2)), unique key (a, c(2)) +) character set ucs2 engine = MyISAM; +insert into t1 values (1,'abcdefg','abcdefg','one'); +insert into t1 values (2,'ijkilmn','ijkilmn','two'); +insert into t1 values (3,'qrstuvw','qrstuvw','three'); +insert into t1 values (4,_utf8 0xe880bd,_utf8 0xe880bd,'four'); +insert into t1 values (4,_utf8 0x5b,_utf8 0x5b,'five'); +insert into t1 values (4,_utf8 0xe880bde880bd,_utf8 0xe880bde880bd,'six'); +insert into t1 values (4,_utf8 0xe880bdD0B1e880bd,_utf8 0xe880bdD0B1e880bd,'seven'); +insert into t1 values (4,_utf8 0xD0B1,_utf8 0xD0B1,'eight'); +insert into t2 values (1,'abcdefg','abcdefg','one'); +insert into t2 values (2,'ijkilmn','ijkilmn','two'); +insert into t2 values (3,'qrstuvw','qrstuvw','three'); +insert into t2 values (4,_ucs2 0x00e400,_ucs2 0x00e400,'four'); +insert into t2 values (4,_ucs2 0x00640065,_ucs2 0x00640065,'five'); +insert into t2 values (4,_ucs2 0x00e400e50068,_ucs2 0x00e400e50068,'six'); +insert into t2 values (4,_ucs2 0x01fc,_ucs2 0x01fc,'seven'); +insert into t2 values (4,_ucs2 0x0120,_ucs2 0x0120,'eight'); +insert into t2 values (4,_ucs2 0x0563,_ucs2 0x0563,'ten'); +insert into t2 values (4,_ucs2 0x05630563,_ucs2 0x05630563,'eleven'); +insert into t2 values (4,_ucs2 0x0563001fc0563,_ucs2 0x0563001fc0563,'point'); +insert into t2 values (4,_ucs2 0x05612020,_ucs2 0x05612020,'taken'); +update t1 set filler = 'boo' where a = 1; +update t2 set filler ='email' where a = 4; +select a,hex(b),hex(c),filler from t1 order by filler; +a hex(b) hex(c) filler +1 61626364656667 61626364656667 boo +4 D0B1 D0B1 eight +4 5B 5B five +4 E880BD E880BD four +4 E880BDD0B1E880BD E880BDD0B1E880BD seven +4 E880BDE880BD E880BDE880BD six +3 71727374757677 71727374757677 three +2 696A6B696C6D6E 696A6B696C6D6E two +select a,hex(b),hex(c),filler from t2 order by filler; +a hex(b) hex(c) filler +4 05612020 05612020 email +4 0000563001FC0563 0000563001FC0563 email +4 05630563 05630563 email +4 0563 0563 email +4 0120 0120 email +4 01FC 01FC email +4 00E400E50068 00E400E50068 email +4 00640065 00640065 email +4 0000E400 0000E400 email +1 0061006200630064006500660067 0061006200630064006500660067 one +3 0071007200730074007500760077 0071007200730074007500760077 three +2 0069006A006B0069006C006D006E 0069006A006B0069006C006D006E two +drop table t1; +drop table t2; +create table t1 ( +a int, b varchar(10), c varchar(10), filler varchar(10), primary key(a, b(2)), unique key (a, c(2)) +) character set utf8 engine = MyISAM; +create table t2 ( +a int, b varchar(10), c varchar(10), filler varchar(10), primary key(a, b(2)), unique key (a, c(2)) +) character set ucs2 engine = MyISAM; +insert into t1 values (1,'abcdefg','abcdefg','one'); +insert into t1 values (2,'ijkilmn','ijkilmn','two'); +insert into t1 values (3,'qrstuvw','qrstuvw','three'); +insert into t1 values (4,_utf8 0xe880bd,_utf8 0xe880bd,'four'); +insert into t1 values (4,_utf8 0x5b,_utf8 0x5b,'five'); +insert into t1 values (4,_utf8 0xe880bde880bd,_utf8 0xe880bde880bd,'six'); +insert into t1 values (4,_utf8 0xe880bdD0B1e880bd,_utf8 0xe880bdD0B1e880bd,'seven'); +insert into t1 values (4,_utf8 0xD0B1,_utf8 0xD0B1,'eight'); +insert into t2 values (1,'abcdefg','abcdefg','one'); +insert into t2 values (2,'ijkilmn','ijkilmn','two'); +insert into t2 values (3,'qrstuvw','qrstuvw','three'); +insert into t2 values (4,_ucs2 0x00e400,_ucs2 0x00e400,'four'); +insert into t2 values (4,_ucs2 0x00640065,_ucs2 0x00640065,'five'); +insert into t2 values (4,_ucs2 0x00e400e50068,_ucs2 0x00e400e50068,'six'); +insert into t2 values (4,_ucs2 0x01fc,_ucs2 0x01fc,'seven'); +insert into t2 values (4,_ucs2 0x0120,_ucs2 0x0120,'eight'); +insert into t2 values (4,_ucs2 0x0563,_ucs2 0x0563,'ten'); +insert into t2 values (4,_ucs2 0x05630563,_ucs2 0x05630563,'eleven'); +insert into t2 values (4,_ucs2 0x0563001fc0563,_ucs2 0x0563001fc0563,'point'); +insert into t2 values (4,_ucs2 0x05612020,_ucs2 0x05612020,'taken'); +update t1 set filler = 'boo' where a = 1; +update t2 set filler ='email' where a = 4; +select a,hex(b),hex(c),filler from t1 order by filler; +a hex(b) hex(c) filler +1 61626364656667 61626364656667 boo +4 D0B1 D0B1 eight +4 5B 5B five +4 E880BD E880BD four +4 E880BDD0B1E880BD E880BDD0B1E880BD seven +4 E880BDE880BD E880BDE880BD six +3 71727374757677 71727374757677 three +2 696A6B696C6D6E 696A6B696C6D6E two +select a,hex(b),hex(c),filler from t2 order by filler; +a hex(b) hex(c) filler +4 05612020 05612020 email +4 0000563001FC0563 0000563001FC0563 email +4 05630563 05630563 email +4 0563 0563 email +4 0120 0120 email +4 01FC 01FC email +4 00E400E50068 00E400E50068 email +4 00640065 00640065 email +4 0000E400 0000E400 email +1 0061006200630064006500660067 0061006200630064006500660067 one +3 0071007200730074007500760077 0071007200730074007500760077 three +2 0069006A006B0069006C006D006E 0069006A006B0069006C006D006E two +drop table t1; +drop table t2; +create table t1 ( +a int, b text(10), c text(10), filler text(10), primary key(a, b(2)), unique key (a, c(2)) +) character set utf8 engine = MyISAM; +create table t2 ( +a int, b text(10), c text(10), filler text(10), primary key(a, b(2)), unique key (a, c(2)) +) character set ucs2 engine = MyISAM; +insert into t1 values (1,'abcdefg','abcdefg','one'); +insert into t1 values (2,'ijkilmn','ijkilmn','two'); +insert into t1 values (3,'qrstuvw','qrstuvw','three'); +insert into t1 values (4,_utf8 0xe880bd,_utf8 0xe880bd,'four'); +insert into t1 values (4,_utf8 0x5b,_utf8 0x5b,'five'); +insert into t1 values (4,_utf8 0xe880bde880bd,_utf8 0xe880bde880bd,'six'); +insert into t1 values (4,_utf8 0xe880bdD0B1e880bd,_utf8 0xe880bdD0B1e880bd,'seven'); +insert into t1 values (4,_utf8 0xD0B1,_utf8 0xD0B1,'eight'); +insert into t2 values (1,'abcdefg','abcdefg','one'); +insert into t2 values (2,'ijkilmn','ijkilmn','two'); +insert into t2 values (3,'qrstuvw','qrstuvw','three'); +insert into t2 values (4,_ucs2 0x00e400,_ucs2 0x00e400,'four'); +insert into t2 values (4,_ucs2 0x00640065,_ucs2 0x00640065,'five'); +insert into t2 values (4,_ucs2 0x00e400e50068,_ucs2 0x00e400e50068,'six'); +insert into t2 values (4,_ucs2 0x01fc,_ucs2 0x01fc,'seven'); +insert into t2 values (4,_ucs2 0x0120,_ucs2 0x0120,'eight'); +insert into t2 values (4,_ucs2 0x0563,_ucs2 0x0563,'ten'); +insert into t2 values (4,_ucs2 0x05630563,_ucs2 0x05630563,'eleven'); +insert into t2 values (4,_ucs2 0x0563001fc0563,_ucs2 0x0563001fc0563,'point'); +insert into t2 values (4,_ucs2 0x05612020,_ucs2 0x05612020,'taken'); +update t1 set filler = 'boo' where a = 1; +update t2 set filler ='email' where a = 4; +select a,hex(b),hex(c),filler from t1 order by filler; +a hex(b) hex(c) filler +1 61626364656667 61626364656667 boo +4 D0B1 D0B1 eight +4 5B 5B five +4 E880BD E880BD four +4 E880BDD0B1E880BD E880BDD0B1E880BD seven +4 E880BDE880BD E880BDE880BD six +3 71727374757677 71727374757677 three +2 696A6B696C6D6E 696A6B696C6D6E two +select a,hex(b),hex(c),filler from t2 order by filler; +a hex(b) hex(c) filler +4 0000E400 0000E400 email +4 00640065 00640065 email +4 00E400E50068 00E400E50068 email +4 01FC 01FC email +4 0120 0120 email +4 0563 0563 email +4 05630563 05630563 email +4 0000563001FC0563 0000563001FC0563 email +4 05612020 05612020 email +1 0061006200630064006500660067 0061006200630064006500660067 one +3 0071007200730074007500760077 0071007200730074007500760077 three +2 0069006A006B0069006C006D006E 0069006A006B0069006C006D006E two +drop table t1; +drop table t2; +create table t1 ( +a int, b blob(10), c blob(10), filler blob(10), primary key(a, b(2)), unique key (a, c(2)) +) character set utf8 engine = MyISAM; +create table t2 ( +a int, b blob(10), c blob(10), filler blob(10), primary key(a, b(2)), unique key (a, c(2)) +) character set ucs2 engine = MyISAM; +insert into t1 values (1,'abcdefg','abcdefg','one'); +insert into t1 values (2,'ijkilmn','ijkilmn','two'); +insert into t1 values (3,'qrstuvw','qrstuvw','three'); +insert into t1 values (4,_utf8 0xe880bd,_utf8 0xe880bd,'four'); +insert into t1 values (4,_utf8 0x5b,_utf8 0x5b,'five'); +insert into t1 values (4,_utf8 0xD0B1,_utf8 0xD0B1,'eight'); +insert into t2 values (1,'abcdefg','abcdefg','one'); +insert into t2 values (2,'ijkilmn','ijkilmn','two'); +insert into t2 values (3,'qrstuvw','qrstuvw','three'); +insert into t2 values (4,_ucs2 0x00e400,_ucs2 0x00e400,'four'); +insert into t2 values (4,_ucs2 0x00640065,_ucs2 0x00640065,'five'); +insert into t2 values (4,_ucs2 0x00e400e50068,_ucs2 0x00e400e50068,'six'); +insert into t2 values (4,_ucs2 0x01fc,_ucs2 0x01fc,'seven'); +insert into t2 values (4,_ucs2 0x0120,_ucs2 0x0120,'eight'); +insert into t2 values (4,_ucs2 0x0563,_ucs2 0x0563,'ten'); +insert into t2 values (4,_ucs2 0x05612020,_ucs2 0x05612020,'taken'); +update t1 set filler = 'boo' where a = 1; +update t2 set filler ='email' where a = 4; +select a,hex(b),hex(c),filler from t1 order by filler; +a hex(b) hex(c) filler +1 61626364656667 61626364656667 boo +4 D0B1 D0B1 eight +4 5B 5B five +4 E880BD E880BD four +3 71727374757677 71727374757677 three +2 696A6B696C6D6E 696A6B696C6D6E two +select a,hex(b),hex(c),filler from t2 order by filler; +a hex(b) hex(c) filler +4 0000E400 0000E400 email +4 00640065 00640065 email +4 00E400E50068 00E400E50068 email +4 01FC 01FC email +4 0120 0120 email +4 0563 0563 email +4 05612020 05612020 email +1 61626364656667 61626364656667 one +3 71727374757677 71727374757677 three +2 696A6B696C6D6E 696A6B696C6D6E two +drop table t1; +drop table t2; +commit; +CREATE TABLE t1 ( +ind enum('0','1','2') NOT NULL default '0', +string1 varchar(250) NOT NULL, +PRIMARY KEY (ind) +) ENGINE=MyISAM DEFAULT CHARSET=utf8; +CREATE TABLE t2 ( +ind enum('0','1','2') NOT NULL default '0', +string1 varchar(250) NOT NULL, +PRIMARY KEY (ind) +) ENGINE=MyISAM DEFAULT CHARSET=ucs2; +INSERT INTO t1 VALUES ('1', ''),('2', ''); +INSERT INTO t2 VALUES ('1', ''),('2', ''); +SELECT hex(ind),hex(string1) FROM t1 ORDER BY string1; +hex(ind) hex(string1) +31 +32 +SELECT hex(ind),hex(string1) FROM t2 ORDER BY string1; +hex(ind) hex(string1) +0031 +0032 +drop table t1,t2; +CREATE TABLE t1 ( +ind set('0','1','2') NOT NULL default '0', +string1 varchar(250) NOT NULL, +PRIMARY KEY (ind) +) ENGINE=MyISAM DEFAULT CHARSET=utf8; +CREATE TABLE t2 ( +ind set('0','1','2') NOT NULL default '0', +string1 varchar(250) NOT NULL, +PRIMARY KEY (ind) +) ENGINE=MyISAM DEFAULT CHARSET=ucs2; +INSERT INTO t1 VALUES ('1', ''),('2', ''); +INSERT INTO t2 VALUES ('1', ''),('2', ''); +SELECT hex(ind),hex(string1) FROM t1 ORDER BY string1; +hex(ind) hex(string1) +31 +32 +SELECT hex(ind),hex(string1) FROM t2 ORDER BY string1; +hex(ind) hex(string1) +0031 +0032 +drop table t1,t2; +CREATE TABLE t1 ( +ind bit not null, +string1 varchar(250) NOT NULL, +PRIMARY KEY (ind) +) ENGINE=MyISAM DEFAULT CHARSET=utf8; +CREATE TABLE t2 ( +ind bit not null, +string1 varchar(250) NOT NULL, +PRIMARY KEY (ind) +) ENGINE=MyISAM DEFAULT CHARSET=ucs2; +insert into t1 values(0,''),(1,''); +insert into t2 values(0,''),(1,''); +select hex(ind),hex(string1) from t1 order by string1; +hex(ind) hex(string1) +0 +1 +select hex(ind),hex(string1) from t2 order by string1; +hex(ind) hex(string1) +0 +1 +drop table t1,t2; +create table t2 ( +a int, b char(10), filler char(10), primary key(a, b(2)) +) character set utf8 engine = MyISAM; +insert into t2 values (1,'abcdefg','one'); +insert into t2 values (2,'ijkilmn','two'); +insert into t2 values (3, 'qrstuvw','three'); +update t2 set a=5, filler='booo' where a=1; +drop table t2; +create table t2 ( +a int, b char(10), filler char(10), primary key(a, b(2)) +) character set ucs2 engine = MyISAM; +insert into t2 values (1,'abcdefg','one'); +insert into t2 values (2,'ijkilmn','two'); +insert into t2 values (3, 'qrstuvw','three'); +update t2 set a=5, filler='booo' where a=1; +drop table t2; +create table t1(a int not null, b char(110),primary key(a,b(100))) engine=MyISAM default charset=utf8; +insert into t1 values(1,'abcdefg'),(2,'defghijk'); +insert into t1 values(6,_utf8 0xD0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1); +insert into t1 values(7,_utf8 0xD0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B2); +select a,hex(b) from t1 order by b; +a hex(b) +1 61626364656667 +2 6465666768696A6B +6 D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1 +7 D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B2 +update t1 set b = 'three' where a = 6; +drop table t1; +create table t1(a int not null, b text(110),primary key(a,b(100))) engine=MyISAM default charset=utf8; +insert into t1 values(1,'abcdefg'),(2,'defghijk'); +insert into t1 values(6,_utf8 0xD0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1); +insert into t1 values(7,_utf8 0xD0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B2); +select a,hex(b) from t1 order by b; +a hex(b) +1 61626364656667 +2 6465666768696A6B +6 D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1 +7 D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B1D0B2 +update t1 set b = 'three' where a = 6; +drop table t1; +create table t1(a int not null, b int, c int, d int, primary key(a)) engine=MyISAM; +insert into t1(a) values (1),(2),(3); +commit; +set autocommit = 0; +update t1 set b = 5 where a = 2; +create trigger t1t before insert on t1 for each row begin set NEW.b = NEW.a * 10 + 5, NEW.c = NEW.a / 10; end | +set autocommit = 0; +insert into t1(a) values (10),(20),(30),(40),(50),(60),(70),(80),(90),(100), +(11),(21),(31),(41),(51),(61),(71),(81),(91),(101), +(12),(22),(32),(42),(52),(62),(72),(82),(92),(102), +(13),(23),(33),(43),(53),(63),(73),(83),(93),(103), +(14),(24),(34),(44),(54),(64),(74),(84),(94),(104); +commit; +commit; +drop trigger t1t; +drop table t1; +create table t1(a int not null, b int, c int, d int, primary key(a)) engine=MyISAM; +create table t2(a int not null, b int, c int, d int, primary key(a)) engine=MyISAM; +create table t3(a int not null, b int, c int, d int, primary key(a)) engine=MyISAM; +create table t4(a int not null, b int, c int, d int, primary key(a)) engine=MyISAM; +create table t5(a int not null, b int, c int, d int, primary key(a)) engine=MyISAM; +insert into t1(a) values (1),(2),(3); +insert into t2(a) values (1),(2),(3); +insert into t3(a) values (1),(2),(3); +insert into t4(a) values (1),(2),(3); +insert into t3(a) values (5),(7),(8); +insert into t4(a) values (5),(7),(8); +insert into t5(a) values (1),(2),(3),(4),(5),(6),(7),(8),(9),(10),(11),(12); +create trigger t1t before insert on t1 for each row begin +INSERT INTO t2 SET a = NEW.a; +end | +create trigger t2t before insert on t2 for each row begin +DELETE FROM t3 WHERE a = NEW.a; +end | +create trigger t3t before delete on t3 for each row begin +UPDATE t4 SET b = b + 1 WHERE a = OLD.a; +end | +create trigger t4t before update on t4 for each row begin +UPDATE t5 SET b = b + 1 where a = NEW.a; +end | +commit; +set autocommit = 0; +update t1 set b = b + 5 where a = 1; +update t2 set b = b + 5 where a = 1; +update t3 set b = b + 5 where a = 1; +update t4 set b = b + 5 where a = 1; +insert into t5(a) values(20); +set autocommit = 0; +insert into t1(a) values(7); +insert into t2(a) values(8); +delete from t2 where a = 3; +update t4 set b = b + 1 where a = 3; +commit; +drop trigger t1t; +drop trigger t2t; +drop trigger t3t; +drop trigger t4t; +drop table t1, t2, t3, t4, t5; +create table t1(a date) engine=MyISAM; +create table t2(a date, key(a)) engine=MyISAM; +insert into t1 values('2005-10-01'); +insert into t2 values('2005-10-01'); +select * from t1, t2 +where t2.a between t1.a - interval 2 day and t1.a + interval 2 day; +a a +2005-10-01 2005-10-01 +drop table t1, t2; +create table t1 (id int not null, f_id int not null, f int not null, +primary key(f_id, id)) engine=MyISAM; +create table t2 (id int not null,s_id int not null,s varchar(200), +primary key(id)) engine=MyISAM; +INSERT INTO t1 VALUES (8, 1, 3); +INSERT INTO t1 VALUES (1, 2, 1); +INSERT INTO t2 VALUES (1, 0, ''); +INSERT INTO t2 VALUES (8, 1, ''); +commit; +DELETE ml.* FROM t1 AS ml LEFT JOIN t2 AS mm ON (mm.id=ml.id) +WHERE mm.id IS NULL; +select ml.* from t1 as ml left join t2 as mm on (mm.id=ml.id) +where mm.id is null lock in share mode; +id f_id f +drop table t1,t2; +create table t1(a int not null, b int, primary key(a)) engine=MyISAM; +insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3); +commit; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +update t1 set b = 5 where b = 1; +set autocommit = 0; +SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED; +select * from t1 where a = 7 and b = 3 for update; +a b +7 3 +commit; +commit; +drop table t1; +CREATE TABLE t1 ( a int ) ENGINE=MyISAM; +BEGIN; +INSERT INTO t1 VALUES (1); +OPTIMIZE TABLE t1; +Table Op Msg_type Msg_text +test.t1 optimize status OK +DROP TABLE t1; diff --git a/mysql-test/r/innodb-big.result b/mysql-test/r/read_many_rows_innodb.result index 19204b7cc65..19204b7cc65 100644 --- a/mysql-test/r/innodb-big.result +++ b/mysql-test/r/read_many_rows_innodb.result diff --git a/mysql-test/r/rowid_order_innodb.result b/mysql-test/r/rowid_order_innodb.result index f76002e9cb2..66f0e7a86c6 100644 --- a/mysql-test/r/rowid_order_innodb.result +++ b/mysql-test/r/rowid_order_innodb.result @@ -1,3 +1,4 @@ +SET SESSION STORAGE_ENGINE = InnoDB; drop table if exists t1, t2, t3,t4; create table t1 ( pk1 int not NULL, @@ -6,7 +7,7 @@ key2 int(11), PRIMARY KEY (pk1), KEY key1 (key1), KEY key2 (key2) -) engine=innodb; +); insert into t1 values (-5, 1, 1), (-100, 1, 1), (3, 1, 1), @@ -30,7 +31,7 @@ key2 int(11), PRIMARY KEY (pk1), KEY key1 (key1), KEY key2 (key2) -) engine=innodb; +); insert into t1 values (0, 1, 1), (0xFFFFFFFF, 1, 1), (0xFFFFFFFE, 1, 1), @@ -51,7 +52,7 @@ key2 int(11), PRIMARY KEY (pk1), KEY key1 (key1), KEY key2 (key2) -) engine=innodb collate latin2_general_ci; +) collate latin2_general_ci; insert into t1 values ('a1', 1, 1), ('b2', 1, 1), ('A3', 1, 1), @@ -72,7 +73,7 @@ key2 int(11), PRIMARY KEY (pk1,pk2,pk3), KEY key1 (key1), KEY key2 (key2) -) engine=innodb; +); insert into t1 values (1, 'u', 'u', 1, 1), (1, 'u', char(0xEC), 1, 1), @@ -170,7 +171,7 @@ key2 int(11), primary key(pk1, pk2), KEY key1 (key1), KEY key2 (key2) -) engine=innodb; +); insert into t1 values ('','empt',2,2), ('a','a--a',2,2), ('bb','b--b',2,2), diff --git a/mysql-test/r/innodb_unsafe_binlog.result b/mysql-test/r/unsafe_binlog_innodb.result index 38f0c2a12fa..54a24a52d57 100644 --- a/mysql-test/r/innodb_unsafe_binlog.result +++ b/mysql-test/r/unsafe_binlog_innodb.result @@ -1,8 +1,8 @@ drop table if exists t1,t2; create table t1 (id int not null, f_id int not null, f int not null, -primary key(f_id, id)) engine=innodb; +primary key(f_id, id)) engine = InnoDB; create table t2 (id int not null,s_id int not null,s varchar(200), -primary key(id)) engine=innodb; +primary key(id)) engine = InnoDB; INSERT INTO t1 VALUES (8, 1, 3); INSERT INTO t1 VALUES (1, 2, 1); INSERT INTO t2 VALUES (1, 0, ''); @@ -14,7 +14,7 @@ select ml.* from t1 as ml left join t2 as mm on (mm.id=ml.id) where mm.id is null lock in share mode; id f_id f drop table t1,t2; -create table t1(a int not null, b int, primary key(a)) engine=innodb; +create table t1(a int not null, b int, primary key(a)) engine = InnoDB; insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3); commit; set autocommit = 0; @@ -34,7 +34,7 @@ ERROR HY000: Lock wait timeout exceeded; try restarting transaction commit; commit; drop table t1; -create table t1(a int not null, b int, primary key(a)) engine=innodb; +create table t1(a int not null, b int, primary key(a)) engine = InnoDB; insert into t1 values(1,1),(2,2),(3,1),(4,2),(5,1),(6,2),(7,3); commit; set autocommit = 0; @@ -46,9 +46,9 @@ a b commit; commit; drop table t1; -create table t1(a int not null, b int, primary key(a)) engine=innodb; +create table t1(a int not null, b int, primary key(a)) engine = InnoDB; insert into t1 values (1,2),(5,3),(4,2); -create table t2(d int not null, e int, primary key(d)) engine=innodb; +create table t2(d int not null, e int, primary key(d)) engine = InnoDB; insert into t2 values (8,6),(12,1),(3,1); commit; set autocommit = 0; @@ -60,24 +60,27 @@ d e set autocommit = 0; insert into t1 select * from t2; update t1 set b = (select e from t2 where a = d); -create table t3(d int not null, e int, primary key(d)) engine=innodb +create table t3(d int not null, e int, primary key(d)) engine = InnoDB select * from t2; commit; commit; drop table t1, t2, t3; -create table t1(a int not null, b int, primary key(a)) engine=innodb; +SET SESSION STORAGE_ENGINE = InnoDB; +SET SESSION STORAGE_ENGINE = InnoDB; +SET SESSION STORAGE_ENGINE = InnoDB; +create table t1(a int not null, b int, primary key(a)) engine = InnoDB; insert into t1 values (1,2),(5,3),(4,2); -create table t2(a int not null, b int, primary key(a)) engine=innodb; +create table t2(a int not null, b int, primary key(a)) engine = InnoDB; insert into t2 values (8,6),(12,1),(3,1); -create table t3(d int not null, b int, primary key(d)) engine=innodb; +create table t3(d int not null, b int, primary key(d)) engine = InnoDB; insert into t3 values (8,6),(12,1),(3,1); -create table t5(a int not null, b int, primary key(a)) engine=innodb; +create table t5(a int not null, b int, primary key(a)) engine = InnoDB; insert into t5 values (1,2),(5,3),(4,2); -create table t6(d int not null, e int, primary key(d)) engine=innodb; +create table t6(d int not null, e int, primary key(d)) engine = InnoDB; insert into t6 values (8,6),(12,1),(3,1); -create table t8(a int not null, b int, primary key(a)) engine=innodb; +create table t8(a int not null, b int, primary key(a)) engine = InnoDB; insert into t8 values (1,2),(5,3),(4,2); -create table t9(d int not null, e int, primary key(d)) engine=innodb; +create table t9(d int not null, e int, primary key(d)) engine = InnoDB; insert into t9 values (8,6),(12,1),(3,1); commit; set autocommit = 0; @@ -94,19 +97,19 @@ SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; update t3 set b = (select b from t2 where a = d); set autocommit = 0; SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE; -create table t4(a int not null, b int, primary key(a)) engine=innodb select * from t2; +create table t4(a int not null, b int, primary key(a)) select * from t2; set autocommit = 0; insert into t5 (select * from t2 lock in share mode); set autocommit = 0; update t6 set e = (select b from t2 where a = d lock in share mode); set autocommit = 0; -create table t7(a int not null, b int, primary key(a)) engine=innodb select * from t2 lock in share mode; +create table t7(a int not null, b int, primary key(a)) select * from t2 lock in share mode; set autocommit = 0; insert into t8 (select * from t2 for update); set autocommit = 0; update t9 set e = (select b from t2 where a = d for update); set autocommit = 0; -create table t10(a int not null, b int, primary key(a)) engine=innodb select * from t2 for update; +create table t10(a int not null, b int, primary key(a)) select * from t2 for update; ERROR HY000: Lock wait timeout exceeded; try restarting transaction ERROR HY000: Lock wait timeout exceeded; try restarting transaction ERROR HY000: Lock wait timeout exceeded; try restarting transaction |