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Code Activity

fixed error handling bug

Browse Source 
fixed naming bug
fixed bug of subselect excluding


mysql-test/r/subselect.result:
  test of error handling bug
  test of naming bug
  test bug of subselect excluding
mysql-test/t/subselect.test:
  test of error handling bug
  test of naming bug
  test bug of subselect excluding
sql/item_subselect.cc:
  fixed naming bug
  fixed error handling bug
sql/sql_lex.cc:
  fixed subselect excluding bug
This commit is contained in:
unknown
2002-11-29 10:44:30 +02:00
parent 781a5bc81a
commit 5b62dfcdf5
4 changed files with 17 additions and 1 deletions
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8
mysql-test/r/subselect.result
View File

@ -35,6 +35,14 @@ Unknown column 'a' in 'field list'
SELECT * FROM (SELECT 1 as id) WHERE id IN (SELECT * FROM (SELECT 1 as id) ORDER BY id LIMIT 1);
id
1
SELECT * FROM (SELECT 1) WHERE 1 IN (SELECT 1,1);
Cardinality error (more/less than 1 columns)
SELECT 1 IN (SELECT 1);
1 IN (SELECT 1)
1
SELECT 1 FROM (SELECT 1 as a) WHERE 1 IN (SELECT (SELECT a));
1
1
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;
create table t1 (a int);
create table t2 (a int, b int);

4
mysql-test/t/subselect.test
View File

@ -16,6 +16,10 @@ SELECT 1 as a FROM (SELECT 1) HAVING (SELECT a)=1;
-- error 1054
SELECT 1 FROM (SELECT (SELECT a));
SELECT * FROM (SELECT 1 as id) WHERE id IN (SELECT * FROM (SELECT 1 as id) ORDER BY id LIMIT 1);
-- error 1239
SELECT * FROM (SELECT 1) WHERE 1 IN (SELECT 1,1);
SELECT 1 IN (SELECT 1);
SELECT 1 FROM (SELECT 1 as a) WHERE 1 IN (SELECT (SELECT a));
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8;
create table t1 (a int);

3
sql/item_subselect.cc
View File

@ -92,6 +92,7 @@ bool Item_subselect::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
if (substitution)
{
(*ref)= substitution;
substitution->name= name;
engine->exclude();
return substitution->fix_fields(thd, tables, ref);
}
@ -293,7 +294,7 @@ void Item_in_subselect::single_value_transformer(st_select_lex *select_lex,
if (sl->item_list.elements > 1)
{
my_error(ER_CARDINALITY_COL, MYF(0), 1);
item= 0; // Item_asterisk_remover must fail
DBUG_VOID_RETURN;
}
else
item= (Item*) sl->item_list.pop();

3
sql/sql_lex.cc
View File

@ -1071,7 +1071,10 @@ void st_select_lex_unit::exclude_level()
sl->link_next->link_prev= sl->link_prev;
SELECT_LEX_UNIT **last= 0;
for (SELECT_LEX_UNIT *u= sl->first_inner_unit(); u; u= u->next_unit())
{
u->master= master;
last= (SELECT_LEX_UNIT**)&(u->next);
}
if (last)
{
(*units_last)= sl->first_inner_unit();