avoid problem when all tables are const

909c229c · bell@sanja.is.com.ua · 7c49da1e · 909c229c
Commit 909c229c authored Nov 04, 2003 by bell@sanja.is.com.ua
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sql/sql_select.cc sql/sql_select.cc +2 -1

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--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -862,7 +862,8 @@ JOIN::optimize()
    We only need to do this when we have a simple_order or simple_group
    as in other cases the join is done before the sort.
  */
-  if ((order || group_list) && join_tab[const_tables].type != JT_ALL &&
+  if (const_tables != tables &&
+      (order || group_list) && join_tab[const_tables].type != JT_ALL &&
      join_tab[const_tables].type != JT_FT &&
      (order && simple_order || group_list && simple_group))
  {