1 files changed, 3 insertions, 0 deletions
diff --git a/sql/table.h b/sql/table.h
index b9ebeda160a..d09194442c8 100644
--- a/sql/table.h
+++ b/sql/table.h
@@ -128,6 +128,9 @@ struct st_table {
 
   uint          temp_pool_slot;
 
+  /* number of select if it is derived table */
+  uint          derived_select_number;   
+
   THD		*in_use;			/* Which thread uses this */
   struct st_table *next,*prev;
 };