diff options
Diffstat (limited to 'sql/field.h')
| -rw-r--r-- | sql/field.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sql/field.h b/sql/field.h index d709a84e0fe..358eb3939dc 100644 --- a/sql/field.h +++ b/sql/field.h @@ -977,6 +977,26 @@ public: DBUG_ASSERT(ls.length < UINT_MAX32); return store(ls.str, (uint) ls.length, cs); } + + /* + @brief + Store minimum/maximum value of a column in the statistics table. + @param + field statistical table field + str value buffer + */ + virtual int store_to_statistical_minmax_field(Field *field, String *str); + + /* + @brief + Store minimum/maximum value of a column from the statistical table. + + @param + field statistical table field + str value buffer + */ + virtual int store_from_statistical_minmax_field(Field *field, String *str); + virtual double val_real()=0; virtual longlong val_int()=0; /* @@ -4946,6 +4966,8 @@ public: static_cast<uint16>((field_length & 7) | ((field_length / 8) << 8)), 2); } + int store_to_statistical_minmax_field(Field *fld, String *str) override; + int store_from_statistical_minmax_field(Field *fld, String *str) override; private: size_t do_last_null_byte() const override; |