diff options
Diffstat (limited to 'sql/item_subselect.cc')
| -rw-r--r-- | sql/item_subselect.cc | 20 |
1 files changed, 4 insertions, 16 deletions
diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc index d521ad0b4e8..6f2286561b9 100644 --- a/sql/item_subselect.cc +++ b/sql/item_subselect.cc @@ -123,20 +123,6 @@ void Item_subselect::cleanup() } -/* - We cannot use generic Item::safe_charset_converter() because - Subselect transformation does not happen in view_prepare_mode - and thus we can not evaluate val_...() for const items. -*/ - -Item *Item_subselect::safe_charset_converter(CHARSET_INFO *tocs) -{ - Item_func_conv_charset *conv= - new Item_func_conv_charset(this, tocs, thd->lex->view_prepare_mode ? 0 : 1); - return conv->safe ? conv : NULL; -} - - void Item_singlerow_subselect::cleanup() { DBUG_ENTER("Item_singlerow_subselect::cleanup"); @@ -271,6 +257,7 @@ bool Item_subselect::exec() if (thd->is_error() || thd->killed) return 1; + DBUG_ASSERT(!thd->lex->context_analysis_only); /* Simulate a failure in sub-query execution. Used to test e.g. out of memory or query being killed conditions. @@ -307,7 +294,7 @@ table_map Item_subselect::used_tables() const bool Item_subselect::const_item() const { - return const_item_cache; + return thd->lex->context_analysis_only ? FALSE : const_item_cache; } Item *Item_subselect::get_tmp_table_item(THD *thd_arg) @@ -1638,7 +1625,8 @@ bool Item_in_subselect::fix_fields(THD *thd_arg, Item **ref) { bool result = 0; - if (thd_arg->lex->view_prepare_mode && left_expr && !left_expr->fixed) + if ((thd_arg->lex->context_analysis_only & CONTEXT_ANALYSIS_ONLY_VIEW) && + left_expr && !left_expr->fixed) result = left_expr->fix_fields(thd_arg, &left_expr); return result || Item_subselect::fix_fields(thd_arg, ref); |