1 files changed, 1 insertions, 0 deletions
diff --git a/sql/field.h b/sql/field.h
index 7c55bcf7066..c31d70dd651 100644
--- a/sql/field.h
+++ b/sql/field.h
@@ -1232,6 +1232,7 @@ public:
   int  store(longlong nr);
   int  store_decimal(const my_decimal *);
   void get_key_image(char *buff,uint length,imagetype type);
+  uint size_of() const { return sizeof(*this); }
 };
 #endif /*HAVE_SPATIAL*/