mirror of
https://github.com/MariaDB/server.git
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124 lines
6.7 KiB
Plaintext
124 lines
6.7 KiB
Plaintext
--- r/subselect_extra.result 2012-01-09 16:13:21.000000000 +0100
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+++ r/subselect_extra.reject 2012-02-10 16:19:24.000000000 +0100
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@@ -43,10 +43,11 @@
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select * from t1
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where id in (select id from t1 as x1 where (t1.cur_date is null));
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id select_type table type possible_keys key key_len ref rows filtered Extra
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-1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
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+1 PRIMARY t1 ALL NULL NULL NULL NULL 1 100.00 Using where
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+1 PRIMARY x1 ALL NULL NULL NULL NULL 1 100.00 Using where; FirstMatch(t1); Using join buffer (flat, BNL join)
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Warnings:
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Note 1276 Field or reference 'test.t1.cur_date' of SELECT #2 was resolved in SELECT #1
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-Note 1003 select 1 AS `id`,'2007-04-25 18:30:22' AS `cur_date` from (dual) where (('2007-04-25 18:30:22' = 0))
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+Note 1003 select `test`.`t1`.`id` AS `id`,`test`.`t1`.`cur_date` AS `cur_date` from `test`.`t1` semi join (`test`.`t1` `x1`) where ((`test`.`x1`.`id` = `test`.`t1`.`id`) and (`test`.`t1`.`cur_date` = 0))
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select * from t1
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where id in (select id from t1 as x1 where (t1.cur_date is null));
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id cur_date
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@@ -54,10 +55,11 @@
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select * from t2
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where id in (select id from t2 as x1 where (t2.cur_date is null));
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id select_type table type possible_keys key key_len ref rows filtered Extra
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-1 PRIMARY NULL NULL NULL NULL NULL NULL NULL NULL Impossible WHERE noticed after reading const tables
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+1 PRIMARY t2 ALL NULL NULL NULL NULL 1 100.00 Using where
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+1 PRIMARY x1 ALL NULL NULL NULL NULL 1 100.00 Using where; FirstMatch(t2); Using join buffer (flat, BNL join)
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Warnings:
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Note 1276 Field or reference 'test.t2.cur_date' of SELECT #2 was resolved in SELECT #1
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-Note 1003 select 1 AS `id`,'2007-04-25' AS `cur_date` from (dual) where (('2007-04-25' = 0))
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+Note 1003 select `test`.`t2`.`id` AS `id`,`test`.`t2`.`cur_date` AS `cur_date` from `test`.`t2` semi join (`test`.`t2` `x1`) where ((`test`.`x1`.`id` = `test`.`t2`.`id`) and (`test`.`t2`.`cur_date` = 0))
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select * from t2
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where id in (select id from t2 as x1 where (t2.cur_date is null));
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id cur_date
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@@ -132,7 +134,7 @@
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create index idx_t1_2 on t1 (a1,a2,b);
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analyze table t1;
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Table Op Msg_type Msg_text
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-test.t1 analyze status Table is already up to date
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+test.t1 analyze status OK
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create table t2 (
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a1 char(64), a2 char(64) not null, b char(16), c char(16), d char(16), dummy char(64) default ' '
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);
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@@ -159,7 +161,7 @@
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create index idx_t2_2 on t2 (a1,a2,b);
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analyze table t2;
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Table Op Msg_type Msg_text
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-test.t2 analyze status Table is already up to date
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+test.t2 analyze status OK
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create table t3 (
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a1 char(1), a2 char(1), b char(1), c char(4) not null, d char(3), dummy char(1) default ' '
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);
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@@ -220,14 +222,14 @@
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create index idx_t3_2 on t3 (a1,a2,b);
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analyze table t3;
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Table Op Msg_type Msg_text
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-test.t3 analyze status Table is already up to date
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+test.t3 analyze status OK
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explain select a1,a2,b,c,min(c), max(c) from t1
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where exists ( select * from t2
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where t2.c in (select c from t3 where t3.c > t1.b) and
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t2.c > 'b1' )
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group by a1,a2,b;
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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 NULL idx_t1_1 147 NULL 17 Using where; Using index for group-by
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+1 PRIMARY t1 range NULL idx_t1_1 147 NULL 129 Using where; Using index for group-by
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2 DEPENDENT SUBQUERY t2 index NULL idx_t2_1 163 NULL 164 Using where; Using index
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2 DEPENDENT SUBQUERY t3 index NULL idx_t3_1 10 NULL 192 Using where; Using index; FirstMatch(t2); Using join buffer (flat, BNL join)
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select a1,a2,b,c,min(c), max(c) from t1
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@@ -345,11 +347,12 @@
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SELECT * FROM t2 RIGHT JOIN (SELECT * FROM t1) AS t ON t.a != 0
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WHERE t.a IN (SELECT b FROM t1);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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-1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
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-1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
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-1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
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+1 PRIMARY t1 ALL NULL NULL NULL NULL 1 100.00
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+1 PRIMARY <subquery3> eq_ref distinct_key distinct_key 5 func 1 100.00
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+1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join)
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+3 MATERIALIZED t1 ALL NULL NULL NULL NULL 1 100.00
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Warnings:
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-Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` semi join (dual) where 1
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+Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join (`test`.`t1`) left join `test`.`t2` on((`test`.`t1`.`a` <> 0)) where 1
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SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0
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WHERE t.a IN (SELECT b FROM t1);
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a a b
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@@ -358,11 +361,12 @@
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SELECT * FROM t2 RIGHT JOIN v1 AS t ON t.a != 0
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WHERE t.a IN (SELECT b FROM t1);
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id select_type table type possible_keys key key_len ref rows filtered Extra
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-1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
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-1 PRIMARY t1 system NULL NULL NULL NULL 1 100.00
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-1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where
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+1 PRIMARY t1 ALL NULL NULL NULL NULL 1 100.00
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+1 PRIMARY <subquery2> eq_ref distinct_key distinct_key 5 func 1 100.00
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+1 PRIMARY t2 ALL NULL NULL NULL NULL 2 100.00 Using where; Using join buffer (flat, BNL join)
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+2 MATERIALIZED t1 ALL NULL NULL NULL NULL 1 100.00
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Warnings:
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-Note 1003 select `test`.`t2`.`a` AS `a`,0 AS `a`,0 AS `b` from `test`.`t2` semi join (dual) where 1
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+Note 1003 select `test`.`t2`.`a` AS `a`,`test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join (`test`.`t1`) left join `test`.`t2` on((`test`.`t1`.`a` <> 0)) where 1
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DROP VIEW v1;
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DROP TABLE t1,t2;
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#
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@@ -431,9 +435,9 @@
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WHERE t3.b IN (SELECT v1.b FROM v1, t2
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WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
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id select_type table type possible_keys key key_len ref rows Extra
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-1 PRIMARY t2 system NULL NULL NULL NULL 1
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-1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where
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-1 PRIMARY <derived3> ALL NULL NULL NULL NULL 3 Using where; FirstMatch(t3); Using join buffer (flat, BNL join)
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+1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Start temporary
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+1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; Using join buffer (flat, BNL join)
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+1 PRIMARY <derived3> ALL NULL NULL NULL NULL 3 Using where; End temporary; Using join buffer (incremental, BNL join)
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3 DERIVED t1 ALL NULL NULL NULL NULL 3
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SELECT * FROM t3
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WHERE t3.b IN (SELECT v1.b FROM v1, t2
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@@ -446,8 +450,8 @@
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WHERE t3.b IN (SELECT v1.b FROM v1, t2
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WHERE t2.c = v1.c AND t2.c = v1.b AND v1.b = t3.c);
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id select_type table type possible_keys key key_len ref rows Extra
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-1 PRIMARY t2 system NULL NULL NULL NULL 1
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-1 PRIMARY <derived3> ref key1 key1 10 const,const 0 Start temporary
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+1 PRIMARY t2 ALL NULL NULL NULL NULL 1 Using where; Start temporary
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+1 PRIMARY <derived3> ref key1 key1 10 test.t2.c,test.t2.c 2
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1 PRIMARY t3 ALL NULL NULL NULL NULL 2 Using where; End temporary; Using join buffer (flat, BNL join)
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3 DERIVED t1 ALL NULL NULL NULL NULL 3
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SELECT * FROM t3
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