Fix for Bug#3183

2 files changed, 30 insertions, 0 deletions

diff --git a/mysql-test/r/index_merge.result b/mysql-test/r/index_merge.result
index a847f2d7025..6859d9db728 100644
--- a/mysql-test/r/index_merge.result
+++ b/mysql-test/r/index_merge.result
@@ -314,4 +314,24 @@ key1	key2	key3	key4	key5	key6	key7	key8	key9	keyA	keyB	keyC
 11	11	11	11	11	11	11	1013	11	11	11	11
 12	12	12	12	12	12	12	1012	12	12	12	12
 1016	1016	1016	1016	1016	1016	1016	8	1016	1016	1016	1016
+explain select * from t0 where key1 < 3 or key2 < 4;
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	SIMPLE	t0	index_merge	i1,i2	i1,i2	4,4	NULL	7	Using where
+select * from t0 where key1 < 3 or key2 < 4;
+key1	key2	key3	key4	key5	key6	key7	key8
+1	1	1	1	1	1	1	1023
+2	2	2	2	2	2	2	1022
+3	3	3	3	3	3	3	1021
+update t0 set key8=123 where key1 < 3 or key2 < 4;
+select * from t0 where key1 < 3 or key2 < 4;
+key1	key2	key3	key4	key5	key6	key7	key8
+1	1	1	1	1	1	1	123
+2	2	2	2	2	2	2	123
+3	3	3	3	3	3	3	123
+delete from t0 where key1 < 3 or key2 < 4;
+select * from t0 where key1 < 3 or key2 < 4;
+key1	key2	key3	key4	key5	key6	key7	key8
+select count(*) from t0;
+count(*)
+1021
 drop table t0, t1, t2, t3, t4;
diff --git a/mysql-test/t/index_merge.test b/mysql-test/t/index_merge.test
index 029c2e4a013..9745723ca59 100644
--- a/mysql-test/t/index_merge.test
+++ b/mysql-test/t/index_merge.test
@@ -267,5 +267,15 @@ select * from t3 where
   key5=5 or key6=6 or key7=7 or key8=8 or
   key9=9 or keyA=10 or keyB=11 or keyC=12; 
 
+# Test for Bug#3183
+explain select * from t0 where key1 < 3 or key2 < 4;
+select * from t0 where key1 < 3 or key2 < 4;
+
+update t0 set key8=123 where key1 < 3 or key2 < 4;
+select * from t0 where key1 < 3 or key2 < 4;
+
+delete from t0 where key1 < 3 or key2 < 4;
+select * from t0 where key1 < 3 or key2 < 4;
+select count(*) from t0;
 
 drop table t0, t1, t2, t3, t4;