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-rw-r--r--mysql-test/t/multi_update.test41
1 files changed, 41 insertions, 0 deletions
diff --git a/mysql-test/t/multi_update.test b/mysql-test/t/multi_update.test
index da19a18c73a..84e6a444d47 100644
--- a/mysql-test/t/multi_update.test
+++ b/mysql-test/t/multi_update.test
@@ -534,3 +534,44 @@ select * from t1;
select * from t2;
drop view v1;
drop table t1, t2;
+
+#
+# Bug#27716 multi-update did partially and has not binlogged
+#
+
+CREATE TABLE `t1` (
+ `a` int(11) NOT NULL auto_increment,
+ `b` int(11) default NULL,
+ PRIMARY KEY (`a`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 ;
+
+CREATE TABLE `t2` (
+ `a` int(11) NOT NULL auto_increment,
+ `b` int(11) default NULL,
+ PRIMARY KEY (`a`)
+) ENGINE=MyISAM DEFAULT CHARSET=latin1 ;
+
+# A. testing multi_update::send_eof() execution branch
+insert into t1 values (1,1),(2,2);
+insert into t2 values (1,1),(4,4);
+reset master;
+--error ER_DUP_ENTRY
+UPDATE t2,t1 SET t2.a=t1.a+2;
+# check
+select * from t2 /* must be (3,1), (4,4) */;
+show master status /* there must be the UPDATE query event */;
+
+# B. testing multi_update::send_error() execution branch
+delete from t1;
+delete from t2;
+insert into t1 values (1,2),(3,4),(4,4);
+insert into t2 values (1,2),(3,4),(4,4);
+reset master;
+--error ER_DUP_ENTRY
+UPDATE t2,t1 SET t2.a=t2.b where t2.a=t1.a;
+show master status /* there must be the UPDATE query event */;
+
+# cleanup bug#27716
+drop table t1, t2;
+
+--echo end of tests