diff options
Diffstat (limited to 'sql/item.h')
| -rw-r--r-- | sql/item.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sql/item.h b/sql/item.h index 381ba98e193..a8f013f60d4 100644 --- a/sql/item.h +++ b/sql/item.h @@ -164,6 +164,7 @@ struct Hybrid_type_traits virtual my_decimal *val_decimal(Hybrid_type *val, my_decimal *buf) const; virtual String *val_str(Hybrid_type *val, String *buf, uint8 decimals) const; static const Hybrid_type_traits *instance(); + Hybrid_type_traits() {}; }; @@ -185,6 +186,7 @@ struct Hybrid_type_traits_decimal: public Hybrid_type_traits { return &val->dec_buf[val->used_dec_buf_no]; } virtual String *val_str(Hybrid_type *val, String *buf, uint8 decimals) const; static const Hybrid_type_traits_decimal *instance(); + Hybrid_type_traits_decimal() {}; }; @@ -215,6 +217,7 @@ struct Hybrid_type_traits_integer: public Hybrid_type_traits virtual String *val_str(Hybrid_type *val, String *buf, uint8 decimals) const { buf->set(val->integer, &my_charset_bin); return buf;} static const Hybrid_type_traits_integer *instance(); + Hybrid_type_traits_integer() {}; }; @@ -1502,6 +1505,7 @@ public: my_decimal *val_decimal(my_decimal *); int save_in_field(Field *field, bool no_conversions); enum Item_result result_type () const { return STRING_RESULT; } + enum Item_result cast_to_int_type() const { return INT_RESULT; } enum_field_types field_type() const { return MYSQL_TYPE_VARCHAR; } // to prevent drop fixed flag (no need parent cleanup call) void cleanup() {} @@ -1618,7 +1622,7 @@ public: } Item *real_item() { - return (*ref)->real_item(); + return (ref && *ref) ? (*ref)->real_item() : this; } bool walk(Item_processor processor, byte *arg) { return (*ref)->walk(processor, arg); } |