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fixed bug of subselect in derived tables

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bell@sanja.is.com.ua 2002-11-25 10:58:49 +02:00
parent c74c93ffc3
commit fdfe6a4c5e
3 changed files with 8 additions and 1 deletions
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2
mysql-test/r/subselect.result
View file

@ -30,6 +30,8 @@ Unknown column 'a' in 'field list'
SELECT 1 as a FROM (SELECT 1) HAVING (SELECT a)=1;
a
1
SELECT 1 FROM (SELECT (SELECT a));
Unknown column 'a' in 'field list'
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;
create table t1 (a int);
create table t2 (a int, b int);

2
mysql-test/t/subselect.test
View file

@ -13,6 +13,8 @@ SELECT 1 FROM (SELECT 1 as a) HAVING (SELECT a)=1;
-- error 1054
SELECT (SELECT 1), a;
SELECT 1 as a FROM (SELECT 1) HAVING (SELECT a)=1;
-- error 1054
SELECT 1 FROM (SELECT (SELECT a));
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;
create table t1 (a int);
create table t2 (a int, b int);

5
sql/item.cc
View file

@ -472,7 +472,8 @@ bool Item_field::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
REPORT_EXCEPT_NOT_FOUND)) !=
(Item **)not_found_item)
break;
if (sl->linkage == DERIVED_TABLE_TYPE)
break; // do not look over derived table
}
if (!tmp)
return -1;
@ -887,6 +888,8 @@ bool Item_ref::fix_fields(THD *thd,TABLE_LIST *tables, Item **reference)
if ((tmp= find_field_in_tables(thd, this,
sl->get_table_list(),
0)) != not_found_field);
if (sl->linkage == DERIVED_TABLE_TYPE)
break; // do not look over derived table
}
if (!ref)