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check of LIMIT in row IN subquery (SCRUM related)

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This commit is contained in:
bell@sanja.is.com.ua
2002-12-25 12:03:08 +02:00
parent 980ca35645
commit e67a0d2b86
3 changed files with 18 additions and 0 deletions
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2
mysql-test/r/subselect.result
View File

@@ -809,4 +809,6 @@ NULL
select ROW(1, 1, 'a') IN (select b,a,c from t where c='b' or c='a');
ROW(1, 1, 'a') IN (select b,a,c from t where c='b' or c='a')
1
select ROW(1, 1, 'a') IN (select b,a,c from t limit 2);
This version of MySQL doesn't yet support 'LIMIT & IN/ALL/ANY/SOME subquery'
drop table if exists t;

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

@@ -454,4 +454,6 @@ select ROW(1, 1, 'a') IN (select b,a,c from t where a is not null);
select ROW(1, 1, 'a') IN (select a,b,c from t where c='b' or c='a');
select ROW(1, 2, 'a') IN (select a,b,c from t where c='b' or c='a');
select ROW(1, 1, 'a') IN (select b,a,c from t where c='b' or c='a');
-- error 1235
select ROW(1, 1, 'a') IN (select b,a,c from t limit 2);
drop table if exists t;

14
sql/item_subselect.cc
View File

@@ -517,6 +517,13 @@ void Item_in_subselect::row_value_transformer(st_select_lex *select_lex,
Item *left_expr)
{
DBUG_ENTER("Item_in_subselect::row_value_transformer");
if (select_lex->master_unit()->global_parameters->select_limit !=
HA_POS_ERROR)
{
my_error(ER_NOT_SUPPORTED_YET, MYF(0),
"LIMIT & IN/ALL/ANY/SOME subquery");
DBUG_VOID_RETURN;
}
Item_in_optimizer *optimizer;
substitution= optimizer= new Item_in_optimizer(left_expr, this);
if (!optimizer)
@@ -530,6 +537,13 @@ void Item_in_subselect::row_value_transformer(st_select_lex *select_lex,
DBUG_VOID_RETURN;
for (SELECT_LEX * sl= select_lex; sl; sl= sl->next_select())
{
if (select_lex->select_limit != HA_POS_ERROR)
{
my_error(ER_NOT_SUPPORTED_YET, MYF(0),
"LIMIT & IN/ALL/ANY/SOME subquery");
DBUG_VOID_RETURN;
}
select_lex->dependent= 1;
Item *item= 0;