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Merge sinisa@work.mysql.com:/home/bk/mysql-4.1

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into sinisa.nasamreza.org:/mnt/work/mysql-4.1
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2002-10-12 15:52:51 +03:00
parent c41f19c2d5 102cec1465
commit 70a1cebb88
3 changed files with 20 additions and 6 deletions
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6
mysql-test/r/subselect.result
View File

@ -159,6 +159,12 @@ UNIQUE KEY `email` (`email`)
INSERT INTO inscrit (pseudo,email) VALUES ('joce','test');
INSERT INTO inscrit (pseudo,email) VALUES ('joce1','test1');
INSERT INTO inscrit (pseudo,email) VALUES ('2joce1','2test1');
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo,email FROM
inscrit WHERE pseudo='joce');
Subselect returns more than 1 field
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT * FROM inscrit WHERE
pseudo='joce');
Subselect returns more than 1 field
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce');
pseudo
joce

6
mysql-test/t/subselect.test
View File

@ -82,6 +82,12 @@ CREATE TABLE `inscrit` (
INSERT INTO inscrit (pseudo,email) VALUES ('joce','test');
INSERT INTO inscrit (pseudo,email) VALUES ('joce1','test1');
INSERT INTO inscrit (pseudo,email) VALUES ('2joce1','2test1');
-- error 1239
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo,email FROM
inscrit WHERE pseudo='joce');
-- error 1239
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT * FROM inscrit WHERE
pseudo='joce');
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo='joce');
-- error 1240
SELECT pseudo FROM inscrit WHERE pseudo=(SELECT pseudo FROM inscrit WHERE pseudo LIKE '%joce%');

14
sql/item_subselect.cc
View File

@ -81,15 +81,17 @@ void Item_subselect::make_field (Send_field *tmp_field)
bool Item_subselect::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
{
// Is it one field subselect?
if (engine->cols() > max_columns)
{
my_message(ER_SUBSELECT_NO_1_COL, ER(ER_SUBSELECT_NO_1_COL), MYF(0));
return 1;
}
int res= engine->prepare();
if (!res)
{
// Is it one field subselect?
if (engine->cols() > max_columns)
{
my_message(ER_SUBSELECT_NO_1_COL, ER(ER_SUBSELECT_NO_1_COL), MYF(0));
return 1;
}
fix_length_and_dec();
}
return res;
}