From 192eb65e26a3dca2659fec54ce9b3935f205fc4c Mon Sep 17 00:00:00 2001
From: "bell@sanja.is.com.ua" <>
Date: Wed, 19 May 2004 18:13:21 +0300
Subject: [PATCH] after merge fix

---
 sql/sql_union.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sql/sql_union.cc b/sql/sql_union.cc
index ec1abc57a51..e56dd4b476e 100644
--- a/sql/sql_union.cc
+++ b/sql/sql_union.cc
@@ -361,7 +361,8 @@ int st_select_lex_unit::exec()
       item->reset();
       table->file->delete_all_rows();
     }
-    if (union_distinct && table->file->enable_indexes(HA_KEY_SWITCH_ALL))
+    if (union_distinct && table->file->enable_indexes(HA_KEY_SWITCH_ALL) &&
+        !describe)
       DBUG_RETURN(1);  // For sub-selects
     for (SELECT_LEX *sl= select_cursor; sl; sl= sl->next_select())
     {