missing test case for DISTINCT .. LEFT ..

mysql-test/r/distinct.result

@@ -419,3 +419,12 @@ SELECT DISTINCT t1.a, t2.b FROM t1, t2 WHERE t1.a=1 ORDER BY t2.c;
 a	b
 1	4
 DROP TABLE IF EXISTS t1,t2;
+CREATE table t1 (  `id` int(11) NOT NULL auto_increment,  `name` varchar(50) NOT NULL default '',  PRIMARY KEY  (`id`)) TYPE=MyISAM AUTO_INCREMENT=3 ;
+INSERT INTO t1 VALUES (1, 'aaaaa');
+INSERT INTO t1 VALUES (3, 'aaaaa');
+INSERT INTO t1 VALUES (2, 'eeeeeee');
+select distinct left(name,1) as name from t1;
+name
+a
+e
+drop  table t1;

mysql-test/t/distinct.test

@@ -273,4 +273,11 @@ CREATE TABLE t2 (a int primary key, b int, c int);
 INSERT t2 VALUES (3,4,5);
 SELECT DISTINCT t1.a, t2.b FROM t1, t2 WHERE t1.a=1 ORDER BY t2.c;
 DROP TABLE IF EXISTS t1,t2;
+CREATE table t1 (  `id` int(11) NOT NULL auto_increment,  `name` varchar(50) NOT NULL default '',  PRIMARY KEY  (`id`)) TYPE=MyISAM AUTO_INCREMENT=3 ;
+INSERT INTO t1 VALUES (1, 'aaaaa');
+INSERT INTO t1 VALUES (3, 'aaaaa');
+INSERT INTO t1 VALUES (2, 'eeeeeee');
+select distinct left(name,1) as name from t1;
+drop  table t1; 
+