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sql/item.cc:
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sql/item_cmpfunc.cc:
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sql/item_cmpfunc.h:
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sql/item_sum.cc:
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sql/mysql_priv.h:
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sql/sql_class.h:
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sql/sql_delete.cc:
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sql/sql_insert.cc:
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sql/sql_lex.h:
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sql/sql_list.h:
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sql/sql_load.cc:
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sql/sql_olap.cc:
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sql/sql_parse.cc:
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sql/sql_select.h:
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sql/sql_table.cc:
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sql/sql_yacc.yy:
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This commit is contained in:
unknown
2003-01-25 13:19:46 +02:00
parent 433307fafb b23541339c
commit fbd882fca6
33 changed files with 1145 additions and 590 deletions
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14
mysql-test/r/subselect.result
View File

@ -155,21 +155,18 @@ select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1);
a b
1 7
2 7
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1))
union (select * from t4 order by a limit 2) limit 3;
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 order by a limit 2) limit 3;
a b
1 7
2 7
3 8
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1))
union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
a b
1 7
2 7
3 8
4 8
explain (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1))
union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
explain (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 ALL NULL NULL NULL NULL 2 Using where
2 SUBSELECT t3 ALL NULL NULL NULL NULL 3 Using filesort
@ -403,19 +400,15 @@ Unknown column 'a' in 'having clause'
SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY date);
mot topic date pseudo
joce 40143 2002-10-22 joce
joce 43506 2002-10-22 joce
SELECT * from t2 where topic IN (SELECT topic FROM t2 GROUP BY date HAVING topic < 4100);
mot topic date pseudo
joce 43506 2002-10-22 joce
SELECT * from t2 where topic IN (SELECT SUM(topic) FROM t1);
mot topic date pseudo
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY date);
mot topic date pseudo
joce 40143 2002-10-22 joce
joce 43506 2002-10-22 joce
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY date HAVING topic < 4100);
mot topic date pseudo
joce 43506 2002-10-22 joce
SELECT * from t2 where topic = any (SELECT SUM(topic) FROM t1);
mot topic date pseudo
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY date);
@ -424,6 +417,7 @@ joce 40143 2002-10-22 joce
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY date HAVING topic < 4100);
mot topic date pseudo
joce 40143 2002-10-22 joce
joce 43506 2002-10-22 joce
SELECT * from t2 where topic = all (SELECT SUM(topic) FROM t2);
mot topic date pseudo
SELECT * from t2 where topic <> any (SELECT SUM(topic) FROM t2);

12
mysql-test/t/subselect.test
View File

@ -70,12 +70,9 @@ select (select a from t3), a from t2;
select * from t2 where t2.a=(select a from t1);
insert into t3 values (6),(7),(3);
select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1);
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1))
union (select * from t4 order by a limit 2) limit 3;
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1))
union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
explain (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1))
union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 order by a limit 2) limit 3;
(select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
explain (select * from t2 where t2.b=(select a from t3 order by 1 desc limit 1)) union (select * from t4 where t4.b=(select max(t2.a)*4 from t2) order by a);
select (select a from t3 where a<t2.a*4 order by 1 desc limit 1), a from t2;
select (select t3.a from t3 where a<8 order by 1 desc limit 1), a from
(select * from t2 where a>1) as tt;
@ -216,7 +213,10 @@ SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY date);
SELECT * from t2 where topic = any (SELECT topic FROM t2 GROUP BY date HAVING topic < 4100);
SELECT * from t2 where topic = any (SELECT SUM(topic) FROM t1);
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY date);
SELECT topic FROM t2 GROUP BY date;
SELECT topic FROM t2 GROUP BY date HAVING topic < 4100;
SELECT * from t2 where topic = all (SELECT topic FROM t2 GROUP BY date HAVING topic < 4100);
SELECT *, date as fff from t2 where not (SELECT date FROM t2 GROUP BY date HAVING topic < 4100 and fff!=date);
SELECT * from t2 where topic = all (SELECT SUM(topic) FROM t2);
SELECT * from t2 where topic <> any (SELECT SUM(topic) FROM t2);
drop table t1,t2;