diff options
Diffstat (limited to 'sql/item_subselect.cc')
| -rw-r--r-- | sql/item_subselect.cc | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc index 8d392232f02..fe849bd213a 100644 --- a/sql/item_subselect.cc +++ b/sql/item_subselect.cc @@ -889,8 +889,10 @@ Item_in_subselect::single_value_transformer(JOIN *join, ref_pointer_array, (char *)"<ref>", this->full_name())); +#ifdef CORRECT_BUT_TOO_SLOW_TO_BE_USABLE if (!abort_on_null && left_expr->maybe_null) item= new Item_cond_or(new Item_func_isnull(left_expr), item); +#endif /* AND and comparison functions can't be changed during fix_fields() we can assign select_lex->having here, and pass 0 as last @@ -944,8 +946,10 @@ Item_in_subselect::single_value_transformer(JOIN *join, goto err; item= new Item_cond_or(item, new Item_func_isnull(orig_item)); +#ifdef CORRECT_BUT_TOO_SLOW_TO_BE_USABLE if (left_expr->maybe_null) item= new Item_cond_or(new Item_func_isnull(left_expr), item); +#endif } item->name= (char *)in_additional_cond; /* @@ -975,8 +979,10 @@ Item_in_subselect::single_value_transformer(JOIN *join, new Item_null_helper(this, item, (char *)"<no matter>", (char *)"<result>")); +#ifdef CORRECT_BUT_TOO_SLOW_TO_BE_USABLE if (!abort_on_null && left_expr->maybe_null) item= new Item_cond_or(new Item_func_isnull(left_expr), item); +#endif select_lex->having= join->having= item; select_lex->having_fix_field= 1; /* |