4 files changed, 30 insertions, 0 deletions
diff --git a/mysql-test/r/auto_increment.result b/mysql-test/r/auto_increment.result
index 9ff02d7a7b8..bf6265e5b64 100644
--- a/mysql-test/r/auto_increment.result
+++ b/mysql-test/r/auto_increment.result
@@ -55,3 +55,8 @@ ordid	ord
 2	sdj
 3	sdj
 1	zzz
+a
+0
+Table	Op	Msg_type	Msg_text
+test.t1	check	warning	Found row where the auto_increment column has the value 0
+test.t1	check	status	OK
diff --git a/mysql-test/r/limit.result b/mysql-test/r/limit.result
index 0f5586e3b31..6c3a1ed17e4 100644
--- a/mysql-test/r/limit.result
+++ b/mysql-test/r/limit.result
@@ -20,3 +20,6 @@ a	b
 a	b
 2	2
 3	4
+i
+2
+1
diff --git a/mysql-test/t/auto_increment.test b/mysql-test/t/auto_increment.test
index 1741b51b2d6..b9b8c244699 100644
--- a/mysql-test/t/auto_increment.test
+++ b/mysql-test/t/auto_increment.test
@@ -64,3 +64,14 @@ create table t1 (ordid int(8) not null auto_increment, ord  varchar(50) not null
 insert into t1 values (NULL,'sdj'),(NULL,'sdj'),(NULL,"abc"),(NULL,'abc'),(NULL,'zzz'),(NULL,'sdj'),(NULL,'abc');
 select * from t1;
 drop table t1;
+
+#
+# Test of auto_increment columns when they are set to 0
+#
+
+create table t1 (a int not null primary key auto_increment);
+insert into t1 values (0);
+update t1 set a=0;
+select * from t1;
+check table t1;
+drop table t1;
diff --git a/mysql-test/t/limit.test b/mysql-test/t/limit.test
index ba075f73d37..112761abd87 100644
--- a/mysql-test/t/limit.test
+++ b/mysql-test/t/limit.test
@@ -17,3 +17,14 @@ select * from t1;
 delete from t1 limit 1;
 select * from t1;
 drop table t1;
+
+create table t1 (i int);
+insert into t1 (i) values(1);
+insert into t1 (i) values(1);
+insert into t1 (i) values(1);
+delete from t1 limit 1;
+update t1 set i=2 limit 1;
+delete from t1 limit 0;
+update t1 set i=3 limit 0;
+select * from t1;
+drop table t1;