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IN subselect erged with current 4.1 (pointer conversion)

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This commit is contained in:
bell@sanja.is.com.ua
2002-11-05 11:21:40 +02:00
parent ded512d5a1 ee9b1b6ec0
commit 1575f62374
11 changed files with 276 additions and 18 deletions
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22
mysql-test/r/subselect.result
View File

@@ -99,6 +99,17 @@ select * from t3 where not exists (select * from t2 where t2.b=t3.a);
a
6
3
select * from t3 where a in (select b from t2);
a
7
select * from t3 where a not in (select b from t2);
a
6
3
select * from t3 where a in (select a,b from t2);
Subselect returns more than 1 field
select * from t3 where a in (select * from t2);
Subselect returns more than 1 field
insert into t4 values (12,7),(1,7),(10,9),(9,6),(7,6),(3,9);
select b,max(a) as ma from t4 group by b having b < (select max(t2.a)
from t2 where t2.b=t4.b);
@@ -219,4 +230,15 @@ id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY searchconthardwarefr3 index NULL topic 3 NULL 2 Using index
2 SUBSELECT No tables used
3 UNION No tables used
SELECT 1 IN (SELECT 1 FROM searchconthardwarefr3 HAVING a);
Unknown column 'a' in 'having clause'
SELECT * from searchconthardwarefr3 where topic IN (SELECT topic FROM searchconthardwarefr3 GROUP BY date);
topic date pseudo
40143 2002-08-03 joce
43506 2002-10-02 joce
SELECT * from searchconthardwarefr3 where topic IN (SELECT topic FROM searchconthardwarefr3 GROUP BY date HAVING topic < 4100);
topic date pseudo
43506 2002-10-02 joce
SELECT * from searchconthardwarefr3 where topic IN (SELECT SUM(topic) FROM searchconthardwarefr3);
topic date pseudo
drop table searchconthardwarefr3;

11
mysql-test/t/subselect.test
View File

@@ -34,6 +34,12 @@ select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2
explain select b,(select avg(t2.a+(select min(t3.a) from t3 where t3.a >= t4.a)) from t2) from t4;
select * from t3 where exists (select * from t2 where t2.b=t3.a);
select * from t3 where not exists (select * from t2 where t2.b=t3.a);
select * from t3 where a in (select b from t2);
select * from t3 where a not in (select b from t2);
-- error 1239
select * from t3 where a in (select a,b from t2);
-- error 1239
select * from t3 where a in (select * from t2);
insert into t4 values (12,7),(1,7),(10,9),(9,6),(7,6),(3,9);
select b,max(a) as ma from t4 group by b having b < (select max(t2.a)
from t2 where t2.b=t4.b);
@@ -114,4 +120,9 @@ SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION SELECT 1) UNION ALL
-- error 1240
SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION ALL SELECT 1) UNION SELECT 1;
EXPLAIN SELECT 1 FROM searchconthardwarefr3 WHERE 1=(SELECT 1 UNION SELECT 1);
-- error 1054
SELECT 1 IN (SELECT 1 FROM searchconthardwarefr3 HAVING a);
SELECT * from searchconthardwarefr3 where topic IN (SELECT topic FROM searchconthardwarefr3 GROUP BY date);
SELECT * from searchconthardwarefr3 where topic IN (SELECT topic FROM searchconthardwarefr3 GROUP BY date HAVING topic < 4100);
SELECT * from searchconthardwarefr3 where topic IN (SELECT SUM(topic) FROM searchconthardwarefr3);
drop table searchconthardwarefr3;