bk commit into 4.1 tree (igor:1.2360) BUG#12095

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ChangeSet
  1.2360 05/07/31 02:32:33 igor@stripped +1 -0
  Fixed bug #12095: a join query with GROUP_CONCAT over a single row table.
  If GROUP_CONCAT is calculated we always put its argument into a temp
  table, even when the argument is a constant item.
  

  sql/item_sum.cc
    1.141 05/07/31 02:28:58 igor@stripped +1 -0

# This is a BitKeeper patch.  What follows are the unified diffs for the
# set of deltas contained in the patch.  The rest of the patch, the part
# that BitKeeper cares about, is below these diffs.
# User:	igor
# Host:	rurik.mysql.com
# Root:	/home/igor/dev/mysql-4.1-0

--- 1.140/sql/item_sum.cc	Tue Jul 26 00:51:06 2005
+++ 1.141/sql/item_sum.cc	Sun Jul 31 02:28:58 2005
@@ -1986,6 +1986,7 @@
   }
   
   count_field_types(tmp_table_param,all_fields,0);
+  tmp_table_param->need_const= 1;
   if (table)
   {
     /*