Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0-bugteam

into  moonbone.local:/work/27219-5.0-opt-mysql


sql/item.cc:
  Auto merged
sql/item_subselect.cc:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_select.cc:
  Auto merged

1 files changed, 14 insertions, 0 deletions

diff --git a/sql/item_subselect.cc b/sql/item_subselect.cc
index a03a7d739b2..401751660fd 100644
--- a/sql/item_subselect.cc
+++ b/sql/item_subselect.cc
@@ -1442,6 +1442,19 @@ Item_in_subselect::select_in_like_transformer(JOIN *join, Comp_creator *func)
 
   DBUG_ENTER("Item_in_subselect::select_in_like_transformer");
 
+  {
+    /*
+      IN/SOME/ALL/ANY subqueries aren't support LIMIT clause. Without it
+      ORDER BY clause becomes meaningless thus we drop it here.
+    */
+    SELECT_LEX *sl= current->master_unit()->first_select();
+    for (; sl; sl= sl->next_select())
+    {
+      if (sl->join)
+        sl->join->order= 0;
+    }
+  }
+
   if (changed)
   {
     DBUG_RETURN(RES_OK);
@@ -1476,6 +1489,7 @@ Item_in_subselect::select_in_like_transformer(JOIN *join, Comp_creator *func)
 
   transformed= 1;
   arena= thd->activate_stmt_arena_if_needed(&backup);
+
   /*
     Both transformers call fix_fields() only for Items created inside them,
     and all that items do not make permanent changes in current item arena