diff --git a/sql/item_func.cc b/sql/item_func.cc index afb09ff5b17..bef0e461a1f 100644 --- a/sql/item_func.cc +++ b/sql/item_func.cc @@ -178,7 +178,14 @@ Item_func::fix_fields(THD *thd, Item **ref) used_tables_cache= not_null_tables_cache= 0; const_item_cache=1; - if (check_stack_overrun(thd, STACK_MIN_SIZE, buff)) + /* + Use stack limit of STACK_MIN_SIZE * 2 since + on some platforms a recursive call to fix_fields + requires more than STACK_MIN_SIZE bytes (e.g. for + MIPS, it takes about 22kB to make one recursive + call to Item_func::fix_fields()) + */ + if (check_stack_overrun(thd, STACK_MIN_SIZE * 2, buff)) return TRUE; // Fatal error if flag is set! if (arg_count) { // Print purify happy