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Commit 4cd676cb authored by unknown's avatar unknown
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MDEV-6047: Make exists_to_in optimization ON by default

parent 23a5b2eb
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Showing with 189 additions and 172 deletions
mysql-test/r/derived_view.result
View file @ 4cd676cb
......@@ -1288,7 +1288,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1276 Field or reference 't.a' of SELECT #3 was resolved in SELECT #1
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists(select 28 from `test`.`t3` where ('j' < `test`.`t1`.`a`)))
Note 1003 select `test`.`t1`.`a` AS `a` from `test`.`t1` where <in_optimizer>(1,<expr_cache><`test`.`t1`.`a`>(exists(select 28 from `test`.`t3` where ('j' < `test`.`t1`.`a`))))
SELECT * FROM (SELECT * FROM t1) AS t
WHERE EXISTS (SELECT t2.a FROM t3 RIGHT JOIN t2 ON (t3.a = t2.a)
WHERE t2.b < t.a);
......
mysql-test/r/fulltext.result
View file @ 4cd676cb
......@@ -602,8 +602,8 @@ WHERE t3.a=t1.a AND MATCH(b2) AGAINST('scargill' IN BOOLEAN MODE)
);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 fulltext b2 b2 0 1 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED t2 fulltext b2 b2 0 1 Using where
2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where
# should return 0
SELECT count(*) FROM t1 WHERE
not exists(
......
mysql-test/r/group_min_max.result
View file @ 4cd676cb
......@@ -1358,8 +1358,9 @@ explain select a1,a2,b,min(c),max(c) from t1
where exists ( select * from t2 where t2.c = t1.c )
group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using where; Using index
2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using index
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 16 func 1
2 MATERIALIZED t2 index NULL idx_t2_1 163 NULL 164 Using index
select a1,a2,b,min(c),max(c) from t1
where exists ( select * from t2 where t2.c = t1.c )
group by a1,a2,b;
......@@ -1384,7 +1385,7 @@ explain select a1,a2,b,min(c),max(c) from t1
where exists ( select * from t2 where t2.c > 'b1' )
group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range NULL idx_t1_1 147 NULL 17 Using where; Using index for group-by
1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using index
2 SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
select a1,a2,b,min(c),max(c) from t1
where exists ( select * from t2 where t2.c > 'b1' )
......@@ -1410,20 +1411,20 @@ explain select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2 where t1.b > 'a' and t2.c > 'b1' )
group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range NULL idx_t1_1 147 NULL 17 Using where; Using index for group-by
1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using where; Using index
2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2 where t1.b > 'a' and t2.c > 'b1' )
group by a1,a2,b;
a1 a2 b c min(c) max(c)
a a b h112 e112 h112
a b b p122 m122 p122
b a b h212 e212 h212
b b b p222 m222 p222
c a b h312 e312 h312
c b b p322 m322 p322
d a b h412 e412 h412
d b b p422 m422 p422
a a b e112 e112 h112
a b b m122 m122 p122
b a b e212 e212 h212
b b b m222 m222 p222
c a b e312 e312 h312
c b b m322 m322 p322
d a b e412 e412 h412
d b b m422 m422 p422
SET @save_optimizer_switch=@@optimizer_switch;
SET optimizer_switch='semijoin_with_cache=off';
explain select a1,a2,b,c,min(c), max(c) from t1
......@@ -1432,7 +1433,7 @@ where t2.c in (select c from t3 where t3.c > t1.b) and
t2.c > 'b1' )
group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range NULL idx_t1_1 147 NULL 17 Using where; Using index for group-by
1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using where; Using index
2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
2 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index; FirstMatch(t2)
select a1,a2,b,c,min(c), max(c) from t1
......@@ -1441,22 +1442,22 @@ where t2.c in (select c from t3 where t3.c > t1.b) and
t2.c > 'b1' )
group by a1,a2,b;
a1 a2 b c min(c) max(c)
a a a d111 a111 d111
a a b h112 e112 h112
a b a l121 i121 l121
a b b p122 m122 p122
b a a d211 a211 d211
b a b h212 e212 h212
b b a l221 i221 l221
b b b p222 m222 p222
c a a d311 a311 d311
c a b h312 e312 h312
c b a l321 i321 l321
c b b p322 m322 p322
d a a d411 a411 d411
d a b h412 e412 h412
d b a l421 i421 l421
d b b p422 m422 p422
a a a a111 a111 d111
a a b e112 e112 h112
a b a i121 i121 l121
a b b m122 m122 p122
b a a a211 a211 d211
b a b e212 e212 h212
b b a i221 i221 l221
b b b m222 m222 p222
c a a a311 a311 d311
c a b e312 e312 h312
c b a i321 i321 l321
c b b m322 m322 p322
d a a a411 a411 d411
d a b e412 e412 h412
d b a i421 i421 l421
d b b m422 m422 p422
SET optimizer_switch=@save_optimizer_switch;
explain select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2 where t1.c > 'a' and t2.c > 'b1' )
......
mysql-test/r/index_merge_myisam.result
View file @ 4cd676cb
......@@ -552,9 +552,9 @@ explain select * from t1
where exists (select 1 from t2, t3
where t2.a=t1.a and (t3.a=t2.b or t3.b=t2.b or t3.b=t2.b+1));
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t3 ALL a,b NULL NULL NULL 1002 Range checked for each record (index map: 0x3)
1 PRIMARY t1 ALL NULL NULL NULL NULL 2
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
1 PRIMARY t3 ALL a,b NULL NULL NULL 1002 Range checked for each record (index map: 0x3); FirstMatch(t1)
select * from t1
where exists (select 1 from t2, t3
where t2.a=t1.a and (t3.a=t2.b or t3.b=t2.b or t3.b=t2.b+1));
......
mysql-test/r/mysqld--help.result
View file @ 4cd676cb
......@@ -1207,7 +1207,7 @@ old-style-user-limits FALSE
optimizer-prune-level 1
optimizer-search-depth 62
optimizer-selectivity-sampling-limit 100
optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on
optimizer-switch index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on
optimizer-use-condition-selectivity 1
performance-schema TRUE
performance-schema-accounts-size 10
......
mysql-test/r/selectivity.result
View file @ 4cd676cb
......@@ -400,7 +400,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 100.00 Using where
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where ((substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and (`dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where ((`dbt3_s001`.`customer`.`c_acctbal` > 0.00) and (substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25'))))) and (not(exists(select 1 from `dbt3_s001`.`orders` where (`dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`))))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where ((substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and (`dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where ((`dbt3_s001`.`customer`.`c_acctbal` > 0.00) and (substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25'))))) and (not(<in_optimizer>(1,exists(select 1 from `dbt3_s001`.`orders` where (`dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)))))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal
......@@ -441,7 +441,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 91.00 Using where
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where ((substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and (`dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where ((`dbt3_s001`.`customer`.`c_acctbal` > 0.00) and (substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25'))))) and (not(exists(select 1 from `dbt3_s001`.`orders` where (`dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`))))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where ((substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and (`dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where ((`dbt3_s001`.`customer`.`c_acctbal` > 0.00) and (substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25'))))) and (not(<in_optimizer>(1,exists(select 1 from `dbt3_s001`.`orders` where (`dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)))))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal
......@@ -985,7 +985,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t2 ALL NULL NULL NULL NULL 7 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 14 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where ((exists(select 1 from `test`.`t1` join `test`.`t2`) and (`test`.`t1`.`a` <> `test`.`t2`.`b`)) or (`test`.`t1`.`a` <= 4))
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where ((<cache>(<in_optimizer>(1,exists(select 1 from `test`.`t1` join `test`.`t2`))) and (`test`.`t1`.`a` <> `test`.`t2`.`b`)) or (`test`.`t1`.`a` <= 4))
set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity;
DROP TABLE t1,t2;
set use_stat_tables=@save_use_stat_tables;
......
mysql-test/r/selectivity_innodb.result
View file @ 4cd676cb
......@@ -403,7 +403,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 100.00 Using where
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where ((substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and (`dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where ((`dbt3_s001`.`customer`.`c_acctbal` > 0.00) and (substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25'))))) and (not(exists(select 1 from `dbt3_s001`.`orders` where (`dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`))))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where ((substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and (`dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where ((`dbt3_s001`.`customer`.`c_acctbal` > 0.00) and (substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25'))))) and (not(<in_optimizer>(1,exists(select 1 from `dbt3_s001`.`orders` where (`dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)))))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal
......@@ -444,7 +444,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
3 SUBQUERY customer ALL NULL NULL NULL NULL 150 91.00 Using where
Warnings:
Note 1276 Field or reference 'dbt3_s001.customer.c_custkey' of SELECT #4 was resolved in SELECT #2
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where ((substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and (`dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where ((`dbt3_s001`.`customer`.`c_acctbal` > 0.00) and (substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25'))))) and (not(exists(select 1 from `dbt3_s001`.`orders` where (`dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`))))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
Note 1003 select substr(`dbt3_s001`.`customer`.`c_phone`,1,2) AS `cntrycode`,count(0) AS `numcust`,sum(`dbt3_s001`.`customer`.`c_acctbal`) AS `totacctbal` from `dbt3_s001`.`customer` where ((substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25')) and (`dbt3_s001`.`customer`.`c_acctbal` > (select avg(`dbt3_s001`.`customer`.`c_acctbal`) from `dbt3_s001`.`customer` where ((`dbt3_s001`.`customer`.`c_acctbal` > 0.00) and (substr(`dbt3_s001`.`customer`.`c_phone`,1,2) in ('10','20','14','19','11','28','25'))))) and (not(<in_optimizer>(1,exists(select 1 from `dbt3_s001`.`orders` where (`dbt3_s001`.`orders`.`o_custkey` = `dbt3_s001`.`customer`.`c_custkey`)))))) group by substr(`dbt3_s001`.`customer`.`c_phone`,1,2) order by substr(`dbt3_s001`.`customer`.`c_phone`,1,2)
select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal
from (
select substr(c_phone, 1, 2) as cntrycode, c_acctbal
......@@ -995,7 +995,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 SUBQUERY t2 ALL NULL NULL NULL NULL 7 100.00
2 SUBQUERY t1 ALL NULL NULL NULL NULL 14 100.00 Using join buffer (flat, BNL join)
Warnings:
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where ((exists(select 1 from `test`.`t1` join `test`.`t2`) and (`test`.`t1`.`a` <> `test`.`t2`.`b`)) or (`test`.`t1`.`a` <= 4))
Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t2`.`b` AS `b` from `test`.`t1` join `test`.`t2` where ((<cache>(<in_optimizer>(1,exists(select 1 from `test`.`t1` join `test`.`t2`))) and (`test`.`t1`.`a` <> `test`.`t2`.`b`)) or (`test`.`t1`.`a` <= 4))
set optimizer_use_condition_selectivity=@save_optimizer_use_condition_selectivity;
DROP TABLE t1,t2;
set use_stat_tables=@save_use_stat_tables;
......
mysql-test/r/subselect.result
View file @ 4cd676cb
......@@ -337,11 +337,11 @@ patient_uq clinic_uq
2 2
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t6 ALL NULL NULL NULL NULL 4 100.00 Using where
2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1 100.00 Using index
1 PRIMARY t7 index PRIMARY PRIMARY 4 NULL 2 100.00 Using index
1 PRIMARY t6 ALL i1 NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <expr_cache><`test`.`t6`.`clinic_uq`>(exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`)))
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t7` join `test`.`t6` where (`test`.`t6`.`clinic_uq` = `test`.`t7`.`uq`)
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column 'a' in field list is ambiguous
drop table t1,t2,t3;
......@@ -1887,7 +1887,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null)))))
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(<in_optimizer>(1,<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
......@@ -2419,11 +2419,12 @@ a b
3 4
explain extended select * from t1 up where exists (select * from t1 where t1.a=up.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY up ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
1 PRIMARY up ALL NULL NULL NULL NULL 2 100.00
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00
2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <expr_cache><`test`.`up`.`a`>(exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`)))
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` semi join (`test`.`t1`) where 1
drop table t1;
CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1);
......@@ -4428,11 +4429,12 @@ SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists(select 1 from `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`)))
Note 1003 select 2 AS `2` from `test`.`t1` semi join (`test`.`t2`) where 1
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a));
......@@ -5670,8 +5672,9 @@ EXPLAIN
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 USE INDEX() WHERE t2.a = t1.a);
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 ALL NULL NULL NULL NULL 3 Using where
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 3
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
a
......@@ -5680,8 +5683,9 @@ EXPLAIN
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
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 ref idx idx 5 test.t1.a 2 Using index
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 3
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED t2 index idx idx 5 NULL 3 Using index
DROP TABLE t1,t2;
#
# BUG#752992: Wrong results for a subquery with 'semijoin=on'
......
mysql-test/r/subselect_extra.result
View file @ 4cd676cb
......@@ -227,7 +227,7 @@ where t2.c in (select c from t3 where t3.c > t1.b) and
t2.c > 'b1' )
group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range NULL idx_t1_1 147 NULL 17 Using where; Using index for group-by
1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using where; Using index
2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
2 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index; FirstMatch(t2); Using join buffer (flat, BNL join)
select a1,a2,b,c,min(c), max(c) from t1
......@@ -236,22 +236,22 @@ where t2.c in (select c from t3 where t3.c > t1.b) and
t2.c > 'b1' )
group by a1,a2,b;
a1 a2 b c min(c) max(c)
a a a d111 a111 d111
a a b h112 e112 h112
a b a l121 i121 l121
a b b p122 m122 p122
b a a d211 a211 d211
b a b h212 e212 h212
b b a l221 i221 l221
b b b p222 m222 p222
c a a d311 a311 d311
c a b h312 e312 h312
c b a l321 i321 l321
c b b p322 m322 p322
d a a d411 a411 d411
d a b h412 e412 h412
d b a l421 i421 l421
d b b p422 m422 p422
a a a a111 a111 d111
a a b e112 e112 h112
a b a i121 i121 l121
a b b m122 m122 p122
b a a a211 a211 d211
b a b e212 e212 h212
b b a i221 i221 l221
b b b m222 m222 p222
c a a a311 a311 d311
c a b e312 e312 h312
c b a i321 i321 l321
c b b m322 m322 p322
d a a a411 a411 d411
d a b e412 e412 h412
d b a i421 i421 l421
d b b m422 m422 p422
explain select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2
where t2.c in (select c from t3 where t3.c > t1.c) and
......
mysql-test/r/subselect_extra_no_semijoin.result
View file @ 4cd676cb
......@@ -231,7 +231,7 @@ where t2.c in (select c from t3 where t3.c > t1.b) and
t2.c > 'b1' )
group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range NULL idx_t1_1 147 NULL 17 Using where; Using index for group-by
1 PRIMARY t1 index NULL idx_t1_1 163 NULL 128 Using where; Using index
2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
3 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index
select a1,a2,b,c,min(c), max(c) from t1
......@@ -240,22 +240,22 @@ where t2.c in (select c from t3 where t3.c > t1.b) and
t2.c > 'b1' )
group by a1,a2,b;
a1 a2 b c min(c) max(c)
a a a d111 a111 d111
a a b h112 e112 h112
a b a l121 i121 l121
a b b p122 m122 p122
b a a d211 a211 d211
b a b h212 e212 h212
b b a l221 i221 l221
b b b p222 m222 p222
c a a d311 a311 d311
c a b h312 e312 h312
c b a l321 i321 l321
c b b p322 m322 p322
d a a d411 a411 d411
d a b h412 e412 h412
d b a l421 i421 l421
d b b p422 m422 p422
a a a a111 a111 d111
a a b e112 e112 h112
a b a i121 i121 l121
a b b m122 m122 p122
b a a a211 a211 d211
b a b e212 e212 h212
b b a i221 i221 l221
b b b m222 m222 p222
c a a a311 a311 d311
c a b e312 e312 h312
c b a i321 i321 l321
c b b m322 m322 p322
d a a a411 a411 d411
d a b e412 e412 h412
d b a i421 i421 l421
d b b m422 m422 p422
explain select a1,a2,b,c,min(c), max(c) from t1
where exists ( select * from t2
where t2.c in (select c from t3 where t3.c > t1.c) and
......
mysql-test/r/subselect_exists_to_in.result → mysql-test/r/subselect_no_exists_to_in.result
View file @ 4cd676cb
select @@optimizer_switch like '%exists_to_in=on%';
@@optimizer_switch like '%exists_to_in=on%'
select @@optimizer_switch like '%exists_to_in=off%';
@@optimizer_switch like '%exists_to_in=off%'
0
set optimizer_switch='exists_to_in=on';
set optimizer_switch='exists_to_in=off';
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t11,t12;
drop view if exists v2;
set @subselect_tmp=@@optimizer_switch;
......@@ -341,11 +341,11 @@ patient_uq clinic_uq
2 2
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t7 index PRIMARY PRIMARY 4 NULL 2 100.00 Using index
1 PRIMARY t6 ALL i1 NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
1 PRIMARY t6 ALL NULL NULL NULL NULL 4 100.00 Using where
2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1 100.00 Using index
Warnings:
Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t7` join `test`.`t6` where (`test`.`t6`.`clinic_uq` = `test`.`t7`.`uq`)
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <expr_cache><`test`.`t6`.`clinic_uq`>(exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`)))
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column 'a' in field list is ambiguous
drop table t1,t2,t3;
......@@ -1891,7 +1891,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(<in_optimizer>(1,<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))))
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null)))))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
......@@ -2423,12 +2423,11 @@ a b
3 4
explain extended select * from t1 up where exists (select * from t1 where t1.a=up.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY up ALL NULL NULL NULL NULL 2 100.00
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00
2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00
1 PRIMARY up ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` semi join (`test`.`t1`) where 1
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <expr_cache><`test`.`up`.`a`>(exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`)))
drop table t1;
CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1);
......@@ -4433,12 +4432,11 @@ SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` semi join (`test`.`t2`) where 1
Note 1003 select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists(select 1 from `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`)))
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a));
......@@ -5676,9 +5674,8 @@ EXPLAIN
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 USE INDEX() WHERE t2.a = t1.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 3
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 3 Using where
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
a
......@@ -5687,9 +5684,8 @@ EXPLAIN
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 3
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED t2 index idx idx 5 NULL 3 Using index
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where
2 DEPENDENT SUBQUERY t2 ref idx idx 5 test.t1.a 2 Using index
DROP TABLE t1,t2;
#
# BUG#752992: Wrong results for a subquery with 'semijoin=on'
......@@ -7024,6 +7020,6 @@ exists(select 1 from t1 group by `c` in (select `c` from t1))
0
drop table t1;
set optimizer_switch=default;
select @@optimizer_switch like '%exists_to_in=on%';
@@optimizer_switch like '%exists_to_in=on%'
select @@optimizer_switch like '%exists_to_in=off%';
@@optimizer_switch like '%exists_to_in=off%'
0
mysql-test/r/subselect_no_mat.result
View file @ 4cd676cb
......@@ -344,11 +344,11 @@ patient_uq clinic_uq
2 2
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t6 ALL NULL NULL NULL NULL 4 100.00 Using where
2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1 100.00 Using index
1 PRIMARY t7 index PRIMARY PRIMARY 4 NULL 2 100.00 Using index
1 PRIMARY t6 ALL i1 NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <expr_cache><`test`.`t6`.`clinic_uq`>(exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`)))
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t7` join `test`.`t6` where (`test`.`t6`.`clinic_uq` = `test`.`t7`.`uq`)
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column 'a' in field list is ambiguous
drop table t1,t2,t3;
......@@ -1894,7 +1894,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null)))))
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(<in_optimizer>(1,<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
......@@ -2426,11 +2426,11 @@ a b
3 4
explain extended select * from t1 up where exists (select * from t1 where t1.a=up.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY up ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
1 PRIMARY up ALL NULL NULL NULL NULL 2 100.00
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where; FirstMatch(up); Using join buffer (flat, BNL join)
Warnings:
Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <expr_cache><`test`.`up`.`a`>(exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`)))
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` semi join (`test`.`t1`) where (`test`.`t1`.`a` = `test`.`up`.`a`)
drop table t1;
CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1);
......@@ -4432,11 +4432,11 @@ SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where; FirstMatch(t1); Using join buffer (flat, BNL join)
Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists(select 1 from `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`)))
Note 1003 select 2 AS `2` from `test`.`t1` semi join (`test`.`t2`) where (`test`.`t2`.`a` = `test`.`t1`.`a`)
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a));
......@@ -5671,8 +5671,8 @@ EXPLAIN
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 USE INDEX() WHERE t2.a = t1.a);
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 ALL NULL NULL NULL NULL 3 Using where
1 PRIMARY t1 ALL NULL NULL NULL NULL 4
1 PRIMARY t2 ALL NULL NULL NULL NULL 3 Using where; FirstMatch(t1); Using join buffer (flat, BNL join)
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
a
......@@ -5681,8 +5681,8 @@ EXPLAIN
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
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 ref idx idx 5 test.t1.a 2 Using index
1 PRIMARY t2 index idx idx 5 NULL 3 Using index; LooseScan
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
DROP TABLE t1,t2;
#
# BUG#752992: Wrong results for a subquery with 'semijoin=on'
......
mysql-test/r/subselect_no_opts.result
View file @ 4cd676cb
......@@ -341,10 +341,10 @@ patient_uq clinic_uq
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t6 ALL NULL NULL NULL NULL 4 100.00 Using where
2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1 100.00 Using index
2 DEPENDENT SUBQUERY t7 unique_subquery PRIMARY PRIMARY 4 func 1 100.00 Using index
Warnings:
Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <in_optimizer>(`test`.`t6`.`clinic_uq`,<exists>(<primary_index_lookup>(<cache>(`test`.`t6`.`clinic_uq`) in t7 on PRIMARY)))
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column 'a' in field list is ambiguous
drop table t1,t2,t3;
......@@ -1890,7 +1890,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(<in_optimizer>(1,exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null)))))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
......@@ -2426,7 +2426,7 @@ 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 where
Warnings:
Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`))
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <in_optimizer>(`test`.`up`.`a`,<exists>(select `test`.`t1`.`a` from `test`.`t1` where (<cache>(`test`.`up`.`a`) = `test`.`t1`.`a`)))
drop table t1;
CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1);
......@@ -4432,7 +4432,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where exists(select 1 from `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`))
Note 1003 select 2 AS `2` from `test`.`t1` where <in_optimizer>(`test`.`t1`.`a`,<exists>(select `test`.`t2`.`a` from `test`.`t2` where (<cache>(`test`.`t1`.`a`) = `test`.`t2`.`a`)))
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a));
......@@ -5678,7 +5678,7 @@ SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
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 ref idx idx 5 test.t1.a 2 Using index
2 DEPENDENT SUBQUERY t2 index_subquery idx idx 5 func 2 Using index
DROP TABLE t1,t2;
#
# BUG#752992: Wrong results for a subquery with 'semijoin=on'
......
mysql-test/r/subselect_no_scache.result
View file @ 4cd676cb
......@@ -343,11 +343,11 @@ patient_uq clinic_uq
2 2
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t6 ALL NULL NULL NULL NULL 4 100.00 Using where
2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1 100.00 Using index
1 PRIMARY t7 index PRIMARY PRIMARY 4 NULL 2 100.00 Using index
1 PRIMARY t6 ALL i1 NULL NULL NULL 4 75.00 Using where; Using join buffer (flat, BNL join)
Warnings:
Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`))
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t7` join `test`.`t6` where (`test`.`t6`.`clinic_uq` = `test`.`t7`.`uq`)
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column 'a' in field list is ambiguous
drop table t1,t2,t3;
......@@ -1893,7 +1893,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(<in_optimizer>(1,exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null)))))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
......@@ -2425,11 +2425,12 @@ a b
3 4
explain extended select * from t1 up where exists (select * from t1 where t1.a=up.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY up ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
1 PRIMARY up ALL NULL NULL NULL NULL 2 100.00
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00
2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`))
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` semi join (`test`.`t1`) where 1
drop table t1;
CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1);
......@@ -4434,11 +4435,12 @@ SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00
1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 4 func 1 100.00
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where exists(select 1 from `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`))
Note 1003 select 2 AS `2` from `test`.`t1` semi join (`test`.`t2`) where 1
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a));
......@@ -5676,8 +5678,9 @@ EXPLAIN
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 USE INDEX() WHERE t2.a = t1.a);
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 ALL NULL NULL NULL NULL 3 Using where
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 3
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
a
......@@ -5686,8 +5689,9 @@ EXPLAIN
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
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 ref idx idx 5 test.t1.a 2 Using index
1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 3
1 PRIMARY t1 ALL NULL NULL NULL NULL 4 Using where; Using join buffer (flat, BNL join)
2 MATERIALIZED t2 index idx idx 5 NULL 3 Using index
DROP TABLE t1,t2;
#
# BUG#752992: Wrong results for a subquery with 'semijoin=on'
......
mysql-test/r/subselect_no_semijoin.result
View file @ 4cd676cb
......@@ -341,10 +341,10 @@ patient_uq clinic_uq
explain extended select * from t6 where exists (select * from t7 where uq = clinic_uq);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t6 ALL NULL NULL NULL NULL 4 100.00 Using where
2 DEPENDENT SUBQUERY t7 eq_ref PRIMARY PRIMARY 4 test.t6.clinic_uq 1 100.00 Using index
2 MATERIALIZED t7 index PRIMARY PRIMARY 4 NULL 2 100.00 Using index
Warnings:
Note 1276 Field or reference 'test.t6.clinic_uq' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <expr_cache><`test`.`t6`.`clinic_uq`>(exists(select 1 from `test`.`t7` where (`test`.`t7`.`uq` = `test`.`t6`.`clinic_uq`)))
Note 1003 select `test`.`t6`.`patient_uq` AS `patient_uq`,`test`.`t6`.`clinic_uq` AS `clinic_uq` from `test`.`t6` where <expr_cache><`test`.`t6`.`clinic_uq`>(<in_optimizer>(`test`.`t6`.`clinic_uq`,`test`.`t6`.`clinic_uq` in ( <materialize> (select `test`.`t7`.`uq` from `test`.`t7` where 1 ), <primary_index_lookup>(`test`.`t6`.`clinic_uq` in <temporary table> on distinct_key where ((`test`.`t6`.`clinic_uq` = `<subquery2>`.`uq`))))))
select * from t1 where a= (select a from t2,t4 where t2.b=t4.b);
ERROR 23000: Column 'a' in field list is ambiguous
drop table t1,t2,t3;
......@@ -1890,7 +1890,7 @@ id select_type table type possible_keys key key_len ref rows filtered Extra
2 DEPENDENT SUBQUERY t1 eq_ref PRIMARY PRIMARY 4 test.tt.id 1 100.00 Using where; Using index
Warnings:
Note 1276 Field or reference 'test.tt.id' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null)))))
Note 1003 select `test`.`tt`.`id` AS `id`,`test`.`tt`.`text` AS `text` from `test`.`t1` `tt` where (not(<in_optimizer>(1,<expr_cache><`test`.`tt`.`id`>(exists(select `test`.`t1`.`id` from `test`.`t1` where ((`test`.`t1`.`id` < 8) and (`test`.`t1`.`id` = `test`.`tt`.`id`)) having (`test`.`t1`.`id` is not null))))))
insert into t1 (id, text) values (1000, 'text1000'), (1001, 'text1001');
create table t2 (id int not null, text varchar(20) not null default '', primary key (id));
insert into t2 (id, text) values (1, 'text1'), (2, 'text2'), (3, 'text3'), (4, 'text4'), (5, 'text5'), (6, 'text6'), (7, 'text7'), (8, 'text8'), (9, 'text9'), (10, 'text10'), (11, 'text1'), (12, 'text2'), (13, 'text3'), (14, 'text4'), (15, 'text5'), (16, 'text6'), (17, 'text7'), (18, 'text8'), (19, 'text9'), (20, 'text10'),(21, 'text1'), (22, 'text2'), (23, 'text3'), (24, 'text4'), (25, 'text5'), (26, 'text6'), (27, 'text7'), (28, 'text8'), (29, 'text9'), (30, 'text10'), (31, 'text1'), (32, 'text2'), (33, 'text3'), (34, 'text4'), (35, 'text5'), (36, 'text6'), (37, 'text7'), (38, 'text8'), (39, 'text9'), (40, 'text10'), (41, 'text1'), (42, 'text2'), (43, 'text3'), (44, 'text4'), (45, 'text5'), (46, 'text6'), (47, 'text7'), (48, 'text8'), (49, 'text9'), (50, 'text10');
......@@ -2423,10 +2423,10 @@ a b
explain extended select * from t1 up where exists (select * from t1 where t1.a=up.a);
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY up ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
2 MATERIALIZED t1 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1276 Field or reference 'test.up.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <expr_cache><`test`.`up`.`a`>(exists(select 1 from `test`.`t1` where (`test`.`t1`.`a` = `test`.`up`.`a`)))
Note 1003 select `test`.`up`.`a` AS `a`,`test`.`up`.`b` AS `b` from `test`.`t1` `up` where <expr_cache><`test`.`up`.`a`>(<in_optimizer>(`test`.`up`.`a`,`test`.`up`.`a` in ( <materialize> (select `test`.`t1`.`a` from `test`.`t1` where 1 ), <primary_index_lookup>(`test`.`up`.`a` in <temporary table> on distinct_key where ((`test`.`up`.`a` = `<subquery2>`.`a`))))))
drop table t1;
CREATE TABLE t1 (t1_a int);
INSERT INTO t1 VALUES (1);
......@@ -4429,10 +4429,10 @@ EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 100.00 Using where
2 DEPENDENT SUBQUERY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 100.00
Warnings:
Note 1276 Field or reference 'test.t1.a' of SELECT #2 was resolved in SELECT #1
Note 1003 select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(exists(select 1 from `test`.`t2` where (`test`.`t1`.`a` = `test`.`t2`.`a`)))
Note 1003 select 2 AS `2` from `test`.`t1` where <expr_cache><`test`.`t1`.`a`>(<in_optimizer>(`test`.`t1`.`a`,`test`.`t1`.`a` in ( <materialize> (select `test`.`t2`.`a` from `test`.`t2` where 1 ), <primary_index_lookup>(`test`.`t1`.`a` in <temporary table> on distinct_key where ((`test`.`t1`.`a` = `<subquery2>`.`a`))))))
EXPLAIN EXTENDED
SELECT 2 FROM t1 WHERE EXISTS ((SELECT 1 FROM t2 WHERE t1.a=t2.a) UNION
(SELECT 1 FROM t2 WHERE t1.a = t2.a));
......@@ -5668,7 +5668,7 @@ SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 USE INDEX() WHERE t2.a = t1.a);
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 ALL NULL NULL NULL NULL 3 Using where
2 MATERIALIZED t2 ALL NULL NULL NULL NULL 3
SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
a
......@@ -5678,7 +5678,7 @@ SELECT * FROM t1
WHERE EXISTS (SELECT a FROM t2 WHERE t2.a = t1.a);
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 ref idx idx 5 test.t1.a 2 Using index
2 MATERIALIZED t2 index idx idx 5 NULL 3 Using index
DROP TABLE t1,t2;
#
# BUG#752992: Wrong results for a subquery with 'semijoin=on'
......
mysql-test/suite/innodb_fts/r/fulltext.result
View file @ 4cd676cb
......@@ -549,8 +549,8 @@ WHERE t3.a=t1.a AND MATCH(b2) AGAINST('scargill' IN BOOLEAN MODE)
);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL NULL NULL NULL NULL 2 Using where
2 DEPENDENT SUBQUERY t2 fulltext b2 b2 0 1 Using where
2 DEPENDENT SUBQUERY t3 ALL NULL NULL NULL NULL 2 Using where
2 MATERIALIZED t2 fulltext b2 b2 0 1 Using where
2 MATERIALIZED t3 ALL NULL NULL NULL NULL 2 Using where
# should return 0
SELECT count(*) FROM t1 WHERE
not exists(
......@@ -558,7 +558,7 @@ SELECT 1 FROM t2, t3
WHERE t3.a=t1.a AND MATCH(b2) AGAINST('scargill' IN BOOLEAN MODE)
);
count(*)
1
0
SELECT count(*) FROM t1 WHERE
not exists(
SELECT 1 FROM t2 IGNORE INDEX (b2), t3
......
mysql-test/t/subselect_exists_to_in.test → mysql-test/t/subselect_no_exists_to_in.test
View file @ 4cd676cb
#
# Run subselect.test with exists to in transformation
#
select @@optimizer_switch like '%exists_to_in=on%';
set optimizer_switch='exists_to_in=on';
select @@optimizer_switch like '%exists_to_in=off%';
set optimizer_switch='exists_to_in=off';
--source t/subselect.test
set optimizer_switch=default;
select @@optimizer_switch like '%exists_to_in=on%';
select @@optimizer_switch like '%exists_to_in=off%';
sql/sql_priv.h
View file @ 4cd676cb
......@@ -253,7 +253,8 @@ template <class T> bool valid_buffer_range(T jump,
OPTIMIZER_SWITCH_SUBQUERY_CACHE | \
OPTIMIZER_SWITCH_SEMIJOIN | \
OPTIMIZER_SWITCH_FIRSTMATCH | \
OPTIMIZER_SWITCH_LOOSE_SCAN )
OPTIMIZER_SWITCH_LOOSE_SCAN | \
OPTIMIZER_SWITCH_EXISTS_TO_IN)
/*
Replication uses 8 bytes to store SQL_MODE in the binary log. The day you
use strictly more than 64 bits by adding one more define above, you should
......
storage/tokudb/mysql-test/tokudb/r/ext_key_1_innodb.result
View file @ 4cd676cb
......@@ -2,7 +2,7 @@ drop table if exists t;
set session optimizer_switch='extended_keys=on';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on
create table t (id int not null, x int not null, y int not null, primary key(id), key(x)) engine=innodb;
insert into t values (0,0,0),(1,1,1),(2,2,2),(3,2,3),(4,2,4);
explain select x,id from t force index (x) where x=0 and id=0;
......
storage/tokudb/mysql-test/tokudb/r/ext_key_1_tokudb.result
View file @ 4cd676cb
......@@ -2,7 +2,7 @@ drop table if exists t;
set session optimizer_switch='extended_keys=on';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on
create table t (id int not null, x int not null, y int not null, primary key(id), key(x)) engine=tokudb;
insert into t values (0,0,0),(1,1,1),(2,2,2),(3,2,3),(4,2,4);
explain select x,id from t force index (x) where x=0 and id=0;
......
storage/tokudb/mysql-test/tokudb/r/ext_key_2_innodb.result
View file @ 4cd676cb
......@@ -2,7 +2,7 @@ drop table if exists t;
set session optimizer_switch='extended_keys=on';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on
create table t (a int not null, b int not null, c int not null, d int not null, primary key(a,b), key(c,a)) engine=innodb;
insert into t values (0,0,0,0),(0,1,0,1);
explain select c,a,b from t where c=0 and a=0 and b=1;
......
storage/tokudb/mysql-test/tokudb/r/ext_key_2_tokudb.result
View file @ 4cd676cb
......@@ -2,7 +2,7 @@ drop table if exists t;
set session optimizer_switch='extended_keys=on';
select @@optimizer_switch;
@@optimizer_switch
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=off
index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=off,table_elimination=on,extended_keys=on,exists_to_in=on
create table t (a int not null, b int not null, c int not null, d int not null, primary key(a,b), key(c,a)) engine=tokudb;
insert into t values (0,0,0,0),(0,1,0,1);
explain select c,a,b from t where c=0 and a=0 and b=1;
......
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