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-rw-r--r--mysql-test/main/subselect_sj2_jcl6.result1520
1 files changed, 1520 insertions, 0 deletions
diff --git a/mysql-test/main/subselect_sj2_jcl6.result b/mysql-test/main/subselect_sj2_jcl6.result
new file mode 100644
index 00000000..4c087a14
--- /dev/null
+++ b/mysql-test/main/subselect_sj2_jcl6.result
@@ -0,0 +1,1520 @@
+set @save_optimizer_switch_jcl6=@@optimizer_switch;
+set @@optimizer_switch='optimize_join_buffer_size=on';
+set @@optimizer_switch='semijoin_with_cache=on';
+set @@optimizer_switch='outer_join_with_cache=on';
+set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
+set join_cache_level=6;
+show variables like 'join_cache_level';
+Variable_name Value
+join_cache_level 6
+set @optimizer_switch_for_subselect_sj2_test=@@optimizer_switch;
+set @join_cache_level_for_subselect_sj2_test=@@join_cache_level;
+set @innodb_stats_persistent_save= @@innodb_stats_persistent;
+set @innodb_stats_persistent_sample_pages_save=
+@@innodb_stats_persistent_sample_pages;
+set global innodb_stats_persistent= 1;
+set global innodb_stats_persistent_sample_pages=100;
+set @subselect_sj2_tmp= @@optimizer_switch;
+set optimizer_switch='semijoin=on,firstmatch=on,loosescan=on';
+set optimizer_switch='mrr=on,mrr_sort_keys=on,index_condition_pushdown=on';
+SET optimizer_switch=ifnull(@optimizer_switch_for_subselect_sj2_test,'outer_join_with_cache=off');
+SET optimizer_switch=ifnull(@optimizer_switch_for_subselect_sj2_test,'semijoin_with_cache=off');
+set join_cache_level=@join_cache_level_for_subselect_sj2_test;
+drop table if exists t0, t1, t2, t3, t4, t5;
+drop view if exists v1;
+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
+);
+insert into t1 values (1,1),(1,1),(2,2);
+create table t2 (
+a int,
+b int,
+key(b)
+);
+insert into t2 select a, a/2 from t0;
+insert into t2 select a+10, a+10/2 from t0;
+select * from t1;
+a b
+1 1
+1 1
+2 2
+select * from t2;
+a b
+0 0
+1 1
+2 1
+3 2
+4 2
+5 3
+6 3
+7 4
+8 4
+9 5
+10 5
+11 6
+12 7
+13 8
+14 9
+15 10
+16 11
+17 12
+18 13
+19 14
+explain select * from t2 where b in (select a from t1);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 ALL b NULL NULL NULL 20
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+2 MATERIALIZED t1 ALL NULL NULL NULL NULL 3
+select * from t2 where b in (select a from t1);
+a b
+1 1
+2 1
+3 2
+4 2
+create table t3 (
+a int,
+b int,
+key(b),
+pk1 char(200), pk2 char(200), pk3 char(200),
+primary key(pk1, pk2, pk3)
+) engine=innodb;
+insert into t3 select a,a, a,a,a from t0;
+insert into t3 select a,a, a+100,a+100,a+100 from t0;
+analyze table t1,t2,t3;
+Table Op Msg_type Msg_text
+test.t1 analyze status Engine-independent statistics collected
+test.t1 analyze status OK
+test.t2 analyze status Engine-independent statistics collected
+test.t2 analyze status OK
+test.t3 analyze status Engine-independent statistics collected
+test.t3 analyze status OK
+explain select * from t3 where b in (select a from t1);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t3 ALL b NULL NULL NULL 20
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+2 MATERIALIZED t1 ALL NULL NULL NULL NULL 3
+select * from t3 where b in (select a from t1);
+a b pk1 pk2 pk3
+1 1 1 1 1
+1 1 101 101 101
+2 2 102 102 102
+2 2 2 2 2
+set @save_max_heap_table_size= @@max_heap_table_size;
+set max_heap_table_size=16384;
+set @save_join_buffer_size = @@join_buffer_size;
+set join_buffer_size= 8192;
+drop table t3;
+create table t3 (
+a int,
+b int,
+key(b),
+pk1 char(200), pk2 char(200),
+primary key(pk1, pk2)
+) engine=innodb;
+insert into t3 select
+A.a + 10*B.a, A.a + 10*B.a, A.a + 10*B.a, A.a + 10*B.a
+from t0 A, t0 B where B.a <5;
+explain select * from t3 where b in (select a from t0);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t3 ALL b NULL NULL NULL #
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func #
+2 MATERIALIZED t0 ALL NULL NULL NULL NULL #
+select * from t3 where b in (select A.a+B.a from t0 A, t0 B where B.a<5);
+a b pk1 pk2
+0 0 0 0
+1 1 1 1
+10 10 10 10
+11 11 11 11
+12 12 12 12
+13 13 13 13
+2 2 2 2
+3 3 3 3
+4 4 4 4
+5 5 5 5
+6 6 6 6
+7 7 7 7
+8 8 8 8
+9 9 9 9
+set join_buffer_size= @save_join_buffer_size;
+set max_heap_table_size= @save_max_heap_table_size;
+explain select * from t1 where a in (select b from t2);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 3
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+2 MATERIALIZED t2 index b b 5 NULL 20 Using index
+select * from t1;
+a b
+1 1
+1 1
+2 2
+select * from t1 where a in (select b from t2);
+a b
+1 1
+1 1
+2 2
+drop table t1, t2, t3;
+set @save_join_buffer_size = @@join_buffer_size;
+set join_buffer_size= 8192;
+create table t1 (a int, filler1 binary(200), filler2 binary(200));
+insert into t1 select a, 'filler123456', 'filler123456' from t0;
+insert into t1 select a+10, 'filler123456', 'filler123456' from t0;
+create table t2 as select * from t1;
+insert into t1 select a+20, 'filler123456', 'filler123456' from t0;
+insert into t1 values (2, 'duplicate ok', 'duplicate ok');
+insert into t1 values (18, 'duplicate ok', 'duplicate ok');
+insert into t2 values (3, 'duplicate ok', 'duplicate ok');
+insert into t2 values (19, 'duplicate ok', 'duplicate ok');
+explain select
+a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
+from t1 ot where a in (select a from t2 it);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY ot ALL NULL NULL NULL NULL 32
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+2 MATERIALIZED it ALL NULL NULL NULL NULL 22
+select
+a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
+from t1 ot where a in (select a from t2 it);
+a mid(filler1, 1,10) Z
+0 filler1234 1
+1 filler1234 1
+2 filler1234 1
+3 filler1234 1
+4 filler1234 1
+5 filler1234 1
+6 filler1234 1
+7 filler1234 1
+8 filler1234 1
+9 filler1234 1
+10 filler1234 1
+11 filler1234 1
+12 filler1234 1
+13 filler1234 1
+14 filler1234 1
+15 filler1234 1
+16 filler1234 1
+17 filler1234 1
+18 filler1234 1
+19 filler1234 1
+2 duplicate 1
+18 duplicate 1
+explain select
+a, mid(filler1, 1,10), length(filler1)=length(filler2)
+from t2 ot where a in (select a from t1 it);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY ot ALL NULL NULL NULL NULL 22
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+2 MATERIALIZED it ALL NULL NULL NULL NULL 32
+select
+a, mid(filler1, 1,10), length(filler1)=length(filler2)
+from t2 ot where a in (select a from t1 it);
+a mid(filler1, 1,10) length(filler1)=length(filler2)
+0 filler1234 1
+1 filler1234 1
+2 filler1234 1
+3 filler1234 1
+4 filler1234 1
+5 filler1234 1
+6 filler1234 1
+7 filler1234 1
+8 filler1234 1
+9 filler1234 1
+10 filler1234 1
+11 filler1234 1
+12 filler1234 1
+13 filler1234 1
+14 filler1234 1
+15 filler1234 1
+16 filler1234 1
+17 filler1234 1
+18 filler1234 1
+19 filler1234 1
+3 duplicate 1
+19 duplicate 1
+insert into t1 select a+20, 'filler123456', 'filler123456' from t0;
+insert into t1 select a+20, 'filler123456', 'filler123456' from t0;
+explain select
+a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
+from t1 ot where a in (select a from t2 it);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY ot ALL NULL NULL NULL NULL 52
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+2 MATERIALIZED it ALL NULL NULL NULL NULL 22
+select
+a, mid(filler1, 1,10), length(filler1)=length(filler2) as Z
+from t1 ot where a in (select a from t2 it);
+a mid(filler1, 1,10) Z
+0 filler1234 1
+1 filler1234 1
+2 filler1234 1
+3 filler1234 1
+4 filler1234 1
+5 filler1234 1
+6 filler1234 1
+7 filler1234 1
+8 filler1234 1
+9 filler1234 1
+10 filler1234 1
+11 filler1234 1
+12 filler1234 1
+13 filler1234 1
+14 filler1234 1
+15 filler1234 1
+16 filler1234 1
+17 filler1234 1
+18 filler1234 1
+19 filler1234 1
+2 duplicate 1
+18 duplicate 1
+explain select
+a, mid(filler1, 1,10), length(filler1)=length(filler2)
+from t2 ot where a in (select a from t1 it);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY ot ALL NULL NULL NULL NULL 22
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+2 MATERIALIZED it ALL NULL NULL NULL NULL 52
+select
+a, mid(filler1, 1,10), length(filler1)=length(filler2)
+from t2 ot where a in (select a from t1 it);
+a mid(filler1, 1,10) length(filler1)=length(filler2)
+0 filler1234 1
+1 filler1234 1
+2 filler1234 1
+3 filler1234 1
+4 filler1234 1
+5 filler1234 1
+6 filler1234 1
+7 filler1234 1
+8 filler1234 1
+9 filler1234 1
+10 filler1234 1
+11 filler1234 1
+12 filler1234 1
+13 filler1234 1
+14 filler1234 1
+15 filler1234 1
+16 filler1234 1
+17 filler1234 1
+18 filler1234 1
+19 filler1234 1
+3 duplicate 1
+19 duplicate 1
+drop table t1, t2;
+create table t1 (a int, b int, key(a));
+create table t2 (a int, b int, key(a));
+create table t3 (a int, b int, key(a));
+insert into t1 select a,a from t0;
+insert into t2 select a,a from t0;
+insert into t3 select a,a from t0;
+t2 and t3 must be use 'ref', not 'ALL':
+explain select *
+from t0 where a in
+(select t2.a+t3.a from t1 left join (t2 join t3) on t2.a=t1.a and t3.a=t1.a);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t0 ALL NULL NULL NULL NULL 10
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 8 func 1 Using where
+2 MATERIALIZED t1 range a a 5 NULL 10 Using where; Using index
+2 MATERIALIZED t2 ref a a 5 test.t1.a 1 Using index
+2 MATERIALIZED t3 ref a a 5 test.t1.a 1 Using index
+drop table t0, t1,t2,t3;
+CREATE TABLE t1 (
+ID int(11) NOT NULL auto_increment,
+Name char(35) NOT NULL default '',
+Country char(3) NOT NULL default '',
+Population int(11) NOT NULL default '0',
+PRIMARY KEY (ID),
+INDEX (Population),
+INDEX (Country)
+);
+CREATE TABLE t2 (
+Code char(3) NOT NULL default '',
+Name char(52) NOT NULL default '',
+SurfaceArea float(10,2) NOT NULL default '0.00',
+Population int(11) NOT NULL default '0',
+Capital int(11) default NULL,
+PRIMARY KEY (Code),
+UNIQUE INDEX (Name),
+INDEX (Population)
+);
+CREATE TABLE t3 (
+Country char(3) NOT NULL default '',
+Language char(30) NOT NULL default '',
+Percentage float(3,1) NOT NULL default '0.0',
+PRIMARY KEY (Country, Language),
+INDEX (Percentage)
+);
+set @bug35674_save_optimizer_switch=@@optimizer_switch;
+set optimizer_switch='materialization=off';
+EXPLAIN
+SELECT Name FROM t2
+WHERE t2.Code IN (SELECT Country FROM t1 WHERE Population > 5000000)
+AND
+t2.Code IN (SELECT Country FROM t3
+WHERE Language='English' AND Percentage > 10 AND
+t2.Population > 100000);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 range Population,Country Population 4 NULL 1 Using index condition; Rowid-ordered scan; Start temporary
+1 PRIMARY t2 eq_ref PRIMARY,Population PRIMARY 3 test.t1.Country 1 Using where; End temporary; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
+1 PRIMARY t3 eq_ref PRIMARY,Percentage PRIMARY 33 test.t1.Country,const 1 Using index condition; Using where; Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
+set optimizer_switch=@bug35674_save_optimizer_switch;
+DROP TABLE t1,t2,t3;
+CREATE TABLE t1 (
+Code char(3) NOT NULL DEFAULT '',
+Name char(52) NOT NULL DEFAULT '',
+Continent enum('Asia','Europe','North America','Africa','Oceania','Antarctica','South America') NOT NULL DEFAULT 'Asia',
+Region char(26) NOT NULL DEFAULT '',
+SurfaceArea float(10,2) NOT NULL DEFAULT '0.00',
+IndepYear smallint(6) DEFAULT NULL,
+Population int(11) NOT NULL DEFAULT '0',
+LifeExpectancy float(3,1) DEFAULT NULL,
+GNP float(10,2) DEFAULT NULL,
+GNPOld float(10,2) DEFAULT NULL,
+LocalName char(45) NOT NULL DEFAULT '',
+GovernmentForm char(45) NOT NULL DEFAULT '',
+HeadOfState char(60) DEFAULT NULL,
+Capital int(11) DEFAULT NULL,
+Code2 char(2) NOT NULL DEFAULT '',
+PRIMARY KEY (Code)
+);
+CREATE TABLE t2 (
+ID int(11) NOT NULL AUTO_INCREMENT,
+Name char(35) NOT NULL DEFAULT '',
+CountryCode char(3) NOT NULL DEFAULT '',
+District char(20) NOT NULL DEFAULT '',
+Population int(11) NOT NULL DEFAULT '0',
+PRIMARY KEY (ID),
+KEY CountryCode (CountryCode)
+);
+Fill the table with test data
+This must not use LooseScan:
+EXPLAIN SELECT Name FROM t1
+WHERE t1.Code IN (
+SELECT t2.CountryCode FROM t2 WHERE Population > 5000000);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 31
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 3 func 1
+2 MATERIALIZED t2 ALL CountryCode NULL NULL NULL 545 Using where
+SELECT Name FROM t1
+WHERE t1.Code IN (
+SELECT t2.CountryCode FROM t2 WHERE Population > 5000000);
+Name
+Austria
+Canada
+China
+Czech Republic
+drop table t1, t2;
+drop procedure if exists p1;
+drop procedure if exists p2;
+drop procedure if exists p3;
+drop procedure if exists p4;
+CREATE TABLE t1(a INT);
+CREATE TABLE t2(c INT);
+CREATE PROCEDURE p1(v1 int)
+BEGIN
+SELECT 1 FROM t1 WHERE a = v1 AND a IN (SELECT c FROM t2);
+END
+//
+CREATE PROCEDURE p2(v1 int)
+BEGIN
+SELECT 1 FROM t1 WHERE a IN (SELECT c FROM t2);
+END
+//
+CREATE PROCEDURE p3(v1 int)
+BEGIN
+SELECT 1
+FROM
+t1 t01,t1 t02,t1 t03,t1 t04,t1 t05,t1 t06,t1 t07,t1 t08,
+t1 t09,t1 t10,t1 t11,t1 t12,t1 t13,t1 t14,t1 t15,t1 t16,
+t1 t17,t1 t18,t1 t19,t1 t20,t1 t21,t1 t22,t1 t23,t1 t24,
+t1 t25,t1 t26,t1 t27,t1 t28,t1 t29,t1 t30,t1 t31,t1 t32,
+t1 t33,t1 t34,t1 t35,t1 t36,t1 t37,t1 t38,t1 t39,t1 t40,
+t1 t41,t1 t42,t1 t43,t1 t44,t1 t45,t1 t46,t1 t47,t1 t48,
+t1 t49,t1 t50,t1 t51,t1 t52,t1 t53,t1 t54,t1 t55,t1 t56,
+t1 t57,t1 t58,t1 t59,t1 t60
+WHERE t01.a IN (SELECT c FROM t2);
+END
+//
+CREATE PROCEDURE p4(v1 int)
+BEGIN
+SELECT 1
+FROM
+t1 t01,t1 t02,t1 t03,t1 t04,t1 t05,t1 t06,t1 t07,t1 t08,
+t1 t09,t1 t10,t1 t11,t1 t12,t1 t13,t1 t14,t1 t15,t1 t16,
+t1 t17,t1 t18,t1 t19,t1 t20,t1 t21,t1 t22,t1 t23,t1 t24,
+t1 t25,t1 t26,t1 t27,t1 t28,t1 t29,t1 t30,t1 t31,t1 t32,
+t1 t33,t1 t34,t1 t35,t1 t36,t1 t37,t1 t38,t1 t39,t1 t40,
+t1 t41,t1 t42,t1 t43,t1 t44,t1 t45,t1 t46,t1 t47,t1 t48,
+t1 t49,t1 t50,t1 t51,t1 t52,t1 t53,t1 t54,t1 t55,t1 t56,
+t1 t57,t1 t58,t1 t59,t1 t60
+WHERE t01.a = v1 AND t01.a IN (SELECT c FROM t2);
+END
+//
+CALL p1(1);
+1
+CALL p2(1);
+1
+CALL p3(1);
+1
+CALL p4(1);
+1
+DROP TABLE t1, t2;
+DROP PROCEDURE p1;
+DROP PROCEDURE p2;
+DROP PROCEDURE p3;
+DROP PROCEDURE p4;
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4);
+create table t1 (a int, b int, key(a));
+insert into t1 select a,a from t0;
+insert into t1 select a+5,a from t0;
+create table t2 (a int, b int, primary key(a));
+insert into t2 select * from t1;
+Table t2, unlike table t1, should be displayed as pulled out
+explain extended select * from t0
+where t0.a in ( select t1.a from t1,t2 where t2.a=t0.a and
+t1.b=t2.b);
+id select_type table type possible_keys key key_len ref rows filtered Extra
+1 PRIMARY t0 ALL NULL NULL NULL NULL 5 100.00 Using where
+1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t0.a 1 100.00 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
+1 PRIMARY t1 ref a a 5 test.t0.a 1 100.00 Using where; FirstMatch(t2); Using join buffer (incremental, BKA join); Key-ordered Rowid-ordered scan
+Warnings:
+Note 1276 Field or reference 'test.t0.a' of SELECT #2 was resolved in SELECT #1
+Note 1003 select `test`.`t0`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1`) join `test`.`t0` where `test`.`t2`.`a` = `test`.`t0`.`a` and `test`.`t1`.`a` = `test`.`t0`.`a` and `test`.`t1`.`b` = `test`.`t2`.`b`
+select * from t0
+where t0.a in ( select t1.a from t1,t2 where t2.a=t0.a and
+t1.b=t2.b);
+a
+0
+1
+2
+3
+4
+update t1 set a=3, b=11 where a=4;
+update t2 set b=11 where a=3;
+# Not anymore:
+# The following query gives wrong result due to Bug#49129
+select * from t0 where t0.a in
+(select t1.a from t1, t2 where t2.a=t0.a and t1.b=t2.b);
+a
+0
+1
+2
+3
+drop table t0, t1, t2;
+CREATE TABLE t1 (
+id int(11) NOT NULL,
+PRIMARY KEY (id));
+CREATE TABLE t2 (
+id int(11) NOT NULL,
+fid int(11) NOT NULL,
+PRIMARY KEY (id));
+insert into t1 values(1);
+insert into t2 values(1,7503),(2,1);
+explain select count(*)
+from t1
+where fid IN (select fid from t2 where (id between 7502 and 8420) order by fid );
+ERROR 42S22: Unknown column 'fid' in 'IN/ALL/ANY subquery'
+drop table t1, t2;
+create table t1 (a int, b int, key (a), key (b));
+insert into t1 values (2,4),(2,4),(2,4);
+select t1.a from t1
+where
+t1.a in (select 1 from t1 where t1.a in (select 1 from t1) group by t1.a);
+a
+drop table t1;
+create table t1(a int,b int,key(a),key(b));
+insert into t1 values (1,1),(2,2),(3,3);
+select 1 from t1
+where t1.a not in (select 1 from t1
+where t1.a in (select 1 from t1)
+group by t1.b);
+1
+1
+1
+drop table t1;
+CREATE TABLE t1
+(EMPNUM CHAR(3) NOT NULL,
+EMPNAME CHAR(20),
+GRADE DECIMAL(4),
+CITY CHAR(15));
+CREATE TABLE t2
+(PNUM CHAR(3) NOT NULL,
+PNAME CHAR(20),
+PTYPE CHAR(6),
+BUDGET DECIMAL(9),
+CITY CHAR(15));
+CREATE TABLE t3
+(EMPNUM CHAR(3) NOT NULL,
+PNUM CHAR(3) NOT NULL,
+HOURS DECIMAL(5));
+INSERT INTO t1 VALUES ('E1','Alice',12,'Deale');
+INSERT INTO t1 VALUES ('E2','Betty',10,'Vienna');
+INSERT INTO t1 VALUES ('E3','Carmen',13,'Vienna');
+INSERT INTO t1 VALUES ('E4','Don',12,'Deale');
+INSERT INTO t1 VALUES ('E5','Ed',13,'Akron');
+INSERT INTO t2 VALUES ('P1','MXSS','Design',10000,'Deale');
+INSERT INTO t2 VALUES ('P2','CALM','Code',30000,'Vienna');
+INSERT INTO t2 VALUES ('P3','SDP','Test',30000,'Tampa');
+INSERT INTO t2 VALUES ('P4','SDP','Design',20000,'Deale');
+INSERT INTO t2 VALUES ('P5','IRM','Test',10000,'Vienna');
+INSERT INTO t2 VALUES ('P6','PAYR','Design',50000,'Deale');
+INSERT INTO t3 VALUES ('E1','P1',40);
+INSERT INTO t3 VALUES ('E1','P2',20);
+INSERT INTO t3 VALUES ('E1','P3',80);
+INSERT INTO t3 VALUES ('E1','P4',20);
+INSERT INTO t3 VALUES ('E1','P5',12);
+INSERT INTO t3 VALUES ('E1','P6',12);
+INSERT INTO t3 VALUES ('E2','P1',40);
+INSERT INTO t3 VALUES ('E2','P2',80);
+INSERT INTO t3 VALUES ('E3','P2',20);
+INSERT INTO t3 VALUES ('E4','P2',20);
+INSERT INTO t3 VALUES ('E4','P4',40);
+INSERT INTO t3 VALUES ('E4','P5',80);
+SELECT * FROM t1;
+EMPNUM EMPNAME GRADE CITY
+E1 Alice 12 Deale
+E2 Betty 10 Vienna
+E3 Carmen 13 Vienna
+E4 Don 12 Deale
+E5 Ed 13 Akron
+CREATE UNIQUE INDEX t1_IDX ON t1(EMPNUM);
+SELECT EMPNAME
+FROM t1
+WHERE EMPNUM IN
+(SELECT EMPNUM
+FROM t3
+WHERE PNUM IN
+(SELECT PNUM
+FROM t2
+WHERE PTYPE = 'Design'));
+EMPNAME
+Alice
+Betty
+Don
+DROP INDEX t1_IDX ON t1;
+CREATE INDEX t1_IDX ON t1(EMPNUM);
+SELECT EMPNAME
+FROM t1
+WHERE EMPNUM IN
+(SELECT EMPNUM
+FROM t3
+WHERE PNUM IN
+(SELECT PNUM
+FROM t2
+WHERE PTYPE = 'Design'));
+EMPNAME
+Alice
+Betty
+Don
+DROP INDEX t1_IDX ON t1;
+SELECT EMPNAME
+FROM t1
+WHERE EMPNUM IN
+(SELECT EMPNUM
+FROM t3
+WHERE PNUM IN
+(SELECT PNUM
+FROM t2
+WHERE PTYPE = 'Design'));
+EMPNAME
+Alice
+Betty
+Don
+DROP TABLE t1, t2, t3;
+CREATE TABLE t1 (f1 INT NOT NULL);
+CREATE VIEW v1 (a) AS SELECT f1 IN (SELECT f1 FROM t1) FROM t1;
+SELECT * FROM v1;
+a
+drop view v1;
+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);
+insert into t1 values (0,0),(1,1),(2,2);
+create table t2 as select * from t1;
+create table t3 (pk int, a int, primary key(pk));
+insert into t3 select a,a from t0;
+explain
+select * from t1 left join t2 on (t2.a= t1.a and t2.a in (select pk from t3));
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 3
+1 PRIMARY t2 hash_ALL NULL #hash#$hj 5 test.t1.a 3 Using where; Using join buffer (flat, BNLH join)
+2 MATERIALIZED t3 index PRIMARY PRIMARY 4 NULL 10 Using index
+drop table t0, t1, t2, t3;
+create table t1 (a int);
+insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t2 (a char(200), b char(200), c char(200), primary key (a,b,c)) engine=innodb;
+insert into t2 select concat(a, repeat('X',198)),repeat('B',200),repeat('B',200) from t1;
+insert into t2 select concat(a, repeat('Y',198)),repeat('B',200),repeat('B',200) from t1;
+alter table t2 add filler1 int;
+insert into t1 select A.a + 10*(B.a + 10*C.a) from t1 A, t1 B, t1 C;
+set @save_join_buffer_size=@@join_buffer_size;
+set join_buffer_size=1;
+select * from t2 where filler1 in ( select a from t1);
+a b c filler1
+set join_buffer_size=@save_join_buffer_size;
+drop table t1, t2;
+create table t1 (a int not null);
+drop procedure if exists p1;
+CREATE PROCEDURE p1()
+BEGIN
+DECLARE EXIT HANDLER FOR SQLEXCEPTION select a from t1;
+prepare s1 from '
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in (
+ select a from t1 where a in ( select a from t1)
+ )))))))))))))))))))))))))))))))))))))))))))))))))))))))))))))';
+execute s1;
+END;
+|
+call p1();
+a
+drop procedure p1;
+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) as select A.a + 10 *(B.a + 10*C.a) as a from t0 A, t0 B, t0 C;
+create table t2 (id int, a int, primary key(id), key(a)) as select a as id, a as a from t1;
+show create table t2;
+Table Create Table
+t2 CREATE TABLE `t2` (
+ `id` int(11) NOT NULL,
+ `a` int(11) DEFAULT NULL,
+ PRIMARY KEY (`id`),
+ KEY `a` (`a`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_swedish_ci
+set @a=0;
+create table t3 as select * from t2 limit 0;
+insert into t3 select @a:=@a+1, t2.a from t2, t0;
+insert into t3 select @a:=@a+1, t2.a from t2, t0;
+insert into t3 select @a:=@a+1, t2.a from t2, t0;
+alter table t3 add primary key(id), add key(a);
+The following must use loose index scan over t3, key a:
+explain select count(a) from t2 where a in ( SELECT a FROM t3);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 index a a 5 NULL 1000 Using index
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+2 MATERIALIZED t3 index a a 5 NULL 30000 Using index
+select count(a) from t2 where a in ( SELECT a FROM t3);
+count(a)
+1000
+drop table t0,t1,t2,t3;
+
+BUG#42740: crash in optimize_semijoin_nests
+
+create table t1 (c6 timestamp,key (c6)) engine=innodb;
+create table t2 (c2 double) engine=innodb;
+explain select 1 from t2 where c2 = any (select log10(null) from t1 where c6 <null) ;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
+drop table t1, t2;
+#
+# BUG#42742: crash in setup_sj_materialization, Copy_field::set
+#
+create table t3 ( c1 year) engine=innodb;
+insert into t3 values (2135),(2142);
+create table t2 (c1 tinytext,c2 text,c6 timestamp) engine=innodb;
+# The following must not crash, EXPLAIN should show one SJ strategy, not a mix:
+explain select 1 from t2 where
+c2 in (select 1 from t3, t2) and
+c1 in (select convert(c6,char(1)) from t2);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using where
+1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using join buffer (flat, BNL join)
+1 PRIMARY t3 ALL NULL NULL NULL NULL 2 FirstMatch(t2); Using join buffer (incremental, BNL join)
+1 PRIMARY <subquery3> eq_ref distinct_key distinct_key 4 func 1 Using where
+3 MATERIALIZED t2 ALL NULL NULL NULL NULL 1
+select 1 from t2 where
+c2 in (select 1 from t3, t2) and
+c1 in (select convert(c6,char(1)) from t2);
+1
+drop table t2, t3;
+#
+# BUG#761598: InnoDB: Error: row_search_for_mysql() is called without ha_innobase::external_lock() in maria-5.3
+#
+CREATE TABLE t1 ( f1 int NOT NULL , f10 int) ;
+INSERT IGNORE INTO t1 VALUES (25,0),(29,0);
+CREATE TABLE t2 ( f10 int) ENGINE=InnoDB;
+CREATE TABLE t3 ( f11 int) ;
+INSERT IGNORE INTO t3 VALUES (0);
+SELECT alias1.f10 AS field2
+FROM t2 AS alias1
+JOIN (
+t3 AS alias2
+JOIN t1 AS alias3
+ON alias3.f10
+) ON alias3.f1
+WHERE alias2.f11 IN (
+SELECT SQ4_alias1.f10
+FROM t1 AS SQ4_alias1
+LEFT JOIN t2 AS SQ4_alias3 ON SQ4_alias3.f10
+)
+GROUP BY field2;
+field2
+drop table t1, t2, t3;
+#
+# BUG#849763: Wrong result with second execution of prepared statement with semijoin + view
+#
+CREATE TABLE t1 ( c varchar(1)) engine=innodb;
+INSERT INTO t1 VALUES ('r');
+CREATE TABLE t2 ( a integer, b varchar(1), c varchar(1)) engine=innodb;
+INSERT INTO t2 VALUES (1,'r','r');
+CREATE OR REPLACE VIEW v1 AS SELECT * FROM t1;
+PREPARE st1 FROM 'SELECT * FROM t2 WHERE a = SOME (SELECT a FROM v1 WHERE v1.c = t2.c)';
+EXECUTE st1;
+a b c
+1 r r
+EXECUTE st1;
+a b c
+1 r r
+DROP VIEW v1;
+DROP TABLE t1, t2;
+#
+# BUG#858732: Wrong result with semijoin + loosescan + comma join
+#
+CREATE TABLE t1 (f13 int(11) NOT NULL , PRIMARY KEY (f13)) ENGINE=InnoDB;
+INSERT INTO t1 VALUES (16),(24);
+CREATE TABLE t2 (f14 int(11) NOT NULL, f12 varchar(1) NOT NULL, KEY (f12,f14)) ENGINE=InnoDB;
+INSERT INTO t2 VALUES (6,'y');
+CREATE TABLE t3 (f12 varchar(1) NOT NULL) ENGINE=InnoDB;
+INSERT INTO t3 VALUES ('r'),('s'),('t'),('v'),('w'),('x'),('y');
+analyze table t1,t2,t3 persistent for all;
+Table Op Msg_type Msg_text
+test.t1 analyze status Engine-independent statistics collected
+test.t1 analyze status OK
+test.t2 analyze status Engine-independent statistics collected
+test.t2 analyze status OK
+test.t3 analyze status Engine-independent statistics collected
+test.t3 analyze status OK
+# The following must use LooseScan but not join buffering
+explain
+SELECT * FROM t3
+WHERE f12 IN (SELECT alias2.f12 FROM t1 AS alias1, t2 AS alias2, t1 WHERE alias1.f13 = 24);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY alias1 const PRIMARY PRIMARY 4 const # Using index
+1 PRIMARY alias2 index f12 f12 7 NULL # Using index; LooseScan
+1 PRIMARY t1 index NULL PRIMARY 4 NULL # Using index; FirstMatch(alias2)
+1 PRIMARY t3 ALL NULL NULL NULL NULL # Using where; Using join buffer (flat, BNL join)
+SELECT * FROM t3
+WHERE f12 IN (SELECT alias2.f12 FROM t1 AS alias1, t2 AS alias2, t1 WHERE alias1.f13 = 24);
+f12
+y
+DROP TABLE t1,t2,t3;
+#
+# BUG#869012: Wrong result with semijoin + materialization + AND in WHERE
+#
+CREATE TABLE t1 (f3 varchar(1) , f4 varchar(1) ) engine=InnoDB;
+INSERT IGNORE INTO t1 VALUES ('x','x'),('x','x');
+CREATE TABLE t2 ( f4 varchar(1) ) ;
+INSERT IGNORE INTO t2 VALUES ('g');
+CREATE TABLE t3 (f4 varchar(1) ) Engine=InnoDB;
+INSERT IGNORE INTO t3 VALUES ('x');
+set @tmp_869012=@@optimizer_switch;
+SET optimizer_switch='semijoin=on,materialization=on';
+SELECT *
+FROM t1 , t2
+WHERE ( t1.f4 ) IN ( SELECT f4 FROM t3 )
+AND t2.f4 != t1.f3 ;
+f3 f4 f4
+x x g
+x x g
+set optimizer_switch= @tmp_869012;
+DROP TABLE t1,t2,t3;
+#
+# BUG#869001: Wrong result with semijoin + materialization + firstmatch + multipart key
+#
+set @tmp869001_jcl= @@join_cache_level;
+set @tmp869001_os= @@optimizer_switch;
+SET join_cache_level=0;
+SET optimizer_switch='materialization=on,semijoin=on,firstmatch=on,loosescan=off';
+CREATE TABLE t1 ( f2 int, f3 varchar(1), KEY (f3,f2)) engine=innodb;
+INSERT INTO t1 VALUES (8,'x'),(NULL,'x'),(8,'c');
+CREATE TABLE t2 ( f4 varchar(1)) engine=innodb;
+INSERT INTO t2 VALUES ('x');
+CREATE TABLE t3 ( f1 int) engine=innodb;
+INSERT INTO t3 VALUES (8),(6),(2),(9),(6);
+CREATE TABLE t4 ( f3 varchar(1)) engine=innodb;
+INSERT INTO t4 VALUES ('p'),('j'),('c');
+SELECT *
+FROM t1 JOIN t2 ON (t2.f4 = t1.f3 )
+WHERE ( 8 ) IN (
+SELECT t3.f1 FROM t3 , t4
+);
+f2 f3 f4
+NULL x x
+8 x x
+DROP TABLE t1, t2, t3, t4;
+set join_cache_level= @tmp869001_jcl;
+set optimizer_switch= @tmp869001_os;
+#
+# Bug #881318: join cache + duplicate elimination + left join
+# with empty materialized derived inner table
+#
+CREATE TABLE t1 (b varchar(1)) ENGINE=InnoDB;
+CREATE TABLE t2 (a varchar(1)) ENGINE=InnoDB;
+INSERT INTO t2 VALUES ('a');
+CREATE TABLE t3 (a varchar(1), b varchar(1)) ENGINE=InnoDB;
+INSERT INTO t3 VALUES ('c','c');
+CREATE TABLE t4 (b varchar(1)) ENGINE=InnoDB;
+INSERT INTO t4 VALUES ('c'), ('b');
+CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1;
+EXPLAIN
+SELECT * FROM t3 LEFT JOIN (v1,t2) ON t3.a = t2.a
+WHERE t3.b IN (SELECT b FROM t4);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t3 ALL NULL NULL NULL NULL 1
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+1 PRIMARY t2 hash_ALL NULL #hash#$hj 4 test.t3.a 1 Using where; Using join buffer (flat, BNLH join)
+1 PRIMARY <derived3> ALL NULL NULL NULL NULL 2 Using join buffer (incremental, BNL join)
+2 MATERIALIZED t4 ALL NULL NULL NULL NULL 2
+3 DERIVED t1 ALL NULL NULL NULL NULL 1
+SELECT * FROM t3 LEFT JOIN (v1,t2) ON t3.a = t2.a
+WHERE t3.b IN (SELECT b FROM t4);
+a b b a
+c c NULL NULL
+DROP VIEW v1;
+DROP TABLE t1,t2,t3,t4;
+#
+# BUG#912538: Wrong result (missing rows) with semijoin=on, firstmatch=on, ...
+#
+CREATE TABLE t1 ( a INT NOT NULL, UNIQUE KEY(a) );
+INSERT INTO t1 VALUES (1),(2),(3),(4);
+CREATE TABLE t2 ( b INT, c INT ) ENGINE=InnoDB;
+INSERT INTO t2 VALUES (1,1);
+SELECT * FROM t1, t2 WHERE c IN (SELECT c FROM t1, t2 WHERE a = b);
+a b c
+1 1 1
+2 1 1
+3 1 1
+4 1 1
+DROP TABLE t1,t2;
+#
+# BUG#962667: Assertion `0' failed in QUICK_INDEX_SORT_SELECT::need_sorted_output()
+# with index_merge+index_merge_sort_union+loosescan+semijoin
+#
+CREATE TABLE t1 (
+a INT, b VARCHAR(1), c INT,
+KEY(a), KEY(b)
+) ENGINE=InnoDB;
+INSERT INTO t1 VALUES
+(1,'v',9),(2,'v',8),(3,'c',7),(4,'m',6),(5,'x',5),
+(6,'i',4),(7,'e',3),(8,'p',2),(9,'s',1),(10,'j',9),
+(11,'z',8),(12,'c',7),(13,'a',6),(14,'q',5),(15,'y',4),
+(16,'n',3),(17,'r',2),(18,'v',1),(19,'p',0);
+CREATE TABLE t2 (
+pk INT, d VARCHAR(1), e INT,
+PRIMARY KEY(pk), KEY(d,e)
+) ENGINE=InnoDB;
+INSERT INTO t2 VALUES
+(1,'x',1),(2,'d',2),(3,'r',3),(4,'f',4),(5,'y',5),
+(6,'u',6),(7,'m',7),(8,'k',8),(9,'o',9),(10,'w',1),
+(11,'m',2),(12,'q',3),(13,'m',4),(14,'d',5),
+(15,'g',6),(16,'x',7),(17,'f',8);
+analyze table t1,t2;
+Table Op Msg_type Msg_text
+test.t1 analyze status Engine-independent statistics collected
+test.t1 analyze status OK
+test.t2 analyze status Engine-independent statistics collected
+test.t2 analyze status OK
+explain
+SELECT * FROM t1 WHERE b IN (
+SELECT d FROM t2, t1
+WHERE a = d AND ( pk < 2 OR d = 'z' )
+);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2
+1 PRIMARY t1 ref b b 4 test.t2.d 1 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
+2 MATERIALIZED t2 index_merge PRIMARY,d d,PRIMARY 4,4 NULL 2 Using sort_union(d,PRIMARY); Using where
+2 MATERIALIZED t1 ref a a 5 test.t2.d 1 Using where; Using index
+Warnings:
+Note 1105 Cannot use key `d` part[0] for lookup: `test`.`t2`.`d` of type `varchar` = "`t1`.`a`" of type `int`
+SELECT * FROM t1 WHERE b IN (
+SELECT d FROM t2, t1
+WHERE a = d AND ( pk < 2 OR d = 'z' )
+);
+a b c
+Warnings:
+Warning 1292 Truncated incorrect INTEGER value: 'x'
+DROP TABLE t1, t2;
+#
+# BUG#951937: Wrong result (missing rows) with semijoin+materialization, IN subquery, InnoDB, TEMPTABLE view
+#
+CREATE TABLE t1 (
+a VARCHAR(1),
+b VARCHAR(1) NOT NULL,
+KEY(a)
+) ENGINE=InnoDB;
+INSERT INTO t1 VALUES
+('j','j'),('v','v'),('c','c'),('m','m'),('d','d'),
+('y','y'),('t','t'),('d','d'),('s','s'),('r','r'),
+('m','m'),('b','b'),('x','x'),('g','g'),('p','p'),
+('q','q'),('w','w'),('d','d'),('e','e');
+ANALYZE TABLE t1;
+Table Op Msg_type Msg_text
+test.t1 analyze status Engine-independent statistics collected
+test.t1 analyze status OK
+CREATE ALGORITHM=TEMPTABLE VIEW v1 AS SELECT * FROM t1;
+# This query returned 6 rows instead of 19
+SELECT * FROM v1
+WHERE ( a, a ) IN (
+SELECT alias2.b, alias2.a
+FROM t1 AS alias1, t1 AS alias2
+WHERE alias2.b = alias1.a
+AND ( alias1.b >= alias1.a OR alias2.b = 'z' )
+);
+a b
+b b
+c c
+d d
+d d
+d d
+e e
+g g
+j j
+m m
+m m
+p p
+q q
+r r
+s s
+t t
+v v
+w w
+x x
+y y
+# Another testcase, without the VIEW:
+CREATE TABLE t2 (a VARCHAR(1), b VARCHAR(1) NOT NULL, KEY(a)) ENGINE=InnoDB;
+INSERT INTO t2 SELECT * FROM t1;
+INSERT INTO t2 SELECT * FROM t1;
+ANALYZE TABLE t2;
+Table Op Msg_type Msg_text
+test.t2 analyze status Engine-independent statistics collected
+test.t2 analyze status OK
+EXPLAIN
+SELECT * FROM t2
+WHERE (a, a) IN (SELECT alias2.b, alias2.a FROM t1 AS alias1, t1 AS alias2
+WHERE
+alias2.b = alias1.a AND
+(alias1.b >= alias1.a OR alias2.b = 'z'));
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 ALL a NULL NULL NULL 38
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 8 func,func 1
+2 MATERIALIZED alias1 ALL a NULL NULL NULL 19 Using where
+2 MATERIALIZED alias2 ref a a 4 test.alias1.a 1 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
+SELECT * FROM t2
+WHERE (a, a) IN (SELECT alias2.b, alias2.a FROM t1 AS alias1, t1 AS alias2
+WHERE
+alias2.b = alias1.a AND
+(alias1.b >= alias1.a OR alias2.b = 'z'));
+a b
+b b
+b b
+c c
+c c
+d d
+d d
+d d
+d d
+d d
+d d
+e e
+e e
+g g
+g g
+j j
+j j
+m m
+m m
+m m
+m m
+p p
+p p
+q q
+q q
+r r
+r r
+s s
+s s
+t t
+t t
+v v
+v v
+w w
+w w
+x x
+x x
+y y
+y y
+DROP VIEW v1;
+DROP TABLE t1, t2;
+#
+# BUG#965872: Server crashes in embedding_sjm on a simple 1-table select with AND and OR
+# (this is a regression caused by the fix for BUG#951937)
+CREATE TABLE t1 ( a INT, b INT, c INT, d INT );
+INSERT INTO t1 VALUES (4,2,8,9),(4,2,7,8);
+SELECT * FROM t1
+WHERE a = d AND ( b = 50 AND b = d OR a = c );
+a b c d
+DROP TABLE t1;
+#
+# BUG#951283: Wrong result (missing rows) with semijoin+firstmatch, IN/ANY subquery
+#
+set @tmp_951283=@@optimizer_prune_level;
+SET optimizer_prune_level=0;
+CREATE TABLE t1 ( a INT ) ENGINE=InnoDB;
+INSERT INTO t1 VALUES
+(10),(11),(12),(13),(14),(15),(16),
+(17),(18),(19),(20),(21),(22),(23);
+CREATE TABLE t2 (
+b INT PRIMARY KEY,
+c VARCHAR(1),
+d VARCHAR(1),
+KEY(c)
+) ENGINE=InnoDB;
+INSERT INTO t2 VALUES
+(1,'j','j'),(2,'v','v'),(3,'c','c'),(4,'m','m'),
+(5,'d','d'),(6,'d','d'),(7,'y','y'),(8,'t','t'),
+(9,'d','d'),(10,'s','s'),(11,'r','r'),(12,'m','m'),
+(13,'b','b'),(14,'x','x'),(15,'g','g'),(16,'p','p'),
+(17,'q','q'),(18,'w','w'),(19,'d','d');
+analyze table t1 persistent for all;
+Table Op Msg_type Msg_text
+test.t1 analyze status Engine-independent statistics collected
+test.t1 analyze status OK
+analyze table t2 persistent for all;
+Table Op Msg_type Msg_text
+test.t2 analyze status Engine-independent statistics collected
+test.t2 analyze status OK
+EXPLAIN
+SELECT COUNT(*) FROM t1 AS alias1, t1 AS alias2, t2 AS alias3
+WHERE alias3.d IN (
+SELECT alias4.c FROM t2 AS alias4, t2 AS alias5
+WHERE alias5.b = alias4.b
+AND ( alias5.b >= alias3.b OR alias5.c != alias3.c )
+);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY alias3 ALL PRIMARY NULL NULL NULL # Using where
+1 PRIMARY alias4 ref PRIMARY,c c 4 test.alias3.d # Using index
+1 PRIMARY alias5 eq_ref PRIMARY PRIMARY 4 test.alias4.b # Using where; FirstMatch(alias3)
+1 PRIMARY alias1 ALL NULL NULL NULL NULL # Using join buffer (flat, BNL join)
+1 PRIMARY alias2 ALL NULL NULL NULL NULL # Using join buffer (incremental, BNL join)
+SELECT COUNT(*) FROM t1 AS alias1, t1 AS alias2, t2 AS alias3
+WHERE alias3.d IN (
+SELECT alias4.c FROM t2 AS alias4, t2 AS alias5
+WHERE alias5.b = alias4.b
+AND ( alias5.b >= alias3.b OR alias5.c != alias3.c )
+);
+COUNT(*)
+3724
+EXPLAIN
+SELECT COUNT(*) FROM t1 AS alias1, t1 AS alias2, t2 AS alias3
+WHERE alias3.d IN (
+SELECT alias4.c FROM t2 AS alias4, t2 AS alias5
+WHERE alias5.b = alias4.b
+AND ( alias5.b >= alias3.b OR alias3.c != alias5.c )
+);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY alias3 ALL PRIMARY NULL NULL NULL # Using where
+1 PRIMARY alias4 ref PRIMARY,c c 4 test.alias3.d # Using index
+1 PRIMARY alias5 eq_ref PRIMARY PRIMARY 4 test.alias4.b # Using where; FirstMatch(alias3)
+1 PRIMARY alias1 ALL NULL NULL NULL NULL # Using join buffer (flat, BNL join)
+1 PRIMARY alias2 ALL NULL NULL NULL NULL # Using join buffer (incremental, BNL join)
+SELECT COUNT(*) FROM t1 AS alias1, t1 AS alias2, t2 AS alias3
+WHERE alias3.d IN (
+SELECT alias4.c FROM t2 AS alias4, t2 AS alias5
+WHERE alias5.b = alias4.b
+AND ( alias5.b >= alias3.b OR alias3.c != alias5.c )
+);
+COUNT(*)
+3724
+set optimizer_prune_level=@tmp_951283;
+DROP TABLE t1,t2;
+#
+# Bug mdev-5135: crash on semijoin with nested outer joins
+#
+CREATE TABLE t1 (i1 int) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1),(2);
+CREATE TABLE t2 (i2 int, INDEX(i2)) ENGINE=MyISAM;
+CREATE TABLE t3 (i3 int, c varchar(1), INDEX(i3), INDEX(c)) ENGINE=MyISAM;
+INSERT INTO t3 VALUES (3,'x'),(4,'y');
+SELECT * FROM t1 WHERE ( 1, 1 ) IN (
+SELECT i2, i2 FROM t2 LEFT OUTER JOIN (
+t3 AS t3a INNER JOIN t3 AS t3b ON ( t3a.i3 = t3b.i3 )
+) ON ( t3a.c = t3b.c )
+);
+i1
+DROP TABLE t1,t2,t3;
+#
+# MDEV-5582: Plugin 'MEMORY' has ref_count=1 after shutdown with materialization+semijoin
+#
+CREATE TABLE t1 (a INT) engine=innodb;
+INSERT INTO t1 VALUES (8),(9);
+CREATE TABLE t2 (b INT) engine=innodb;
+INSERT INTO t2 VALUES (2),(3);
+CREATE TABLE t3 (c INT, INDEX(c)) engine=innodb;
+INSERT INTO t2 VALUES (4),(5);
+explain
+SELECT * FROM t1 WHERE 9 IN ( SELECT b FROM t2 WHERE 1 IN ( SELECT MIN(c) FROM t3 ) );
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY NULL NULL NULL NULL NULL NULL NULL Impossible WHERE
+3 MATERIALIZED NULL NULL NULL NULL NULL NULL NULL No matching min/max row
+SELECT * FROM t1 WHERE 9 IN ( SELECT b FROM t2 WHERE 1 IN ( SELECT MIN(c) FROM t3 ) );
+a
+DROP TABLE t1,t2,t3;
+DROP TABLE IF EXISTS t1,t2,t3,t4;
+#
+# MDEV-4782: Valgrind warnings (Conditional jump or move depends on uninitialised value) with InnoDB, semijoin
+#
+CREATE TABLE t1 ( t1_pk1 varchar(3), t1_pk2 varchar(52), PRIMARY KEY (t1_pk1,t1_pk2)) ENGINE=InnoDB;
+INSERT INTO t1 VALUES ('CHN','Chinese'),('USA','English');
+CREATE TABLE t2 ( t2_i int(11), t2_c varchar(52)) ENGINE=InnoDB;
+INSERT INTO t2 VALUES (86,'English');
+CREATE TABLE t3 ( t3_i int(11), t3_c varchar(35)) ENGINE=InnoDB;
+INSERT INTO t3 VALUES (3989,'Abilene'),(3873,'Akron');
+create table t4 like t1;
+insert into t4 select * from t1;
+SELECT * FROM t1, t3 WHERE t3_c IN ( SELECT t1_pk2 FROM t4, t2 WHERE t2_c = t1_pk2 AND t2_i >= t3_i ) AND ( t1_pk1 = 'POL' );
+t1_pk1 t1_pk2 t3_i t3_c
+explain
+SELECT * FROM t1, t3 WHERE t3_c IN ( SELECT t1_pk2 FROM t4, t2 WHERE t2_c = t1_pk2 AND t2_i >= t3_i ) AND ( t1_pk1 = 'POL' );
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ref PRIMARY PRIMARY 5 const 1 Using where; Using index
+1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Start temporary; Using join buffer (flat, BNL join)
+1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (incremental, BNL join)
+1 PRIMARY t4 hash_index NULL #hash#$hj:PRIMARY 54:59 test.t3.t3_c 2 Using where; Using index; End temporary; Using join buffer (incremental, BNLH join)
+DROP TABLE t1,t2,t3,t4;
+#
+# MDEV-6263: Wrong result when using IN subquery with order by
+#
+CREATE TABLE t1 (
+id int(11) NOT NULL,
+nombre varchar(255) NOT NULL,
+PRIMARY KEY (id)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+INSERT INTO t1 (id, nombre) VALUES
+(1, 'row 1'),(2, 'row 2'),(3, 'row 3'),
+(4, 'row 4'),(5, 'row 5'),(6, 'row 6');
+CREATE TABLE t2 (
+id_algo int(11) NOT NULL,
+id_agente int(11) NOT NULL,
+PRIMARY KEY (id_algo,id_agente),
+KEY another_data (id_agente)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+INSERT INTO t2 (id_algo, id_agente) VALUES
+(1, 1),(1, 2),(2, 1),(2, 2),(2, 3),(3, 1);
+SELECT * FROM t1 WHERE id in (select distinct id_agente from t2) ORDER BY nombre ASC;
+id nombre
+1 row 1
+2 row 2
+3 row 3
+SELECT * FROM t1 WHERE id in (select distinct id_agente from t2);
+id nombre
+1 row 1
+2 row 2
+3 row 3
+DROP TABLE t1, t2;
+#
+# MDEV-7474: Semi-Join's DuplicateWeedout strategy skipped for some values of optimizer_search_depth
+#
+CREATE TABLE t1 (
+t1id BIGINT(20) NOT NULL,
+code VARCHAR(20),
+PRIMARY KEY (t1id)
+) COLLATE='utf8mb4_bin' ENGINE=InnoDB;
+CREATE TABLE t2 (
+t2id BIGINT(20) NOT NULL,
+t1idref BIGINT(20) NOT NULL,
+code VARCHAR(20),
+PRIMARY KEY (t2id),
+INDEX FK_T2_T1Id (t1idref),
+CONSTRAINT FK_T2_T1Id FOREIGN KEY (t1idref) REFERENCES t1 (t1id)
+) COLLATE='utf8mb4_bin' ENGINE=InnoDB;
+CREATE TABLE t3 (
+t3idref BIGINT(20) NOT NULL,
+t2idref BIGINT(20) NOT NULL,
+sequencenumber INT(10) NOT NULL,
+PRIMARY KEY (t3idref, t2idref),
+INDEX FK_T3_T2Id (t2idref),
+CONSTRAINT FK_T3_T2Id FOREIGN KEY (t2idref) REFERENCES t2 (t2id)
+) COLLATE='utf8mb4_bin' ENGINE=InnoDB;
+INSERT INTO t1 (t1id) VALUES (100001),(100017),(100018),(100026),(100027),(100028),(100029),(100030),
+(100031),(100032),(100033),(100034),(100035),(100036),(100037),(100038),(100040),(100041),(100042),
+(100043),(100044),(100045),(100046),(100047);
+INSERT IGNORE INTO t2 (t2id, t1idref) SELECT t1id, t1id FROM t1;
+INSERT IGNORE INTO t1 VALUES (200001, 'a');
+INSERT IGNORE INTO t2 (t2id, t1idref) VALUES (200011, 200001),(200012, 200001),(200013, 200001);
+INSERT IGNORE INTO t3 VALUES (1, 200011, 1), (1, 200012, 2), (1, 200013, 3);
+ANALYZE TABLE t1,t2,t3;
+Table Op Msg_type Msg_text
+test.t1 analyze status Engine-independent statistics collected
+test.t1 analyze status OK
+test.t2 analyze status Engine-independent statistics collected
+test.t2 analyze status OK
+test.t3 analyze status Engine-independent statistics collected
+test.t3 analyze status OK
+set @tmp7474= @@optimizer_search_depth;
+SET SESSION optimizer_search_depth = 1;
+SELECT SQL_NO_CACHE
+T2_0_.t1idref,
+T2_0_.t2id
+FROM
+t2 T2_0_
+WHERE
+T2_0_.t1idref IN (
+SELECT
+T1_1_.t1id
+FROM
+t3 T3_0_
+INNER JOIN
+t2 T2_1_
+ON T3_0_.t2idref=T2_1_.t2id
+INNER JOIN
+t1 T1_1_
+ON T2_1_.t1idref=T1_1_.t1id
+WHERE
+T3_0_.t3idref= 1
+);
+t1idref t2id
+200001 200011
+200001 200012
+200001 200013
+explain SELECT SQL_NO_CACHE
+T2_0_.t1idref,
+T2_0_.t2id
+FROM
+t2 T2_0_
+WHERE
+T2_0_.t1idref IN (
+SELECT
+T1_1_.t1id
+FROM
+t3 T3_0_
+INNER JOIN
+t2 T2_1_
+ON T3_0_.t2idref=T2_1_.t2id
+INNER JOIN
+t1 T1_1_
+ON T2_1_.t1idref=T1_1_.t1id
+WHERE
+T3_0_.t3idref= 1
+);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY T3_0_ ref PRIMARY,FK_T3_T2Id PRIMARY 8 const 3 Using index; Start temporary
+1 PRIMARY T2_1_ eq_ref PRIMARY,FK_T2_T1Id PRIMARY 8 test.T3_0_.t2idref 1 Using join buffer (flat, BKA join); Key-ordered scan
+1 PRIMARY T1_1_ eq_ref PRIMARY PRIMARY 8 test.T2_1_.t1idref 1 Using index
+1 PRIMARY T2_0_ ref FK_T2_T1Id FK_T2_T1Id 8 test.T2_1_.t1idref 1 Using index; End temporary
+drop table t3,t2,t1;
+set optimizer_search_depth=@tmp7474;
+#
+#
+#
+CREATE TABLE t1 (
+id int(16) NOT NULL AUTO_INCREMENT,
+PRIMARY KEY (id)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+CREATE TABLE t2 (
+id int(16) NOT NULL AUTO_INCREMENT,
+t3_id int(16) NOT NULL DEFAULT '0',
+t1_id int(16) NOT NULL DEFAULT '0',
+PRIMARY KEY (id),
+KEY t3_idx (t3_id),
+KEY t1_idx (t1_id)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8;
+CREATE TABLE t3 (
+id int(16) NOT NULL AUTO_INCREMENT,
+PRIMARY KEY (id)
+) ENGINE=MyISAM DEFAULT CHARSET=utf8;
+INSERT INTO t3 VALUES (1);
+INSERT INTO t2 VALUES (1, 1, 1);
+INSERT INTO t2 VALUES (2, 1, 2);
+INSERT INTO t2 VALUES (3, 1, 2);
+INSERT INTO t2 VALUES (4, 1, 1);
+INSERT INTO t1 VALUES (1);
+INSERT INTO t1 VALUES (2);
+SELECT * FROM t1 WHERE t1.id IN (
+SELECT t2.t1_id FROM t3 JOIN t2 ON t3.id = t2.t3_id WHERE t3.id = 1
+);
+id
+1
+2
+drop table t1,t2,t3;
+#
+# MDEV-11108: Assertion `uniq_tuple_length_arg <= table->file->max_key_length()' failed in SJ_TMP_TABLE::create_sj_weedout_tmp_table
+#
+CREATE TABLE t1 (a INT) ENGINE=InnoDB;
+CREATE TABLE t2 (pk BLOB, b INT, PRIMARY KEY(pk(1000))) ENGINE=InnoDB;
+CREATE TABLE t3 (c INT) ENGINE=InnoDB;
+CREATE OR REPLACE ALGORITHM=MERGE VIEW v3 AS SELECT * FROM t3;
+INSERT INTO t3 VALUES (1),(2),(3),(4),(5),(6),(7),(8);
+SELECT * FROM t1, t2
+WHERE a IN ( SELECT b FROM t2 LEFT JOIN v3 ON ( c = b ) ) ;
+a pk b
+DROP TABLE t1,t2,t3;
+DROP VIEW v3;
+# This must be the last in the file:
+set global innodb_stats_persistent= @innodb_stats_persistent_save;
+set global innodb_stats_persistent_sample_pages=
+@innodb_stats_persistent_sample_pages_save;
+set optimizer_switch=@subselect_sj2_tmp;
+set @innodb_stats_persistent_save= @@innodb_stats_persistent;
+set @innodb_stats_persistent_sample_pages_save=
+@@innodb_stats_persistent_sample_pages;
+set global innodb_stats_persistent= 1;
+set global innodb_stats_persistent_sample_pages=100;
+#
+# Bug #898073: potential incremental join cache for semijoin
+#
+CREATE TABLE t1 (a int, b varchar(1), KEY (b,a));
+INSERT INTO t1 VALUES (0,'x'), (5,'r');
+CREATE TABLE t2 (a int) ENGINE=InnoDB;
+INSERT INTO t2 VALUES (8);
+CREATE TABLE t3 (b varchar(1), c varchar(1)) ENGINE=InnoDB;
+INSERT INTO t3 VALUES ('x','x');
+CREATE TABLE t4 (a int NOT NULL, b varchar(1)) ENGINE=InnoDB;
+INSERT INTO t4 VALUES (20,'r'), (10,'x');
+set @tmp_optimizer_switch=@@optimizer_switch;
+SET SESSION optimizer_switch='semijoin_with_cache=on';
+SET SESSION join_cache_level=2;
+EXPLAIN
+SELECT t3.* FROM t1 JOIN t3 ON t3.b = t1.b
+WHERE c IN (SELECT t4.b FROM t4 JOIN t2);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t3 ALL NULL NULL NULL NULL 1 Using where
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+1 PRIMARY t1 ref b b 4 test.t3.b 1 Using index
+2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1
+2 MATERIALIZED t4 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
+SELECT t3.* FROM t1 JOIN t3 ON t3.b = t1.b
+WHERE c IN (SELECT t4.b FROM t4 JOIN t2);
+b c
+x x
+set optimizer_switch=@tmp_optimizer_switch;
+set join_cache_level=default;
+DROP TABLE t1,t2,t3,t4;
+#
+# Bug #899696: potential incremental join cache for semijoin
+#
+CREATE TABLE t1 (pk int PRIMARY KEY, a int);
+INSERT INTO t1 VALUES (1, 6), (2, 8);
+CREATE TABLE t2 (b int) ENGINE=InnoDB;
+INSERT INTO t2 VALUES (8);
+CREATE TABLE t3 (pk int PRIMARY KEY, a int);
+INSERT INTO t3 VALUES (1, 6), (2, 8);
+CREATE TABLE t4 (b int) ENGINE=InnoDB;
+INSERT INTO t4 VALUES (2);
+set @tmp_optimizer_switch=@@optimizer_switch;
+SET optimizer_switch = 'semijoin_with_cache=on';
+SET join_cache_level = 2;
+EXPLAIN
+SELECT * FROM t1, t2 WHERE b IN (SELECT a FROM t3, t4 WHERE b = pk);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 ALL NULL NULL NULL NULL 1
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using join buffer (flat, BNL join)
+2 MATERIALIZED t4 ALL NULL NULL NULL NULL 1 Using where
+2 MATERIALIZED t3 eq_ref PRIMARY PRIMARY 4 test.t4.b 1
+SELECT * FROM t1, t2 WHERE b IN (SELECT a FROM t3, t4 WHERE b = pk);
+pk a b
+1 6 8
+2 8 8
+set optimizer_switch=@tmp_optimizer_switch;
+set join_cache_level=default;
+DROP TABLE t1,t2,t3,t4;
+#
+# Bug #899962: materialized subquery with join_cache_level=3
+#
+CREATE TABLE t1 (a varchar(1), b varchar(1)) ENGINE=InnoDB;
+INSERT INTO t1 VALUES ('v','v');
+CREATE TABLE t2 (a varchar(1), b varchar(1)) ENGINE=InnoDB;
+INSERT INTO t2 VALUES ('v','v');
+set @tmp_optimizer_switch=@@optimizer_switch;
+SET optimizer_switch = 'semijoin_with_cache=on';
+SET join_cache_level = 3;
+EXPLAIN
+SELECT * FROM t1 WHERE b IN (SELECT a FROM t2 GROUP BY a);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 1
+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1
+2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1
+SELECT * FROM t1 WHERE b IN (SELECT a FROM t2 GROUP BY a);
+a b
+v v
+EXPLAIN
+SELECT * FROM t1 WHERE b IN (SELECT max(a) FROM t2 GROUP BY a);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 1 Using where
+1 PRIMARY <subquery2> hash_ALL distinct_key #hash#distinct_key 4 test.t1.b 1 Using join buffer (flat, BNLH join)
+2 MATERIALIZED t2 ALL NULL NULL NULL NULL 1 Using temporary
+SELECT * FROM t1 WHERE b IN (SELECT max(a) FROM t2 GROUP BY a);
+a b
+v v
+set optimizer_switch=@tmp_optimizer_switch;
+set join_cache_level=default;
+DROP TABLE t1,t2;
+set global innodb_stats_persistent= @innodb_stats_persistent_save;
+set global innodb_stats_persistent_sample_pages=
+@innodb_stats_persistent_sample_pages_save;
+set @@optimizer_switch=@save_optimizer_switch_jcl6;
+set @optimizer_switch_for_subselect_sj2_test=NULL;
+set @join_cache_level_subselect_sj2_test=NULL;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-23 12:30:03 +0000