Merge of the patch introducing virtual columns into maria-5.2

1 files changed, 11 insertions, 0 deletions

diff --git a/sql/handler.h b/sql/handler.h
index 31a40d6ce31..cfea6175733 100644
--- a/sql/handler.h
+++ b/sql/handler.h
@@ -1897,6 +1897,17 @@ public:
 
   LEX_STRING *engine_name() { return hton_name(ht); }
 
+  /*
+    @brief
+    Check whether the engine supports virtual columns
+    
+    @retval
+      FALSE   if the engine does not support virtual columns    
+    @retval
+      TRUE    if the engine supports virtual columns
+  */
+  virtual bool check_if_supported_virtual_columns(void) { return FALSE;}
+
 protected:
   /* Service methods for use by storage engines. */
   void ha_statistic_increment(ulong SSV::*offset) const;