From 138e5d57eb1d37f438294da9442e191812946381 Mon Sep 17 00:00:00 2001
From: "Sinisa@sinisa.nasamreza.org" <>
Date: Sat, 15 Jun 2002 20:59:42 +0300
Subject: Fixed a bug in optimiser with MERGE tables with non-unique values
 with aggregating functions.

This consistently crashed Mysql
---
 mysql-test/t/merge.test | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'mysql-test/t/merge.test')

diff --git a/mysql-test/t/merge.test b/mysql-test/t/merge.test
index 5bd78769a05..de26d7eb1d3 100644
--- a/mysql-test/t/merge.test
+++ b/mysql-test/t/merge.test
@@ -168,3 +168,10 @@ select * from t3 order by a,b;
 select * from t4 order by a,b;
 select * from t5 order by a,b;
 drop table if exists t6, t5, t4, t3, t2, t1;
+CREATE TABLE t1 (  a int(11) NOT NULL default '0',  b int(11) NOT NULL default '0',  PRIMARY KEY  (a,b)) TYPE=MyISAM;
+INSERT INTO t1 VALUES (1,1), (2,1);
+CREATE TABLE t2 (  a int(11) NOT NULL default '0',  b int(11) NOT NULL default '0',  PRIMARY KEY  (a,b)) TYPE=MyISAM;
+INSERT INTO t2 VALUES (1,2), (2,2);
+CREATE TABLE t (  a int(11) NOT NULL default '0',  b int(11) NOT NULL default '0',  KEY a (a,b)) TYPE=MRG_MyISAM UNION=(t1,t2);
+select max(b) from t where a = 2;
+drop table if exists t,t1,t2;
-- 
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