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-rw-r--r--mysql-test/t/merge.test7
1 files changed, 7 insertions, 0 deletions
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;