diff options
Diffstat (limited to 'sql/item.h')
| -rw-r--r-- | sql/item.h | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/sql/item.h b/sql/item.h index 6a9d401b101..5eab1d049f0 100644 --- a/sql/item.h +++ b/sql/item.h @@ -624,6 +624,13 @@ class st_select_lex_unit; class Item_func_not; class Item_splocal; +/* Item::common_flags */ +/* Indicates that name of this Item autogenerated or set by user */ +#define IS_AUTO_GENERATED_NAME 1 +/* Indicates that this item is in CYCLE clause of WITH */ +#define IS_IN_WITH_CYCLE 2 + + /** String_copier that sends Item specific warnings. */ @@ -931,8 +938,9 @@ public: True if any item except Item_sum contains a field. Set during parsing. */ bool with_field; - bool is_autogenerated_name; /* indicate was name of this Item - autogenerated or set by user */ + uint8 common_flags; + bool is_autogenerated_name() + { return (common_flags & IS_AUTO_GENERATED_NAME); } // alloc & destruct is done as start of select on THD::mem_root Item(THD *thd); /* @@ -1815,6 +1823,15 @@ public: virtual bool need_parentheses_in_default() { return false; } virtual void save_in_result_field(bool no_conversions) {} /* + Data type format implied by the CHECK CONSTRAINT, + to be sent to the client in the result set metadata. + */ + virtual bool set_format_by_check_constraint(Send_field_extended_metadata *) + const + { + return false; + } + /* set value of aggregate function in case of no rows for grouping were found */ virtual void no_rows_in_result() {} @@ -7028,6 +7045,7 @@ public: name= item->name; Type_std_attributes::set(*attr); maybe_null= maybe_null_arg; + common_flags= item->common_flags; } const Type_handler *type_handler() const |