merge

mysql-test/r/derived.result:
  Auto merged
mysql-test/t/derived.test:
  Auto merged
sql/item.cc:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/item_cmpfunc.h:
  Auto merged
sql/item_sum.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_acl.cc:
  Auto merged
sql/sql_base.cc:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_class.h:
  Auto merged
sql/sql_lex.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/sql_union.cc:
  Auto merged
sql/sql_update.cc:
  Auto merged

1 files changed, 6 insertions, 0 deletions

diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index 2f55ec6e211..a05fa44cfc9 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -453,3 +453,9 @@ int st_select_lex_unit::cleanup()
   }
   DBUG_RETURN(error);
 }
+
+
+void st_select_lex_unit::reinit_exec_mechanism()
+{
+  prepared= optimized= executed= 0;
+}