Automerge.

3 files changed, 17 insertions, 8 deletions

diff --git a/sql/field.cc b/sql/field.cc
index c887a5f1c9b..619e6a780da 100644
--- a/sql/field.cc
+++ b/sql/field.cc
@@ -1535,7 +1535,7 @@ void Field::make_field(Send_field *field)
   }
   else
     field->org_table_name= field->db_name= "";
-  if (orig_table)
+  if (orig_table && orig_table->alias)
   {
     field->table_name= orig_table->alias;
     field->org_col_name= field_name;
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 7ee1762295f..a77c270f709 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -2378,13 +2378,8 @@ JOIN::destroy()
 
   cleanup(1);
  /* Cleanup items referencing temporary table columns */
-  if (!tmp_all_fields3.is_empty())
-  {
-    List_iterator_fast<Item> it(tmp_all_fields3);
-    Item *item;
-    while ((item= it++))
-      item->cleanup();
-  }
+  cleanup_item_list(tmp_all_fields1);
+  cleanup_item_list(tmp_all_fields3);
   if (exec_tmp_table1)
     free_tmp_table(thd, exec_tmp_table1);
   if (exec_tmp_table2)
@@ -2395,6 +2390,19 @@ JOIN::destroy()
   DBUG_RETURN(error);
 }
 
+
+void JOIN::cleanup_item_list(List<Item> &items) const
+{
+  if (!items.is_empty())
+  {
+    List_iterator_fast<Item> it(items);
+    Item *item;
+    while ((item= it++))
+      item->cleanup();
+  }
+}
+
+
 /**
   An entry point to single-unit select (a select without UNION).
 
diff --git a/sql/sql_select.h b/sql/sql_select.h
index fbe23bbd8fe..1823eee842d 100644
--- a/sql/sql_select.h
+++ b/sql/sql_select.h
@@ -577,6 +577,7 @@ private:
   */
   bool implicit_grouping; 
   bool make_simple_join(JOIN *join, TABLE *tmp_table);
+  void cleanup_item_list(List<Item> &items) const;
 };