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after merge fix of 577 task (SCRUM, pre commit to be able to merge with static tables optimization fix)

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fixed derived tables with subselect inside
This commit is contained in:
bell@sanja.is.com.ua
2003-01-26 21:30:35 +02:00
parent 44d8a8cdab
commit 760e22f0bb
16 changed files with 141 additions and 94 deletions
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12
mysql-test/r/derived.result
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@ -95,7 +95,17 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY <derived2> ALL NULL NULL NULL NULL 8
2 DERIVED t1 ALL NULL NULL NULL NULL 4
3 UNION t1 ALL NULL NULL NULL NULL 4
drop table if exists t1;
CREATE TABLE t2 (a int not null);
insert into t2 values(1);
select * from (select * from t1 where t1.a=(select a from t2 where t2.a=t1.a)) a;
a b
1 a
select * from (select * from t1 where t1.a=(select t2.a from t2 where t2.a=t1.a) union select t1.a, t1.b from t1) a;
a b
1 a
2 b
3 c
drop table t1, t2;
create table t1(a int not null, t char(8), index(a));
SELECT * FROM (SELECT * FROM t1) as b ORDER BY a ASC LIMIT 0,20;
a t