diff options
Diffstat (limited to 'sql/field.h')
| -rw-r--r-- | sql/field.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sql/field.h b/sql/field.h index ed6bf1c0a9c..67705523088 100644 --- a/sql/field.h +++ b/sql/field.h @@ -130,7 +130,19 @@ public: null_bit == field->null_bit); } virtual bool eq_def(Field *field); + + /* + pack_length() returns size (in bytes) used to store field data in memory + (i.e. it returns the maximum size of the field in a row of the table, + which is located in RAM). + */ virtual uint32 pack_length() const { return (uint32) field_length; } + + /* + pack_length_in_rec() returns size (in bytes) used to store field data on + storage (i.e. it returns the maximal size of the field in a row of the + table, which is located on disk). + */ virtual uint32 pack_length_in_rec() const { return pack_length(); } virtual uint32 sort_length() const { return pack_length(); } virtual void reset(void) { bzero(ptr,pack_length()); } @@ -1395,6 +1407,12 @@ public: void init_for_tmp_table(enum_field_types sql_type_arg, uint32 max_length, uint32 decimals, bool maybe_null, bool is_unsigned); + + bool init(THD *thd, char *field_name, enum_field_types type, char *length, + char *decimals, uint type_modifier, Item *default_value, + Item *on_update_value, LEX_STRING *comment, char *change, + List<String> *interval_list, CHARSET_INFO *cs, + uint uint_geom_type); }; |