Merge for Item_equal.

BitKeeper/etc/ignore:
  auto-union
mysql-test/r/bdb.result:
  Auto merged
mysql-test/r/func_group.result:
  Auto merged
mysql-test/r/innodb.result:
  Auto merged
mysql-test/r/heap_btree.result:
  Auto merged
mysql-test/r/select.result:
  Auto merged
mysql-test/r/user_var.result:
  Auto merged
mysql-test/t/range.test:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/item_func.h:
  Auto merged
sql/item_row.cc:
  Auto merged
sql/item_strfunc.h:
  Auto merged
sql/opt_sum.cc:
  Auto merged
sql/sql_list.h:
  Auto merged
mysql-test/r/func_test.result:
  Post-automerge resolution of conflicts
mysql-test/r/index_merge.result:
  Post-automerge resolution of conflicts
mysql-test/r/join_outer.result:
  Post-automerge resolution of conflicts
mysql-test/r/range.result:
  Post-automerge resolution of conflicts
mysql-test/r/subselect.result:
  Post-automerge resolution of conflicts
sql/item.cc:
  Post-automerge resolution of conflicts
sql/item.h:
  Post-automerge resolution of conflicts
sql/item_cmpfunc.cc:
  Post-automerge resolution of conflicts
sql/item_cmpfunc.h:
  Post-automerge resolution of conflicts
sql/opt_range.cc:
  Post-automerge resolution of conflicts
sql/sql_select.cc:
  Post-automerge resolution of conflicts
sql/sql_select.h:
  Post-automerge resolution of conflicts

1 files changed, 12 insertions, 0 deletions

diff --git a/sql/item_row.cc b/sql/item_row.cc
index f6623e80734..8bf0d5061a7 100644
--- a/sql/item_row.cc
+++ b/sql/item_row.cc
@@ -145,6 +145,18 @@ bool Item_row::walk(Item_processor processor, byte *arg)
   return (this->*processor)(arg);
 }
 
+Item *Item_row::transform(Item_transformer transformer, byte *arg)
+{
+  for (uint i= 0; i < arg_count; i++)
+  {
+    Item *new_item= items[i]->transform(transformer, arg);
+    if (!new_item)
+      return 0;
+    items[i]= new_item;
+  }
+  return (this->*transformer)(arg);
+}
+
 void Item_row::bring_value()
 {
   for (uint i= 0; i < arg_count; i++)