1 files changed, 76 insertions, 0 deletions
diff --git a/mysql-test/t/maria_mrr.test b/mysql-test/t/maria_mrr.test
index a4bb8eb9f9e..e3b8f993b1b 100644
--- a/mysql-test/t/maria_mrr.test
+++ b/mysql-test/t/maria_mrr.test
@@ -52,6 +52,82 @@ EXPLAIN
 
 DROP TABLE t1,t2,t3;
 
+--echo #
+--echo # Bug #669420: MRR for Range checked for each record
+--echo #
+
+CREATE TABLE t1 (
+  pk int NOT NULL PRIMARY KEY,
+  j int NOT NULL,
+  i int NOT NULL,
+  v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
+  INDEX i (i),
+  INDEX vi (v,i)
+) ENGINE=ARIA;
+INSERT INTO t1 VALUES (10,3,8,'v'),(11,3,8,'f');
+
+CREATE TABLE t2 (
+  pk int NOT NULL PRIMARY KEY,
+  j int  NOT NULL,
+  i int  NOT NULL,
+  v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
+  INDEX i (i),
+  INDEX vi (v,i)
+) ENGINE=ARIA;
+INSERT INTO t2 VALUES (10,9,3,'i'),(11,101,186,'x'),(12,0,1,'g');
+
+SET SESSION join_cache_level=0;
+
+EXPLAIN 
+SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
+  WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
+SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
+  WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
+
+SET SESSION join_cache_level=1;
+
+EXPLAIN 
+SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
+  WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
+SELECT t1.i, t2.i, t2.v, t3.pk, t3.v FROM t1, t2, t2 t3
+  WHERE t2.i != 0 AND t3.pk >= t2.i AND t3.v >= t2.v;
+
+SET SESSION join_cache_level=DEFAULT;
+
+DROP TABLE t1,t2;
+
+CREATE TABLE t1 (
+  pk int NOT NULL PRIMARY KEY,
+  j int NOT NULL,
+  i int NOT NULL,
+  v varchar(1) CHARACTER SET latin1 COLLATE latin1_bin NOT NULL,
+  INDEX i (i)
+) ENGINE=ARIA;
+INSERT INTO t1 VALUES 
+  (10,3,8,'v'),(11,3,8,'f'),(12,3,5,'v'),(13,2,8,'s'),(14,1,8,'a'),
+  (15,0,6,'p'),(16,8,7,'z'),(17,5,2,'a'),(18,9,5,'h'),(19,5,7,'h'),
+  (20,4,2,'v'),(21,2,9,'v'),(22,33,142,'b'),(23,5,3,'y'),(24,1,0,'v'),
+  (25,9,3,'m'),(26,1,5,'z'),(27,3,9,'n'),(28,8,1,'d'),(29,231,107,'a');
+
+SET SESSION join_cache_level = 0;
+
+EXPLAIN
+SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
+SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j;
+
+EXPLAIN
+SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
+SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f;
+
+EXPLAIN
+SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
+SELECT s.i f FROM t1 t, t1 s WHERE s.i >= t.i AND s.pk < t.j GROUP BY f LIMIT 1;
+
+SET SESSION join_cache_level=DEFAULT;
+
+DROP TABLE t1;
+
+