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-rw-r--r--mysql-test/r/subselect3.result496
1 files changed, 479 insertions, 17 deletions
diff --git a/mysql-test/r/subselect3.result b/mysql-test/r/subselect3.result
index 2962a12d9a2..1fc9309da4f 100644
--- a/mysql-test/r/subselect3.result
+++ b/mysql-test/r/subselect3.result
@@ -1,4 +1,4 @@
-drop table if exists t0, t1, t2, t3, t4, t5;
+drop table if exists t0, t1, t2, t3, t4, t5, t11, t12, t21, t22;
create table t1 (oref int, grp int, ie int) ;
insert into t1 (oref, grp, ie) values
(1, 1, 1),
@@ -30,7 +30,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary; Using filesort
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `Z` from `test`.`t2`
+Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`))))))) AS `Z` from `test`.`t2`
explain extended
select a, oref from t2
where a in (select max(ie) from t1 where oref=t2.oref group by grp);
@@ -39,7 +39,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary; Using filesort
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref` from `test`.`t2` where <in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having (<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))
+Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref` from `test`.`t2` where <expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) group by `test`.`t1`.`grp` having (<cache>(`test`.`t2`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`))))))
select a, oref, a in (
select max(ie) from t1 where oref=t2.oref group by grp union
select max(ie) from t1 where oref=t2.oref group by grp
@@ -63,12 +63,15 @@ Handler_read_rnd_next 11
select ' ^ This must show 11' Z;
Z
^ This must show 11
+set @save_optimizer_switch=@@optimizer_switch;
+set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off";
explain extended select a in (select max(ie) from t1 where oref=4 group by grp) from t3;
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 ALL NULL NULL NULL NULL 2 100.00
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 6 100.00 Using where; Using temporary; Using filesort
Warnings:
-Note 1003 select <in_optimizer>(`test`.`t3`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = 4) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t3`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`)))))) AS `a in (select max(ie) from t1 where oref=4 group by grp)` from `test`.`t3`
+Note 1003 select <expr_cache><`test`.`t3`.`a`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(select max(`test`.`t1`.`ie`) from `test`.`t1` where (`test`.`t1`.`oref` = 4) group by `test`.`t1`.`grp` having trigcond((<cache>(`test`.`t3`.`a`) = <ref_null_helper>(max(`test`.`t1`.`ie`))))))) AS `a in (select max(ie) from t1 where oref=4 group by grp)` from `test`.`t3`
+set @@optimizer_switch=@save_optimizer_switch;
drop table t1, t2, t3;
create table t1 (a int, oref int, key(a));
insert into t1 values
@@ -92,7 +95,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) having trigcond(<is_not_null_test>(`test`.`t1`.`a`))))) AS `Z` from `test`.`t2`
+Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where (`test`.`t1`.`oref` = `test`.`t2`.`oref`) having trigcond(<is_not_null_test>(`test`.`t1`.`a`)))))) AS `Z` from `test`.`t2`
flush status;
select oref, a from t2 where a in (select a from t1 where oref=t2.oref);
oref a
@@ -102,6 +105,7 @@ Variable_name Value
Handler_read_rnd_next 5
delete from t2;
insert into t2 values (NULL, 0),(NULL, 0), (NULL, 0), (NULL, 0);
+set optimizer_switch='subquery_cache=off';
flush status;
select oref, a, a in (select a from t1 where oref=t2.oref) Z from t2;
oref a Z
@@ -121,6 +125,7 @@ Handler_read_rnd_next 29
select 'No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.' Z;
Z
No key lookups, seq reads: 29= 5 reads from t2 + 4 * 6 reads from t1.
+set @@optimizer_switch=@save_optimizer_switch;
drop table t1, t2;
create table t1 (a int, b int, primary key (a));
insert into t1 values (1,1), (3,1),(100,1);
@@ -158,7 +163,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref a a 5 test.t1.b 1 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
-Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond(((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)))) having trigcond(<is_not_null_test>(`test`.`t1`.`a`)))) AS `Z` from `test`.`t3`
+Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<expr_cache><`test`.`t3`.`a`,`test`.`t3`.`oref`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond(((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)))) having trigcond(<is_not_null_test>(`test`.`t1`.`a`))))) AS `Z` from `test`.`t3`
drop table t1, t2, t3;
create table t1 (a int NOT NULL, b int NOT NULL, key(a));
insert into t1 values
@@ -186,7 +191,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ref a a 4 test.t1.b 1 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
-Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`))))) AS `Z` from `test`.`t3`
+Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t3`.`oref` AS `oref`,<expr_cache><`test`.`t3`.`a`,`test`.`t3`.`oref`>(<in_optimizer>(`test`.`t3`.`a`,<exists>(select 1 from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`b`) and (`test`.`t2`.`b` = `test`.`t3`.`oref`) and trigcond((<cache>(`test`.`t3`.`a`) = `test`.`t1`.`a`)))))) AS `Z` from `test`.`t3`
drop table t1,t2,t3;
create table t1 (oref int, grp int);
insert into t1 (oref, grp) values
@@ -210,7 +215,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using temporary; Using filesort
Warnings:
Note 1276 Field or reference 't2.oref' of SELECT #2 was resolved in SELECT #1
-Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>(`test`.`t2`.`a`,<exists>(select count(0) from `test`.`t1` group by `test`.`t1`.`grp` having ((`test`.`t1`.`grp` = `test`.`t2`.`oref`) and trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(count(0))))))) AS `Z` from `test`.`t2`
+Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>(`test`.`t2`.`a`,<exists>(select count(0) from `test`.`t1` group by `test`.`t1`.`grp` having ((`test`.`t1`.`grp` = `test`.`t2`.`oref`) and trigcond((<cache>(`test`.`t2`.`a`) = <ref_null_helper>(count(0)))))))) AS `Z` from `test`.`t2`
drop table t1, t2;
create table t1 (a int, b int, primary key (a));
insert into t1 values (1,1), (3,1),(100,1);
@@ -242,7 +247,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery a a 5 func 2 100.00 Using where; Full scan on NULL key
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`)))))) AS `Z` from `test`.`t2`
+Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on a checking NULL where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`))))))) AS `Z` from `test`.`t2`
select a,b, oref, (a,b) in (select a,b from t1 where c=t2.oref) Z from t2;
a b oref Z
NULL 1 100 0
@@ -259,7 +264,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t4 ALL NULL NULL NULL NULL 100 100.00 Using where; Using join buffer
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`))))) AS `Z` from `test`.`t2`
+Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`oref` AS `oref`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(select `test`.`t1`.`a`,`test`.`t1`.`b` from `test`.`t1` join `test`.`t4` where ((`test`.`t1`.`c` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`b`) or isnull(`test`.`t1`.`b`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`a`)) and trigcond(<is_not_null_test>(`test`.`t1`.`b`)))))) AS `Z` from `test`.`t2`
select a,b, oref,
(a,b) in (select a,b from t1,t4 where c=t2.oref) Z
from t2;
@@ -304,7 +309,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`)))))) AS `Z` from `test`.`t2` where ((`test`.`t2`.`b` = 10) and (`test`.`t2`.`a` = 10))
+Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2` where ((`test`.`t2`.`b` = 10) and (`test`.`t2`.`a` = 10))
drop table t1, t2;
create table t1 (oref char(4), grp int, ie int);
insert into t1 (oref, grp, ie) values
@@ -574,7 +579,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
-Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`)))))) AS `Z` from `test`.`t2`
+Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`b`,`test`.`t2`.`a`,`test`.`t2`.`oref`>(<in_optimizer>((`test`.`t2`.`a`,`test`.`t2`.`b`),<exists>(<index_lookup>(<cache>(`test`.`t2`.`a`) in t1 on idx checking NULL where ((`test`.`t1`.`oref` = `test`.`t2`.`oref`) and trigcond(((<cache>(`test`.`t2`.`a`) = `test`.`t1`.`ie1`) or isnull(`test`.`t1`.`ie1`))) and trigcond(((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`ie2`) or isnull(`test`.`t1`.`ie2`)))) having (trigcond(<is_not_null_test>(`test`.`t1`.`ie1`)) and trigcond(<is_not_null_test>(`test`.`t1`.`ie2`))))))) AS `Z` from `test`.`t2`
drop table t1,t2;
create table t1 (oref char(4), grp int, ie int primary key);
insert into t1 (oref, grp, ie) values
@@ -693,6 +698,8 @@ a MAX(b) test
2 3 h
3 4 i
DROP TABLE t1, t2;
+set @save_optimizer_switch=@@optimizer_switch;
+set @@optimizer_switch="partial_match_rowid_merge=off,partial_match_table_scan=off";
CREATE TABLE t1 (a int);
CREATE TABLE t2 (b int, PRIMARY KEY(b));
INSERT INTO t1 VALUES (1), (NULL), (4);
@@ -704,7 +711,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t2 eq_ref PRIMARY PRIMARY 4 test.t1.a 1 100.00 Using index
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 3 100.00 Using where
Warnings:
-Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`b` = `test`.`t1`.`a`) and (not(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t1` where ((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)) having <is_not_null_test>(`test`.`t1`.`a`))))))
+Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`b` = `test`.`t1`.`a`) and (not(<expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,<exists>(select 1 from `test`.`t1` where ((<cache>(`test`.`t2`.`b`) = `test`.`t1`.`a`) or isnull(`test`.`t1`.`a`)) having <is_not_null_test>(`test`.`t1`.`a`)))))))
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1));
a
SELECT a FROM t1, t2 WHERE a=b AND (b NOT IN (SELECT a FROM t1 WHERE a > 4));
@@ -725,7 +732,7 @@ WHERE t3.name='xxx' AND t2.id=t3.id);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where
2 DEPENDENT SUBQUERY t2 eq_ref PRIMARY PRIMARY 4 func 1 Using where; Using index; Full scan on NULL key
-2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 func 1 Using where; Full scan on NULL key
+2 DEPENDENT SUBQUERY t3 eq_ref PRIMARY PRIMARY 4 func 1 Using index condition; Using where; Full scan on NULL key
SELECT * FROM t1
WHERE t1.id NOT IN (SELECT t2.id FROM t2,t3
WHERE t3.name='xxx' AND t2.id=t3.id);
@@ -760,6 +767,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where
2 DEPENDENT SUBQUERY t2 unique_subquery PRIMARY PRIMARY 4 func 1 Using index; Using where
DROP TABLE t1, t2;
+set @@optimizer_switch=@save_optimizer_switch;
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES(1);
CREATE TABLE t2 (placeholder CHAR(11));
@@ -780,6 +788,15 @@ SELECT 1 FROM t1 WHERE t1.a NOT IN (SELECT 1 FROM t1, t2 WHERE 0);
1
1
DROP TABLE t1, t2;
+create table t1 (a int, b decimal(13, 3));
+insert into t1 values (1, 0.123);
+select a, (select max(b) from t1) into outfile "subselect.out.file.1" from t1;
+delete from t1;
+load data infile "subselect.out.file.1" into table t1;
+select * from t1;
+a b
+1 0.123
+drop table t1;
CREATE TABLE t1 (
pk INT PRIMARY KEY,
int_key INT,
@@ -865,11 +882,18 @@ Level Code Message
Note 1276 Field or reference 'test.t1.a' of SELECT #3 was resolved in SELECT #2
Note 1276 Field or reference 'test.t1.c' of SELECT #3 was resolved in SELECT #2
Error 1054 Unknown column 'c' in 'field list'
-Note 1003 select `c` AS `c` from (select (select count(`test`.`t1`.`a`) from dual group by `c`) AS `(SELECT COUNT(a) FROM
+Note 1003 select `c` AS `c` from (select <expr_cache><count(`test`.`t1`.`a`),`test`.`t1`.`c`>((select count(`test`.`t1`.`a`) from (select count(`test`.`t1`.`b`) AS `COUNT(b)` from `test`.`t1`) `x` group by `t1`.`c`)) AS `(SELECT COUNT(a) FROM
(SELECT COUNT(b) FROM t1) AS x GROUP BY c
)` from `test`.`t1` group by `test`.`t1`.`b`) `y`
DROP TABLE t1;
End of 5.0 tests
+#
+# BUG#36896: Server crash on SELECT FROM DUAL
+#
+create table t1 (a int);
+select 1 as res from dual where (1) in (select * from t1);
+res
+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 (
@@ -931,6 +955,8 @@ i1 i2
4 NULL
5 0
FLUSH STATUS;
+set @save_optimizer_switch2=@@optimizer_switch;
+set optimizer_switch='subquery_cache=off';
SELECT i1, i2
FROM t1
@@ -945,7 +971,7 @@ i1 i2
# Baseline:
SHOW STATUS LIKE '%Handler_read_rnd_next';
Variable_name Value
-Handler_read_rnd_next 17
+Handler_read_rnd_next 18
INSERT INTO t1 VALUES (NULL, NULL);
FLUSH STATUS;
@@ -962,9 +988,445 @@ i1 i2
# (read record from t1, but do not read from t2)
SHOW STATUS LIKE '%Handler_read_rnd_next';
Variable_name Value
-Handler_read_rnd_next 18
+Handler_read_rnd_next 19
+set @@optimizer_switch=@save_optimizer_switch2;
DROP TABLE t1,t2;
End of 5.1 tests
+CREATE TABLE t1 (
+a int(11) NOT NULL,
+b int(11) NOT NULL,
+c datetime default NULL,
+PRIMARY KEY (a),
+KEY idx_bc (b,c)
+);
+INSERT INTO t1 VALUES
+(406989,67,'2006-02-23 17:08:46'), (150078,67,'2005-10-26 11:17:45'),
+(406993,67,'2006-02-27 11:20:57'), (245655,67,'2005-12-08 15:59:08'),
+(406994,67,'2006-02-27 11:26:46'), (256,67,NULL),
+(398341,67,'2006-02-20 04:48:44'), (254,67,NULL),(1120,67,NULL),
+(406988,67,'2006-02-23 17:07:22'), (255,67,NULL),
+(398340,67,'2006-02-20 04:38:53'),(406631,67,'2006-02-23 10:49:42'),
+(245653,67,'2005-12-08 15:59:07'),(406992,67,'2006-02-24 16:47:18'),
+(245654,67,'2005-12-08 15:59:08'),(406995,67,'2006-02-28 11:55:00'),
+(127261,67,'2005-10-13 12:17:58'),(406991,67,'2006-02-24 16:42:32'),
+(245652,67,'2005-12-08 15:58:27'),(398545,67,'2006-02-20 04:53:13'),
+(154504,67,'2005-10-28 11:53:01'),(9199,67,NULL),(1,67,'2006-02-23 15:01:35'),
+(223456,67,NULL),(4101,67,NULL),(1133,67,NULL),
+(406990,67,'2006-02-23 18:01:45'),(148815,67,'2005-10-25 15:34:17'),
+(148812,67,'2005-10-25 15:30:01'),(245651,67,'2005-12-08 15:58:27'),
+(154503,67,'2005-10-28 11:52:38');
+create table t11 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) order by 3 asc;
+create table t12 select * from t1 where b = 67 AND (c IS NULL OR c > NOW()) order by 3 desc;
+create table t21 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 asc;
+create table t22 select * from t1 where b = 67 AND (c IS NULL OR c > '2005-12-08') order by 3 desc;
+update t22 set c = '2005-12-08 15:58:27' where a = 255;
+explain select t21.* from t21,t22 where t21.a = t22.a and
+t22.a in (select t12.a from t11, t12 where t11.a in(255,256) and t11.a = t12.a and t11.c is null) and t22.c is null order by t21.a;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 8 Using temporary; Using filesort
+1 PRIMARY t21 ALL NULL NULL NULL NULL 26 Using where; Using join buffer
+1 PRIMARY t22 ALL NULL NULL NULL NULL 26 Using where; Using join buffer
+2 SUBQUERY t11 ALL NULL NULL NULL NULL 8 Using where
+2 SUBQUERY t12 ALL NULL NULL NULL NULL 8 Using where; Using join buffer
+select t21.* from t21,t22 where t21.a = t22.a and
+t22.a in (select t12.a from t11, t12 where t11.a in(255,256) and t11.a = t12.a and t11.c is null) and t22.c is null order by t21.a;
+a b c
+256 67 NULL
+drop table t1, t11, t12, t21, t22;
+create table t1(a int);
+insert into t1 values (0),(1);
+set @@optimizer_switch='firstmatch=off';
+explain
+select (select max(Y.a) from t1 Y where a in (select a from t1 Z) and a < X.a) as subq from t1 X;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY X ALL NULL NULL NULL NULL 2
+2 DEPENDENT SUBQUERY Y ALL NULL NULL NULL NULL 2 Using where
+2 DEPENDENT SUBQUERY subselect3 eq_ref unique_key unique_key 5 func 1
+3 SUBQUERY Z ALL NULL NULL NULL NULL 2
+select (select max(Y.a) from t1 Y where a in (select a from t1 Z) and a < X.a) as subq from t1 X;
+subq
+NULL
+0
+set @@optimizer_switch=default;
+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 as select * from t0;
+insert into t1 select a+10 from t0;
+set @@optimizer_switch='firstmatch=off,materialization=off';
+insert into t0 values(2);
+explain select * from t1 where 2 in (select a from t0);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t0 ALL NULL NULL NULL NULL 11 Using where; Start temporary; End temporary
+1 PRIMARY t1 ALL NULL NULL NULL NULL 20 Using join buffer
+select * from t1 where 2 in (select a from t0);
+a
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+set @@optimizer_switch='default,materialization=off';
+explain select * from t1 where 2 in (select a from t0);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t0 ALL NULL NULL NULL NULL 11 Using where; FirstMatch
+1 PRIMARY t1 ALL NULL NULL NULL NULL 20 Using join buffer
+select * from t1 where 2 in (select a from t0);
+a
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+10
+11
+12
+13
+14
+15
+16
+17
+18
+19
+set @@optimizer_switch=default;
+explain select * from (select a from t0) X where a in (select a from t1);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY <derived2> ALL NULL NULL NULL NULL 11
+1 PRIMARY t1 ALL NULL NULL NULL NULL 20 Using where; FirstMatch(<derived2>)
+2 DERIVED t0 ALL NULL NULL NULL NULL 11
+drop table t0, t1;
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t1 (kp1 int, kp2 int, c int, filler char(100), key(kp1, kp2));
+insert into t1 select A.a+10*(B.a+10*C.a), 0, 0, 'filler' from t0 A, t0 B, t0 C;
+insert into t1 select * from t1 where kp1 < 20;
+create table t3 (a int);
+insert into t3 select A.a + 10*B.a from t0 A, t0 B;
+explain select * from t3 where a in (select kp1 from t1 where kp1<20);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using where; Using index; LooseScan
+1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where; Using join buffer
+create table t4 (pk int primary key);
+insert into t4 select a from t3;
+explain select * from t3 where a in (select t1.kp1 from t1,t4 where kp1<20
+and t4.pk=t1.c);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using index condition; Using MRR; LooseScan
+1 PRIMARY t4 eq_ref PRIMARY PRIMARY 4 test.t1.c 1 Using index; FirstMatch(t1)
+1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where; Using join buffer
+drop table t1, t3, t4;
+create table t1 (a int) as select * from t0 where a < 5;
+set @save_max_heap_table_size=@@max_heap_table_size;
+set @@optimizer_switch='firstmatch=off,materialization=off';
+set @@max_heap_table_size= 16384;
+explain select count(*) from t0 A, t0 B, t0 C, t0 D where D.a in (select a from t1 E);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY E ALL NULL NULL NULL NULL 5 Start temporary
+1 PRIMARY A ALL NULL NULL NULL NULL 10 Using join buffer
+1 PRIMARY B ALL NULL NULL NULL NULL 10 Using join buffer
+1 PRIMARY C ALL NULL NULL NULL NULL 10 Using join buffer
+1 PRIMARY D ALL NULL NULL NULL NULL 10 Using where; End temporary; Using join buffer
+flush status;
+select count(*) from t0 A, t0 B, t0 C, t0 D where D.a in (select a from t1 E);
+count(*)
+5000
+show status like 'Created_tmp_disk_tables';
+Variable_name Value
+Created_tmp_disk_tables 1
+set @save_max_heap_table_size=@@max_heap_table_size;
+set @@optimizer_switch=default;
+drop table t0, t1;
+create table t0 (a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t2(a int);
+insert into t2 values (1),(2);
+create table t3 ( a int , filler char(100), key(a));
+insert into t3 select A.a + 10*B.a, 'filler' from t0 A, t0 B;
+explain select * from t3 where a in (select a from t2) and (a > 5 or a < 10);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 2
+1 PRIMARY t3 ref a a 5 test.t2.a 1
+2 SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
+select * from t3 where a in (select a from t2);
+a filler
+1 filler
+2 filler
+drop table t0, t2, t3;
+set @@optimizer_switch='firstmatch=off,materialization=off';
+create table t1 (a date);
+insert into t1 values ('2008-01-01'),('2008-01-01'),('2008-02-01'),('2008-02-01');
+create table t2 (a int);
+insert into t2 values (1),(2);
+create table t3 (a char(10));
+insert into t3 select * from t1;
+insert into t3 values (1),(2);
+explain select * from t2 where a in (select a from t1);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Start temporary
+1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where; End temporary; Using join buffer
+explain select * from t2 where a in (select a from t2);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Start temporary
+1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where; End temporary; Using join buffer
+explain select * 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 ALL NULL NULL NULL NULL 2 Start temporary
+1 PRIMARY t3 ALL NULL NULL NULL NULL 6 Using where; End temporary; Using join buffer
+explain select * from t1 where a in (select a from t3);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Start temporary
+1 PRIMARY t3 ALL NULL NULL NULL NULL 6 Using where; End temporary; Using join buffer
+drop table t1, t2, t3;
+create table t1 (a decimal);
+insert into t1 values (1),(2);
+explain select * from t1 where a in (select a from t1);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Start temporary
+1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where; End temporary; Using join buffer
+drop table t1;
+set @@optimizer_switch=default;
+create table t1 (a int);
+insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t2 as select * from t1;
+create table t3 (a int, b int, filler char(100), key(a));
+insert into t3 select A.a + 10*B.a, A.a + 10*B.a, 'filler' from t1 A, t1 B, t1 C;
+explain select * from t1, t3 where t3.a in (select a from t2) and (t3.a < 10 or t3.a >30) and t1.a =3;
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 10 Using where
+1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 10
+1 PRIMARY t3 ref a a 5 test.t2.a 10
+2 SUBQUERY t2 ALL NULL NULL NULL NULL 10 Using where
+explain select straight_join * from t1 A, t1 B where A.a in (select a from t2);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY A ALL NULL NULL NULL NULL 10 Using where
+1 PRIMARY B ALL NULL NULL NULL NULL 10 Using join buffer
+2 SUBQUERY t2 ALL NULL NULL NULL NULL 10
+explain select * from t2 where a in (select straight_join A.a from t1 A, t1 B);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 ALL NULL NULL NULL NULL 10 Using where
+2 SUBQUERY A ALL NULL NULL NULL NULL 10
+2 SUBQUERY B ALL NULL NULL NULL NULL 10 Using join buffer
+explain select * from t2 where a in (select straight_join A.a from t1 A, t1 B);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t2 ALL NULL NULL NULL NULL 10 Using where
+2 SUBQUERY A ALL NULL NULL NULL NULL 10
+2 SUBQUERY B ALL NULL NULL NULL NULL 10 Using join buffer
+explain select straight_join * from t2 X, t2 Y
+where X.a in (select straight_join A.a from t1 A, t1 B);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY X ALL NULL NULL NULL NULL 10 Using where
+1 PRIMARY Y ALL NULL NULL NULL NULL 10 Using join buffer
+2 SUBQUERY A ALL NULL NULL NULL NULL 10
+2 SUBQUERY B ALL NULL NULL NULL NULL 10 Using join buffer
+create table t0 (a int, b int);
+insert into t0 values(1,1);
+explain select * from t0, t3 where t3.a in (select a from t2) and (t3.a < 10 or t3.a >30);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t0 system NULL NULL NULL NULL 1
+1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 10
+1 PRIMARY t3 ref a a 5 test.t2.a 10
+2 SUBQUERY t2 ALL NULL NULL NULL NULL 10 Using where
+create table t4 as select a as x, a as y from t1;
+explain select * from t0, t3 where (t3.a, t3.b) in (select x,y from t4) and (t3.a < 10 or t3.a >30);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t0 system NULL NULL NULL NULL 1
+1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 10
+1 PRIMARY t3 ref a a 5 test.t4.x 10 Using where
+2 SUBQUERY t4 ALL NULL NULL NULL NULL 10 Using where
+drop table t0,t1,t2,t3,t4;
+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, filler char(100), key(a,b));
+insert into t1 select A.a, B.a, 'filler' from t0 A, t0 B;
+create table t2 as select * from t1;
+explain select * from t2 where a in (select b from t1 where a=3);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 range a a 5 NULL 8 Using where; Using index; LooseScan
+1 PRIMARY t2 ALL NULL NULL NULL NULL 100 Using where; Using join buffer
+explain select * from t2 where (b,a) in (select a,b from t1 where a=3);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 range a a 5 NULL 8 Using where; Using index; LooseScan
+1 PRIMARY t2 ALL NULL NULL NULL NULL 100 Using where; Using join buffer
+drop table t1,t2;
+create table t1 (a int, b int);
+insert into t1 select a,a from t0;
+create table t2 (a int, b int);
+insert into t2 select A.a + 10*B.a, A.a + 10*B.a from t0 A, t0 B;
+set @@optimizer_switch='firstmatch=off';
+explain select * from t1 where (a,b) in (select a,b from t2);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 10
+1 PRIMARY subselect2 eq_ref unique_key unique_key 10 func 1
+2 SUBQUERY t2 ALL NULL NULL NULL NULL 100
+set @save_optimizer_search_depth=@@optimizer_search_depth;
+set @@optimizer_search_depth=63;
+explain select * from t1 where (a,b) in (select a,b from t2);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 10
+1 PRIMARY subselect2 eq_ref unique_key unique_key 10 func 1
+2 SUBQUERY t2 ALL NULL NULL NULL NULL 100
+set @@optimizer_search_depth=@save_optimizer_search_depth;
+set @@optimizer_switch=default;
+drop table t0, t1, t2;
+create table t0 (a decimal(4,2));
+insert into t0 values (10.24), (22.11);
+create table t1 as select * from t0;
+insert into t1 select * from t0;
+explain select * from t0 where a in (select a from t1);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t0 ALL NULL NULL NULL NULL 2
+1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where; FirstMatch(t0)
+select * from t0 where a in (select a from t1);
+a
+10.24
+22.11
+drop table t0, t1;
+create table t0(a date);
+insert into t0 values ('2008-01-01'),('2008-02-02');
+create table t1 as select * from t0;
+insert into t1 select * from t0;
+explain select * from t0 where a in (select a from t1);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t0 ALL NULL NULL NULL NULL 2
+1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where; FirstMatch(t0)
+select * from t0 where a in (select a from t1);
+a
+2008-01-01
+2008-02-02
+drop table t0, t1;
+create table t0(a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t1 as select a as a, a as b, a as c from t0 where a < 3;
+create table t2 as select a as a, a as b from t0 where a < 3;
+insert into t2 select * from t2;
+explain select * from t1 where (a,b,c) in (select X.a, Y.a, Z.a from t2 X, t2 Y, t2 Z where X.b=33);
+id select_type table type possible_keys key key_len ref rows Extra
+1 PRIMARY t1 ALL NULL NULL NULL NULL 3
+1 PRIMARY subselect2 eq_ref unique_key unique_key 15 func 1
+2 SUBQUERY X ALL NULL NULL NULL NULL 6 Using where
+2 SUBQUERY Y ALL NULL NULL NULL NULL 6 Using join buffer
+2 SUBQUERY Z ALL NULL NULL NULL NULL 6 Using join buffer
+drop table t0,t1,t2;
+
+BUG#37842: Assertion in DsMrr_impl::dsmrr_init, at handler.cc:4307
+
+CREATE TABLE t1 (
+`pk` int(11) NOT NULL AUTO_INCREMENT,
+`int_key` int(11) DEFAULT NULL,
+PRIMARY KEY (`pk`),
+KEY `int_key` (`int_key`)
+) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1,9),(2,3),(3,8),(4,6),(5,9),(6,5),(7,5),(8,9),(9,1),(10,10);
+SELECT `pk` FROM t1 AS OUTR WHERE `int_key` = ALL (
+SELECT `int_key` FROM t1 AS INNR WHERE INNR . `pk` >= 9
+);
+pk
+DROP TABLE t1;
+
+BUG#40118 Crash when running Batched Key Access and requiring one match for each key
+
+create table t0(a int);
+insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
+create table t1 (a int, key(a));
+insert into t1 select * from t0;
+alter table t1 add b int not null, add filler char(200);
+insert into t1 select * from t1;
+insert into t1 select * from t1;
+set @save_join_cache_level=@@join_cache_level;
+set join_cache_level=6;
+select * from t0 where t0.a in (select t1.a from t1 where t1.b=0);
+a
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+set join_cache_level=@save_join_cache_level;
+drop table t0, t1;
+#
+# BUG#32665 Query with dependent subquery is too slow
+#
+create table t1 (
+idIndividual int primary key
+);
+insert into t1 values (1),(2);
+create table t2 (
+idContact int primary key,
+contactType int,
+idObj int
+);
+insert into t2 values (1,1,1),(2,2,2),(3,3,3);
+create table t3 (
+idAddress int primary key,
+idContact int,
+postalStripped varchar(100)
+);
+insert into t3 values (1,1, 'foo'), (2,2,'bar');
+The following must be converted to a semi-join:
+explain extended SELECT a.idIndividual FROM t1 a
+WHERE a.idIndividual IN
+( SELECT c.idObj FROM t3 cona
+INNER JOIN t2 c ON c.idContact=cona.idContact
+WHERE cona.postalStripped='T2H3B2'
+ );
+id select_type table type possible_keys key key_len ref rows filtered Extra
+1 PRIMARY subselect2 ALL unique_key NULL NULL NULL 2 1.00
+1 PRIMARY a index PRIMARY PRIMARY 4 NULL 2 100.00 Using where; Using index; Using join buffer
+2 SUBQUERY cona ALL NULL NULL NULL NULL 2 100.00 Using where
+2 SUBQUERY c eq_ref PRIMARY PRIMARY 4 test.cona.idContact 1 100.00
+Warnings:
+Note 1003 select `test`.`a`.`idIndividual` AS `idIndividual` from `test`.`t1` `a` semi join (`test`.`t3` `cona` join `test`.`t2` `c`) where ((`test`.`c`.`idContact` = `test`.`cona`.`idContact`) and (`test`.`a`.`idIndividual` = `test`.`c`.`idObj`) and (`test`.`cona`.`postalStripped` = 'T2H3B2'))
+drop table t1,t2,t3;
+#
+# BUG#47367 Crash in Name_resolution_context::process_error
+#
+SET SESSION optimizer_switch = 'default,semijoin=off';
+CREATE TABLE t1 (f1 INTEGER);
+CREATE TABLE t2 LIKE t1;
+CREATE PROCEDURE p1 () BEGIN SELECT f1 FROM t1 WHERE f1 IN (SELECT f1 FROM t2); END|
+CALL p1;
+f1
+ALTER TABLE t2 CHANGE COLUMN f1 my_column INT;
+CALL p1;
+f1
+DROP PROCEDURE p1;
+# Restore the original column list of table t2:
+ALTER TABLE t2 CHANGE COLUMN my_column f1 INT;
+SET SESSION optimizer_switch = 'semijoin=on';
+# Recreate procedure so that we eliminate any caching effects
+CREATE PROCEDURE p1 () BEGIN SELECT f1 FROM t1 WHERE f1 IN (SELECT f1 FROM t2); END|
+CALL p1;
+f1
+ALTER TABLE t2 CHANGE COLUMN f1 my_column INT;
+CALL p1;
+ERROR 42S22: Unknown column 'f1' in 'where clause'
+DROP PROCEDURE p1;
+DROP TABLE t1, t2;
#
# BUG#48920: COUNT DISTINCT returns 1 for NULL values when in a subquery
# in the select list
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