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Commit 93b580cb authored by Igor Babaev's avatar Igor Babaev
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Merge.

parents 076507cc 22e6fc18
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mysql-test/r/func_group.result
View file @ 93b580cb
...@@ -1851,7 +1851,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1851,7 +1851,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 range a a 4 NULL 4 100.00 Using where; Using index; Using join buffer (flat, BNL join) 1 PRIMARY t1 range a a 4 NULL 4 100.00 Using where; Using index; Using join buffer (flat, BNL join)
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 5 100.00 Using where
Warnings: Warnings:
Note 1003 select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`b` = 2) and (`test`.`t2`.`a` = 1) and (`test`.`t1`.`a` < 10)) Note 1003 select max(`test`.`t1`.`a`) AS `MAX(a)` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`a` = 1) and (`test`.`t2`.`b` = 2) and (`test`.`t1`.`a` < 10))
SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT a,b FROM t2 WHERE b<5) and a<10; SELECT MAX(a) FROM t1 WHERE (1,2) IN (SELECT a,b FROM t2 WHERE b<5) and a<10;
MAX(a) MAX(a)
NULL NULL
......
mysql-test/r/group_min_max.result
View file @ 93b580cb
...@@ -1714,7 +1714,7 @@ explain extended select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a ...@@ -1714,7 +1714,7 @@ explain extended select distinct a1,a2,b,c from t1 where (a2 >= 'b') and (b = 'a
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index NULL idx_t1_1 163 NULL 128 50.78 Using where; Using index 1 SIMPLE t1 index NULL idx_t1_1 163 NULL 128 50.78 Using where; Using index
Warnings: Warnings:
Note 1003 select distinct `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where ((`test`.`t1`.`c` = 'i121') and (`test`.`t1`.`b` = 'a') and (`test`.`t1`.`a2` >= 'b')) Note 1003 select distinct `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`a2` AS `a2`,`test`.`t1`.`b` AS `b`,`test`.`t1`.`c` AS `c` from `test`.`t1` where ((`test`.`t1`.`b` = 'a') and (`test`.`t1`.`c` = 'i121') and (`test`.`t1`.`a2` >= 'b'))
explain select distinct a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c'); explain select distinct a1,a2,b from t1 where (a1 > 'a') and (a2 > 'a') and (b = 'c');
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 14 Using where; Using index for group-by 1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 14 Using where; Using index for group-by
...@@ -1731,7 +1731,7 @@ explain extended select distinct a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a ...@@ -1731,7 +1731,7 @@ explain extended select distinct a1,a2,b,c from t2 where (a2 >= 'b') and (b = 'a
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t2 index NULL idx_t2_1 163 NULL 164 50.61 Using where; Using index 1 SIMPLE t2 index NULL idx_t2_1 163 NULL 164 50.61 Using where; Using index
Warnings: Warnings:
Note 1003 select distinct `test`.`t2`.`a1` AS `a1`,`test`.`t2`.`a2` AS `a2`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where ((`test`.`t2`.`c` = 'i121') and (`test`.`t2`.`b` = 'a') and (`test`.`t2`.`a2` >= 'b')) Note 1003 select distinct `test`.`t2`.`a1` AS `a1`,`test`.`t2`.`a2` AS `a2`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t2` where ((`test`.`t2`.`b` = 'a') and (`test`.`t2`.`c` = 'i121') and (`test`.`t2`.`a2` >= 'b'))
explain select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c'); explain select distinct a1,a2,b from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c');
id select_type table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by 1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by
......
mysql-test/r/having.result
View file @ 93b580cb
...@@ -473,7 +473,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -473,7 +473,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE table2 const PRIMARY PRIMARY 4 const 1 100.00 Using filesort 1 SIMPLE table2 const PRIMARY PRIMARY 4 const 1 100.00 Using filesort
1 SIMPLE table1 ALL NULL NULL NULL NULL 4 100.00 Using where 1 SIMPLE table1 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`table1`.`f1` AS `f1`,7 AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where ((`test`.`table1`.`f3` = 9)) group by `test`.`table1`.`f1`,7 having ((7 = 8) and (`test`.`table1`.`f1` >= 6)) Note 1003 select `test`.`table1`.`f1` AS `f1`,7 AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where (`test`.`table1`.`f3` = 9) group by `test`.`table1`.`f1`,7 having ((7 = 8) and (`test`.`table1`.`f1` >= 6))
EXPLAIN EXTENDED EXPLAIN EXTENDED
SELECT table1.f1, table2.f2 SELECT table1.f1, table2.f2
FROM t1 AS table1 FROM t1 AS table1
...@@ -485,7 +485,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -485,7 +485,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE table2 const PRIMARY PRIMARY 4 const 1 100.00 Using filesort 1 SIMPLE table2 const PRIMARY PRIMARY 4 const 1 100.00 Using filesort
1 SIMPLE table1 ALL NULL NULL NULL NULL 4 100.00 Using where 1 SIMPLE table1 ALL NULL NULL NULL NULL 4 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`table1`.`f1` AS `f1`,7 AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where ((`test`.`table1`.`f3` = 9)) group by `test`.`table1`.`f1`,7 having (7 = 8) Note 1003 select `test`.`table1`.`f1` AS `f1`,7 AS `f2` from `test`.`t1` `table1` join `test`.`t1` `table2` where (`test`.`table1`.`f3` = 9) group by `test`.`table1`.`f1`,7 having (7 = 8)
DROP TABLE t1; DROP TABLE t1;
# #
# Bug#52336 Segfault / crash in 5.1 copy_fields (param=0x9872980) at sql_select.cc:15355 # Bug#52336 Segfault / crash in 5.1 copy_fields (param=0x9872980) at sql_select.cc:15355
......
mysql-test/r/join_nested.result
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mysql-test/r/join_nested_jcl6.result
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mysql-test/r/row.result
View file @ 93b580cb
...@@ -405,7 +405,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -405,7 +405,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index PRIMARY PRIMARY 8 NULL 6 100.00 Using index 1 SIMPLE t1 index PRIMARY PRIMARY 8 NULL 6 100.00 Using index
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 12 test.t1.a,const,const 1 100.00 Using index 1 SIMPLE t2 eq_ref PRIMARY PRIMARY 12 test.t1.a,const,const 1 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`c` = 1) and (`test`.`t2`.`b` = 2) and (`test`.`t2`.`a` = `test`.`t1`.`a`)) Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`a`) and (`test`.`t2`.`b` = 2) and (`test`.`t2`.`c` = 1))
SELECT * FROM t1,t2 WHERE (t2.a,(t2.b,t2.c))=(t1.a,(2,1)); SELECT * FROM t1,t2 WHERE (t2.a,(t2.b,t2.c))=(t1.a,(2,1));
a b a b c a b a b c
1 1 1 2 1 1 1 1 2 1
...@@ -415,7 +415,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -415,7 +415,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 index PRIMARY PRIMARY 8 NULL 6 100.00 Using index 1 SIMPLE t1 index PRIMARY PRIMARY 8 NULL 6 100.00 Using index
1 SIMPLE t2 eq_ref PRIMARY PRIMARY 12 test.t1.a,const,const 1 100.00 Using index 1 SIMPLE t2 eq_ref PRIMARY PRIMARY 12 test.t1.a,const,const 1 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`c` = 1) and (`test`.`t2`.`b` = 2) and (`test`.`t2`.`a` = `test`.`t1`.`a`)) Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,`test`.`t2`.`c` AS `c` from `test`.`t1` join `test`.`t2` where ((`test`.`t2`.`a` = `test`.`t1`.`a`) and (`test`.`t2`.`b` = 2) and (`test`.`t2`.`c` = 1))
SELECT * FROM t1,t2 WHERE t2.a=t1.a AND (t2.b,t2.c)=(2,1); SELECT * FROM t1,t2 WHERE t2.a=t1.a AND (t2.b,t2.c)=(2,1);
a b a b c a b a b c
1 1 1 2 1 1 1 1 2 1
......
mysql-test/r/subselect.result
View file @ 93b580cb
...@@ -1460,7 +1460,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1460,7 +1460,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index 1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t3`.`a` = `test`.`t1`.`b`)) Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (`test`.`t1`.`a` = `test`.`t2`.`a`))
drop table t1, t2, t3; drop table t1, t2, t3;
create table t1 (a int, b int, index a (a,b)); create table t1 (a int, b int, index a (a,b));
create table t2 (a int, index a (a)); create table t2 (a int, index a (a));
...@@ -1503,7 +1503,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1503,7 +1503,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index 1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index
1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2) 1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2)
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`)) Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`b` = `test`.`t3`.`a`) and (`test`.`t1`.`a` = `test`.`t2`.`a`))
insert into t1 values (3,31); insert into t1 values (3,31);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30); select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a a
...@@ -2976,7 +2976,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -2976,7 +2976,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 8 func,func 1 100.00 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 8 func,func 1 100.00
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`flag` = 'N')) Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where (`test`.`t2`.`flag` = 'N')
explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1; explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
......
mysql-test/r/subselect3.result
View file @ 93b580cb
...@@ -313,7 +313,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -313,7 +313,7 @@ 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 2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 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`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`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)) Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`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`.`a` = 10) and (`test`.`t2`.`b` = 10))
drop table t1, t2; drop table t1, t2;
create table t1 (oref char(4), grp int, ie int); create table t1 (oref char(4), grp int, ie int);
insert into t1 (oref, grp, ie) values insert into t1 (oref, grp, ie) values
...@@ -1416,7 +1416,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1416,7 +1416,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY c eq_ref PRIMARY PRIMARY 4 test.cona.idContact 1 100.00 Using where 1 PRIMARY c eq_ref PRIMARY PRIMARY 4 test.cona.idContact 1 100.00 Using where
1 PRIMARY a eq_ref PRIMARY PRIMARY 4 test.c.idObj 1 100.00 Using index; End temporary 1 PRIMARY a eq_ref PRIMARY PRIMARY 4 test.c.idObj 1 100.00 Using index; End temporary
Warnings: 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')) Note 1003 select `test`.`a`.`idIndividual` AS `idIndividual` from `test`.`t1` `a` semi join (`test`.`t3` `cona` join `test`.`t2` `c`) where ((`test`.`cona`.`postalStripped` = 'T2H3B2') and (`test`.`a`.`idIndividual` = `test`.`c`.`idObj`) and (`test`.`c`.`idContact` = `test`.`cona`.`idContact`))
set @@optimizer_switch=@save_optimizer_switch; set @@optimizer_switch=@save_optimizer_switch;
drop table t1,t2,t3; drop table t1,t2,t3;
# #
......
mysql-test/r/subselect3_jcl6.result
View file @ 93b580cb
...@@ -323,7 +323,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -323,7 +323,7 @@ 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 2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
Warnings: Warnings:
Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1 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`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`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)) Note 1003 select `test`.`t2`.`oref` AS `oref`,`test`.`t2`.`a` AS `a`,`test`.`t2`.`b` AS `b`,<expr_cache><`test`.`t2`.`a`,`test`.`t2`.`b`,`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`.`a` = 10) and (`test`.`t2`.`b` = 10))
drop table t1, t2; drop table t1, t2;
create table t1 (oref char(4), grp int, ie int); create table t1 (oref char(4), grp int, ie int);
insert into t1 (oref, grp, ie) values insert into t1 (oref, grp, ie) values
...@@ -1426,7 +1426,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1426,7 +1426,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY c eq_ref PRIMARY PRIMARY 4 test.cona.idContact 1 100.00 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan 1 PRIMARY c eq_ref PRIMARY PRIMARY 4 test.cona.idContact 1 100.00 Using where; Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan
1 PRIMARY a eq_ref PRIMARY PRIMARY 4 test.c.idObj 1 100.00 Using index; End temporary 1 PRIMARY a eq_ref PRIMARY PRIMARY 4 test.c.idObj 1 100.00 Using index; End temporary
Warnings: 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')) Note 1003 select `test`.`a`.`idIndividual` AS `idIndividual` from `test`.`t1` `a` semi join (`test`.`t3` `cona` join `test`.`t2` `c`) where ((`test`.`cona`.`postalStripped` = 'T2H3B2') and (`test`.`a`.`idIndividual` = `test`.`c`.`idObj`) and (`test`.`c`.`idContact` = `test`.`cona`.`idContact`))
set @@optimizer_switch=@save_optimizer_switch; set @@optimizer_switch=@save_optimizer_switch;
drop table t1,t2,t3; drop table t1,t2,t3;
# #
......
mysql-test/r/subselect_mat.result
View file @ 93b580cb
...@@ -1896,7 +1896,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1896,7 +1896,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t1 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3 100.00
Warnings: Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from <materialize> (select max(`test`.`t2`.`c`) from `test`.`t2`) join `test`.`t1` where ((`test`.`t1`.`a` = `<subquery2>`.`MAX(c)`) and (`test`.`t1`.`b` = 7) and (isnull(`<subquery2>`.`MAX(c)`) or (`<subquery2>`.`MAX(c)` = 7))) Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from <materialize> (select max(`test`.`t2`.`c`) from `test`.`t2`) join `test`.`t1` where ((`test`.`t1`.`b` = 7) and (`test`.`t1`.`a` = `<subquery2>`.`MAX(c)`) and (isnull(`<subquery2>`.`MAX(c)`) or (`<subquery2>`.`MAX(c)` = 7)))
SELECT * FROM t1 SELECT * FROM t1
WHERE a IN (SELECT MAX(c) FROM t2) AND b=7 AND (a IS NULL OR a=b); WHERE a IN (SELECT MAX(c) FROM t2) AND b=7 AND (a IS NULL OR a=b);
a b a b
......
mysql-test/r/subselect_mat_cost_bugs.result
View file @ 93b580cb
...@@ -100,7 +100,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -100,7 +100,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 index c3 c3 9 NULL 2 100.00 Using where; Using index; Using join buffer (flat, BNL join) 2 DEPENDENT SUBQUERY t2 index c3 c3 9 NULL 2 100.00 Using where; Using index; Using join buffer (flat, BNL join)
Warnings: Warnings:
Note 1276 Field or reference 'test.t1.pk' of SELECT #2 was resolved in SELECT #1 Note 1276 Field or reference 'test.t1.pk' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` where <expr_cache><`test`.`t1`.`c1`,`test`.`t1`.`pk`>(<in_optimizer>(`test`.`t1`.`c1`,<exists>(select `test`.`t1a`.`c1` from `test`.`t1b` join `test`.`t2` left join `test`.`t1a` on((2 and (`test`.`t1a`.`c2` = `test`.`t1b`.`pk`))) where ((`test`.`t1`.`pk` <> 0) and (<cache>(`test`.`t1`.`c1`) = `test`.`t1a`.`c1`) and (`test`.`t2`.`c3` = `test`.`t1b`.`c4`))))) Note 1003 select `test`.`t1`.`pk` AS `pk` from `test`.`t1` where <expr_cache><`test`.`t1`.`c1`,`test`.`t1`.`pk`>(<in_optimizer>(`test`.`t1`.`c1`,<exists>(select `test`.`t1a`.`c1` from `test`.`t1b` join `test`.`t2` left join `test`.`t1a` on(((`test`.`t1a`.`c2` = `test`.`t1b`.`pk`) and 2)) where ((`test`.`t1`.`pk` <> 0) and (<cache>(`test`.`t1`.`c1`) = `test`.`t1a`.`c1`) and (`test`.`t2`.`c3` = `test`.`t1b`.`c4`)))))
SELECT pk SELECT pk
FROM t1 FROM t1
WHERE c1 IN WHERE c1 IN
......
mysql-test/r/subselect_no_mat.result
View file @ 93b580cb
...@@ -1467,7 +1467,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1467,7 +1467,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index 1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t3`.`a` = `test`.`t1`.`b`)) Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (`test`.`t1`.`a` = `test`.`t2`.`a`))
drop table t1, t2, t3; drop table t1, t2, t3;
create table t1 (a int, b int, index a (a,b)); create table t1 (a int, b int, index a (a,b));
create table t2 (a int, index a (a)); create table t2 (a int, index a (a));
...@@ -1510,7 +1510,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1510,7 +1510,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index 1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index
1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2) 1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2)
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`)) Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`b` = `test`.`t3`.`a`) and (`test`.`t1`.`a` = `test`.`t2`.`a`))
insert into t1 values (3,31); insert into t1 values (3,31);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30); select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a a
...@@ -2982,7 +2982,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -2982,7 +2982,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 9 100.00 Using where; FirstMatch(t1) 1 PRIMARY t2 ALL NULL NULL NULL NULL 9 100.00 Using where; FirstMatch(t1)
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`two` = `test`.`t1`.`two`) and (`test`.`t2`.`one` = `test`.`t1`.`one`) and (`test`.`t2`.`flag` = 'N')) Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`flag` = 'N') and (`test`.`t2`.`one` = `test`.`t1`.`one`) and (`test`.`t2`.`two` = `test`.`t1`.`two`))
explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1; explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
......
mysql-test/r/subselect_no_scache.result
View file @ 93b580cb
...@@ -1466,7 +1466,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1466,7 +1466,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join) 1 PRIMARY t1 ALL PRIMARY NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index 1 PRIMARY t3 eq_ref PRIMARY PRIMARY 4 test.t1.b 1 100.00 Using index
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t3`.`a` = `test`.`t1`.`b`)) Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t1` join `test`.`t3` join `test`.`t2` where ((`test`.`t3`.`a` = `test`.`t1`.`b`) and (`test`.`t1`.`a` = `test`.`t2`.`a`))
drop table t1, t2, t3; drop table t1, t2, t3;
create table t1 (a int, b int, index a (a,b)); create table t1 (a int, b int, index a (a,b));
create table t2 (a int, index a (a)); create table t2 (a int, index a (a));
...@@ -1509,7 +1509,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1509,7 +1509,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index 1 PRIMARY t3 index a a 5 NULL 3 100.00 Using where; Using index
1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2) 1 PRIMARY t1 ref a a 10 test.t2.a,test.t3.a 116 100.00 Using index; FirstMatch(t2)
Warnings: Warnings:
Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`a` = `test`.`t2`.`a`) and (`test`.`t1`.`b` = `test`.`t3`.`a`)) Note 1003 select `test`.`t2`.`a` AS `a` from `test`.`t2` semi join (`test`.`t1` join `test`.`t3`) where ((`test`.`t1`.`b` = `test`.`t3`.`a`) and (`test`.`t1`.`a` = `test`.`t2`.`a`))
insert into t1 values (3,31); insert into t1 values (3,31);
select * from t2 where t2.a in (select a from t1 where t1.b <> 30); select * from t2 where t2.a in (select a from t1 where t1.b <> 30);
a a
...@@ -2982,7 +2982,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -2982,7 +2982,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 8 func,func 1 100.00 1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 8 func,func 1 100.00
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where 2 MATERIALIZED t2 ALL NULL NULL NULL NULL 9 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where ((`test`.`t2`.`flag` = 'N')) Note 1003 select `test`.`t1`.`one` AS `one`,`test`.`t1`.`two` AS `two` from `test`.`t1` semi join (`test`.`t2`) where (`test`.`t2`.`flag` = 'N')
explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1; explain extended SELECT one,two,ROW(one,two) IN (SELECT one,two FROM t2 WHERE flag = '0' group by one,two) as 'test' from t1;
id select_type table type possible_keys key key_len ref rows filtered Extra id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00 1 PRIMARY t1 ALL NULL NULL NULL NULL 8 100.00
......
mysql-test/r/subselect_sj.result
View file @ 93b580cb
This diff is collapsed.
mysql-test/r/subselect_sj2.result
View file @ 93b580cb
...@@ -459,7 +459,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -459,7 +459,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref a a 5 test.t0.a 1 100.00 Using where; FirstMatch(t2) 1 PRIMARY t1 ref a a 5 test.t0.a 1 100.00 Using where; FirstMatch(t2)
Warnings: Warnings:
Note 1276 Field or reference 'test.t0.a' of SELECT #2 was resolved in SELECT #1 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`.`t1`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`a` = `test`.`t0`.`a`)) 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`))
update t1 set a=3, b=11 where a=4; update t1 set a=3, b=11 where a=4;
update t2 set b=11 where a=3; update t2 set b=11 where a=3;
select * from t0 where t0.a in select * from t0 where t0.a in
......
mysql-test/r/subselect_sj2_jcl6.result
View file @ 93b580cb
...@@ -471,7 +471,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -471,7 +471,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
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 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: Warnings:
Note 1276 Field or reference 'test.t0.a' of SELECT #2 was resolved in SELECT #1 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`.`t1`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`a` = `test`.`t0`.`a`)) 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`))
update t1 set a=3, b=11 where a=4; update t1 set a=3, b=11 where a=4;
update t2 set b=11 where a=3; update t2 set b=11 where a=3;
# Not anymore: # Not anymore:
......
mysql-test/r/subselect_sj2_mat.result
View file @ 93b580cb
...@@ -461,7 +461,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -461,7 +461,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ref a a 5 test.t0.a 1 100.00 Using where; FirstMatch(t2) 1 PRIMARY t1 ref a a 5 test.t0.a 1 100.00 Using where; FirstMatch(t2)
Warnings: Warnings:
Note 1276 Field or reference 'test.t0.a' of SELECT #2 was resolved in SELECT #1 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`.`t1`.`b` = `test`.`t2`.`b`) and (`test`.`t2`.`a` = `test`.`t0`.`a`) and (`test`.`t1`.`a` = `test`.`t0`.`a`)) 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`))
update t1 set a=3, b=11 where a=4; update t1 set a=3, b=11 where a=4;
update t2 set b=11 where a=3; update t2 set b=11 where a=3;
select * from t0 where t0.a in select * from t0 where t0.a in
...@@ -1229,3 +1229,55 @@ count(*) ...@@ -1229,3 +1229,55 @@ count(*)
2 2
DROP TABLE t1,t2,t3,t4; DROP TABLE t1,t2,t3,t4;
set optimizer_switch=@save_optimizer_switch; set optimizer_switch=@save_optimizer_switch;
#
# mdev-3913: LEFT JOIN with materialized multi-table IN subquery in WHERE
#
set @save_optimizer_switch=@@optimizer_switch;
CREATE TABLE t1 (a1 char(1), b1 char(1), index idx(b1,a1));
INSERT INTO t1 VALUES ('f','c'),('d','m'),('g','y');
INSERT INTO t1 VALUES ('f','c'),('d','m'),('g','y');
CREATE TABLE t2 (a2 char(1), b2 char(1));
INSERT INTO t2 VALUES ('y','y'),('y','y'),('w','w');
CREATE TABLE t3 (a3 int);
INSERT INTO t3 VALUES (8),(6);
CREATE TABLE t4 (a4 char(1), b4 char(1));
INSERT INTO t4 VALUES ('y','y'),('y','y'),('w','w');
set optimizer_switch='materialization=off';
EXPLAIN EXTENDED
SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 )
WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4);
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 Start temporary
1 PRIMARY t4 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t1 ref idx idx 2 test.t4.a4 1 100.00 Using index; End temporary
1 PRIMARY t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`b1` AS `b1`,`test`.`t2`.`a2` AS `a2`,`test`.`t2`.`b2` AS `b2` from `test`.`t1` semi join (`test`.`t3` join `test`.`t4`) left join `test`.`t2` on((`test`.`t2`.`a2` = `test`.`t4`.`a4`)) where ((`test`.`t4`.`b4` = `test`.`t4`.`a4`) and (`test`.`t1`.`b1` = `test`.`t4`.`a4`))
SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 )
WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4);
a1 b1 a2 b2
g y y y
g y y y
g y y y
g y y y
set optimizer_switch='materialization=on';
EXPLAIN EXTENDED
SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 )
WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 3 100.00
1 PRIMARY t1 ref idx idx 2 test.t4.a4 1 100.00 Using index
1 PRIMARY t2 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 100.00
2 MATERIALIZED t4 ALL NULL NULL NULL NULL 3 100.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`a1` AS `a1`,`test`.`t1`.`b1` AS `b1`,`test`.`t2`.`a2` AS `a2`,`test`.`t2`.`b2` AS `b2` from `test`.`t1` semi join (`test`.`t3` join `test`.`t4`) left join `test`.`t2` on(((`test`.`t1`.`b1` = `test`.`t4`.`a4`) and (`test`.`t2`.`a2` = `test`.`t4`.`a4`))) where ((`test`.`t4`.`b4` = `test`.`t4`.`a4`) and (`test`.`t1`.`b1` = `test`.`t4`.`a4`))
SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 )
WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4);
a1 b1 a2 b2
g y y y
g y y y
g y y y
g y y y
DROP TABLE t1,t2,t3,t4;
set optimizer_switch=@save_optimizer_switch;
mysql-test/r/subselect_sj_jcl6.result
View file @ 93b580cb
This diff is collapsed.
mysql-test/r/subselect_sj_mat.result
View file @ 93b580cb
This diff is collapsed.
mysql-test/r/view.result
View file @ 93b580cb
...@@ -1422,7 +1422,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra ...@@ -1422,7 +1422,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where 1 SIMPLE t1 ALL NULL NULL NULL NULL 3 100.00 Using where
1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where 1 SIMPLE t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings: Warnings:
Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `b` from `test`.`t3` left join (`test`.`t1` left join `test`.`t2` on(((`test`.`t1`.`a` = `test`.`t3`.`a`) and (`test`.`t2`.`a` = `test`.`t3`.`a`)))) on((`test`.`t1`.`a` = `test`.`t3`.`a`)) where 1 Note 1003 select `test`.`t3`.`a` AS `a`,`test`.`t1`.`a` AS `a`,`test`.`t2`.`a` AS `b` from `test`.`t3` left join (`test`.`t1` left join `test`.`t2` on((`test`.`t2`.`a` = `test`.`t3`.`a`))) on((`test`.`t1`.`a` = `test`.`t3`.`a`)) where 1
create view v1 (a) as select a from t1; create view v1 (a) as select a from t1;
create view v2 (a) as select a from t2; create view v2 (a) as select a from t2;
create view v4 (a,b) as select v1.a as a, v2.a as b from v1 left join v2 on (v1.a=v2.a); create view v4 (a,b) as select v1.a as a, v2.a as b from v1 left join v2 on (v1.a=v2.a);
......
mysql-test/t/subselect_sj2_mat.test
View file @ 93b580cb
...@@ -36,7 +36,6 @@ WHERE a IN ...@@ -36,7 +36,6 @@ WHERE a IN
DROP TABLE t1, t2; DROP TABLE t1, t2;
set max_join_size= @tmp_906385; set max_join_size= @tmp_906385;
--echo # --echo #
--echo # mdev-3995: Wrong result for semijoin with materialization --echo # mdev-3995: Wrong result for semijoin with materialization
--echo # --echo #
...@@ -139,3 +138,42 @@ SELECT count(*) FROM t1, t3 ...@@ -139,3 +138,42 @@ SELECT count(*) FROM t1, t3
DROP TABLE t1,t2,t3,t4; DROP TABLE t1,t2,t3,t4;
set optimizer_switch=@save_optimizer_switch; set optimizer_switch=@save_optimizer_switch;
--echo #
--echo # mdev-3913: LEFT JOIN with materialized multi-table IN subquery in WHERE
--echo #
set @save_optimizer_switch=@@optimizer_switch;
CREATE TABLE t1 (a1 char(1), b1 char(1), index idx(b1,a1));
INSERT INTO t1 VALUES ('f','c'),('d','m'),('g','y');
INSERT INTO t1 VALUES ('f','c'),('d','m'),('g','y');
CREATE TABLE t2 (a2 char(1), b2 char(1));
INSERT INTO t2 VALUES ('y','y'),('y','y'),('w','w');
CREATE TABLE t3 (a3 int);
INSERT INTO t3 VALUES (8),(6);
CREATE TABLE t4 (a4 char(1), b4 char(1));
INSERT INTO t4 VALUES ('y','y'),('y','y'),('w','w');
set optimizer_switch='materialization=off';
EXPLAIN EXTENDED
SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 )
WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4);
SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 )
WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4);
set optimizer_switch='materialization=on';
EXPLAIN EXTENDED
SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 )
WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4);
SELECT * FROM t1 LEFT JOIN t2 ON ( b1 = a2 )
WHERE ( b1, b1 ) IN ( SELECT a4, b4 FROM t3, t4);
DROP TABLE t1,t2,t3,t4;
set optimizer_switch=@save_optimizer_switch;
sql/item_cmpfunc.h
View file @ 93b580cb
...@@ -1582,6 +1582,11 @@ class Item_cond :public Item_bool_func ...@@ -1582,6 +1582,11 @@ class Item_cond :public Item_bool_func
DBUG_ASSERT(nlist->elements); DBUG_ASSERT(nlist->elements);
list.prepand(nlist); list.prepand(nlist);
} }
void add_at_end(List<Item> *nlist)
{
DBUG_ASSERT(nlist->elements);
list.concat(nlist);
}
bool fix_fields(THD *, Item **ref); bool fix_fields(THD *, Item **ref);
void fix_after_pullout(st_select_lex *new_parent, Item **ref); void fix_after_pullout(st_select_lex *new_parent, Item **ref);
......
sql/sql_list.h
View file @ 93b580cb
...@@ -284,13 +284,15 @@ class base_list :public Sql_alloc ...@@ -284,13 +284,15 @@ class base_list :public Sql_alloc
if (node == &end_of_list) if (node == &end_of_list)
return; return;
} }
*prev= *last; *prev= &end_of_list;
last= prev; last= prev;
} }
inline void prepand(base_list *list) inline void prepand(base_list *list)
{ {
if (!list->is_empty()) if (!list->is_empty())
{ {
if (is_empty())
last= list->last;
*list->last= first; *list->last= first;
first= list->first; first= list->first;
elements+= list->elements; elements+= list->elements;
......
sql/sql_select.cc
View file @ 93b580cb
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