From f2b9c5f491dfc373112e01f18dd7ce2b7bae3003 Mon Sep 17 00:00:00 2001 From: "igor@rurik.mysql.com" <> Date: Thu, 12 Aug 2004 00:02:29 -0700 Subject: olap.test, olap.result: Added test case for bug #4767. item_sum.cc: Added a correct setting of the maybe_null flag for a copy of an Item_sum object where the argument was a field of an inner table in an outer join read from a temporary table. It's part of the fix for bug #4767. sql_select.cc: Made change_refs_to_tmp_fields work correctly for test case of bug #4767 where Item_sum::get_tmp_table_item failed to build a correct copy of an Item_sum object referring to a field in a temporary table. It looks like a hack yet. --- sql/sql_select.cc | 2 ++ 1 file changed, 2 insertions(+) (limited to 'sql/sql_select.cc') diff --git a/sql/sql_select.cc b/sql/sql_select.cc index f8bc6210a2f..87b869df658 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -4995,6 +4995,8 @@ create_tmp_table(THD *thd,TMP_TABLE_PARAM *param,List &fields, blob_count++; } ((Item_sum*) item)->args[i]= new Item_field(new_field); + if (((Item_sum*) item)->arg_count == 1) + ((Item_sum*) item)->result_field= new_field; } } } -- cgit v1.2.1