mirror of
https://github.com/MariaDB/server.git
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154 lines
10 KiB
Plaintext
154 lines
10 KiB
Plaintext
--- r/subselect3.result 2012-01-09 16:13:21.000000000 +0100
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+++ r/subselect3.reject 2012-02-10 16:19:05.000000000 +0100
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@@ -163,7 +163,7 @@
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from t3;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
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-2 DEPENDENT SUBQUERY t1 ref_or_null a a 5 func 4 100.00 Using where; Full scan on NULL key
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+2 DEPENDENT SUBQUERY t1 ref_or_null a a 5 func 2 100.00 Using where; Full scan on NULL key
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2 DEPENDENT SUBQUERY t2 ref a a 5 test.t1.b 1 100.00 Using where
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Warnings:
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Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
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@@ -191,7 +191,7 @@
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from t3;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t3 ALL NULL NULL NULL NULL 3 100.00
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-2 DEPENDENT SUBQUERY t1 ref a a 4 func 2 100.00 Using where; Full scan on NULL key
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+2 DEPENDENT SUBQUERY t1 ref a a 4 func 1 100.00 Using where; Full scan on NULL key
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2 DEPENDENT SUBQUERY t2 ref a a 4 test.t1.b 1 100.00 Using where
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Warnings:
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Note 1276 Field or reference 'test.t3.oref' of SELECT #2 was resolved in SELECT #1
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@@ -310,7 +310,7 @@
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select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2 where a=10 and b=10;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t2 ALL NULL NULL NULL NULL 8 100.00 Using where
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-2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
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+2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 2 100.00 Using where; Full scan on NULL key
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Warnings:
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Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
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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))
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@@ -419,7 +419,7 @@
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explain select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t2 ALL NULL NULL NULL NULL 7
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-2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 Using where; Full scan on NULL key
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+2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 2 Using where; Full scan on NULL key
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select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2;
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oref a Z
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ee NULL NULL
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@@ -442,7 +442,7 @@
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explain select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t2 ALL NULL NULL NULL NULL 7
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-2 DEPENDENT SUBQUERY t1 ref_or_null idx idx 10 test.t2.oref,func 4 Using where; Using index; Full scan on NULL key
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+2 DEPENDENT SUBQUERY t1 ref_or_null idx idx 10 test.t2.oref,func 2 Using where; Using index; Full scan on NULL key
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select oref, a, a in (select ie from t1 where oref=t2.oref) Z from t2;
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oref a Z
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ee NULL NULL
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@@ -467,7 +467,7 @@
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from t2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t2 ALL NULL NULL NULL NULL 7
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-2 DEPENDENT SUBQUERY t1 ref idx idx 5 test.t2.oref 2 Using where; Using temporary
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+2 DEPENDENT SUBQUERY t1 ref idx idx 5 test.t2.oref 1 Using where; Using temporary
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select oref, a,
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a in (select min(ie) from t1 where oref=t2.oref
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group by grp having min(ie) > 1) Z
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@@ -558,7 +558,7 @@
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explain select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2;
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY t2 ALL NULL NULL NULL NULL 7
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-2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 Using where; Full scan on NULL key
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+2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 2 Using where; Full scan on NULL key
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select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2;
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oref a b Z
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ee NULL 1 NULL
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@@ -580,7 +580,7 @@
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select oref, a, b, (a,b) in (select ie1,ie2 from t1 where oref=t2.oref) Z from t2;
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id select_type table type possible_keys key key_len ref rows filtered Extra
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1 PRIMARY t2 ALL NULL NULL NULL NULL 7 100.00
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-2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 4 100.00 Using where; Full scan on NULL key
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+2 DEPENDENT SUBQUERY t1 index_subquery idx idx 5 func 2 100.00 Using where; Full scan on NULL key
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Warnings:
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Note 1276 Field or reference 'test.t2.oref' of SELECT #2 was resolved in SELECT #1
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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`
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@@ -1136,14 +1136,14 @@
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insert into t3 select A.a + 10*B.a from t0 A, t0 B;
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explain select * from t3 where a in (select kp1 from t1 where kp1<20);
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id select_type table type possible_keys key key_len ref rows Extra
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-1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using where; Using index; LooseScan
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+1 PRIMARY t1 range kp1 kp1 5 NULL 1 Using where; Using index; LooseScan
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1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
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create table t4 (pk int primary key);
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insert into t4 select a from t3;
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explain select * from t3 where a in (select t1.kp1 from t1,t4 where kp1<20
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and t4.pk=t1.c);
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id select_type table type possible_keys key key_len ref rows Extra
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-1 PRIMARY t1 range kp1 kp1 5 NULL 48 Using index condition; Using where; LooseScan
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+1 PRIMARY t1 range kp1 kp1 5 NULL 1 Using where; LooseScan
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1 PRIMARY t4 eq_ref PRIMARY PRIMARY 4 test.t1.c 1 Using index; FirstMatch(t1)
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1 PRIMARY t3 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
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drop table t1, t3, t4;
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@@ -1177,9 +1177,9 @@
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insert into t3 select A.a + 10*B.a, 'filler' from t0 A, t0 B;
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explain select * from t3 where a in (select a from t2) and (a > 5 or a < 10);
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id select_type table type possible_keys key key_len ref rows Extra
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-1 PRIMARY <subquery2> ALL distinct_key NULL NULL NULL 2
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-1 PRIMARY t3 ref a a 5 test.t2.a 1
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-2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2 Using where
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+1 PRIMARY t3 range a a 5 NULL 1 Using where
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+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1
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+2 MATERIALIZED t2 ALL NULL NULL NULL NULL 2
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select * from t3 where a in (select a from t2);
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a filler
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1 filler
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@@ -1227,9 +1227,9 @@
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insert into t3 select A.a + 10*B.a, A.a + 10*B.a, 'filler' from t1 A, t1 B, t1 C;
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explain select * from t1, t3 where t3.a in (select a from t2) and (t3.a < 10 or t3.a >30) and t1.a =3;
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id select_type table type possible_keys key key_len ref rows Extra
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-1 PRIMARY t1 ALL NULL NULL NULL NULL 10 Using where
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-1 PRIMARY t2 ALL NULL NULL NULL NULL 10 Using where; Start temporary; Using join buffer (flat, BNL join)
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-1 PRIMARY t3 ref a a 5 test.t2.a 10 End temporary
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+1 PRIMARY t3 range a a 5 NULL 2 Using where
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+1 PRIMARY t2 ALL NULL NULL NULL NULL 10 Using where; FirstMatch(t3); Using join buffer (flat, BNL join)
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+1 PRIMARY t1 ALL NULL NULL NULL NULL 10 Using where; Using join buffer (flat, BNL join)
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explain select straight_join * from t1 A, t1 B where A.a in (select a from t2);
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id select_type table type possible_keys key key_len ref rows Extra
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1 PRIMARY A ALL NULL NULL NULL NULL 10 Using where
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@@ -1256,15 +1256,15 @@
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insert into t0 values(1,1);
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explain select * from t0, t3 where t3.a in (select a from t2) and (t3.a < 10 or t3.a >30);
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id select_type table type possible_keys key key_len ref rows Extra
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-1 PRIMARY t0 system NULL NULL NULL NULL 1
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-1 PRIMARY t2 ALL NULL NULL NULL NULL 10 Using where; Start temporary
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-1 PRIMARY t3 ref a a 5 test.t2.a 10 End temporary
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+1 PRIMARY t0 ALL NULL NULL NULL NULL 1
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+1 PRIMARY t3 range a a 5 NULL 2 Using where; Using join buffer (flat, BNL join)
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+1 PRIMARY t2 ALL NULL NULL NULL NULL 10 Using where; FirstMatch(t3); Using join buffer (flat, BNL join)
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create table t4 as select a as x, a as y from t1;
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explain select * from t0, t3 where (t3.a, t3.b) in (select x,y from t4) and (t3.a < 10 or t3.a >30);
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id select_type table type possible_keys key key_len ref rows Extra
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-1 PRIMARY t0 system NULL NULL NULL NULL 1
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-1 PRIMARY t4 ALL NULL NULL NULL NULL 10 Using where; Start temporary
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-1 PRIMARY t3 ref a a 5 test.t4.x 10 Using where; End temporary
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+1 PRIMARY t0 ALL NULL NULL NULL NULL 1
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+1 PRIMARY t3 range a a 5 NULL 2 Using where; Using join buffer (flat, BNL join)
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+1 PRIMARY t4 ALL NULL NULL NULL NULL 10 Using where; FirstMatch(t3); Using join buffer (flat, BNL join)
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drop table t0,t1,t2,t3,t4;
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create table t0 (a int);
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insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9);
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@@ -1273,11 +1273,11 @@
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create table t2 as select * from t1;
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explain select * from t2 where a in (select b from t1 where a=3);
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id select_type table type possible_keys key key_len ref rows Extra
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-1 PRIMARY t1 ref a a 5 const 8 Using index; LooseScan
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+1 PRIMARY t1 ref a a 5 const 1 Using index; LooseScan
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1 PRIMARY t2 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
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explain select * from t2 where (b,a) in (select a,b from t1 where a=3);
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id select_type table type possible_keys key key_len ref rows Extra
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-1 PRIMARY t1 ref a a 5 const 8 Using index; LooseScan
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+1 PRIMARY t1 ref a a 5 const 1 Using index; LooseScan
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1 PRIMARY t2 ALL NULL NULL NULL NULL 100 Using where; Using join buffer (flat, BNL join)
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drop table t1,t2;
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set @@optimizer_switch=@save_optimizer_switch;
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