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.
2005-07-31 02:32:33 -07:00 · 2005-07-31 02:32:33 -07:00 · fea0fb2c8b
commit fea0fb2c8b
parent a5f2c7528c
1 changed files with 1 additions and 0 deletions
--- a/sql/item_sum.cc
+++ b/sql/item_sum.cc
@ -1986,6 +1986,7 @@ bool Item_func_group_concat::setup(THD *thd)
  }
  
  count_field_types(tmp_table_param,all_fields,0);
+  tmp_table_param->need_const= 1;
  if (table)
  {
    /*