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-rw-r--r--sql/field.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/sql/field.h b/sql/field.h
index fd0f2f9c2f1..b5d88504939 100644
--- a/sql/field.h
+++ b/sql/field.h
@@ -277,6 +277,7 @@ public:
virtual bool get_date(TIME *ltime,uint fuzzydate);
virtual bool get_time(TIME *ltime);
virtual CHARSET_INFO *charset(void) const { return &my_charset_bin; }
+ virtual CHARSET_INFO *sort_charset(void) const { return charset(); }
virtual bool has_charset(void) const { return FALSE; }
virtual void set_charset(CHARSET_INFO *charset) { }
bool set_warning(const unsigned int level, const unsigned int code,
@@ -1152,6 +1153,8 @@ public:
bool optimize_range(uint idx, uint part) { return 0; }
bool eq_def(Field *field);
bool has_charset(void) const { return TRUE; }
+ /* enum and set are sorted as integers */
+ CHARSET_INFO *sort_charset(void) const { return &my_charset_bin; }
field_cast_enum field_cast_type() { return FIELD_CAST_ENUM; }
};