diff options
| author | unknown <bell@sanja.is.com.ua> | 2004-09-17 19:08:46 +0300 |
|---|---|---|
| committer | unknown <bell@sanja.is.com.ua> | 2004-09-17 19:08:46 +0300 |
| commit | 580f12cc048cac99e5594ce94ab0b2ca63cad41a (patch) | |
| tree | 022a3cf7464979f652d1c7ab9f1cd44108d5a639 /sql/item_subselect.cc | |
| parent | f177c76fb226f70be426175f3d53eed557096ba4 (diff) | |
| download | mariadb-git-580f12cc048cac99e5594ce94ab0b2ca63cad41a.tar.gz | |
fixed error handling if creating derived table failed
single row subquery always can return NULL (no rows found) (BUG#5590)
mysql-test/r/subselect.result:
maybe_null flag returning by subquwery for temporary table creation
mysql-test/t/subselect.test:
maybe_null flag returning by subquwery for temporary table creation
sql/item.cc:
storing maybe_null in type holder
sql/item_subselect.cc:
single row subquery always can return NULL (no rows found)
sql/sql_derived.cc:
fixed error handling if creating derived table failed
Diffstat (limited to 'sql/item_subselect.cc')
| -rw-r--r-- | sql/item_subselect.cc | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc index 3ddf9a1c6bf..3dbf4eae55b 100644 --- a/sql/item_subselect.cc +++ b/sql/item_subselect.cc @@ -401,7 +401,6 @@ void Item_singlerow_subselect::fix_length_and_dec() engine->fix_length_and_dec(row); value= *row; } - maybe_null= engine->may_be_null(); } uint Item_singlerow_subselect::cols() |