DROP TABLE IF EXISTS t1;
DROP TABLE IF EXISTS t2;
CREATE TABLE t1 (
pk INT NOT NULL PRIMARY KEY,
key1 INT NOT NULL,
KEY (key1)
) ENGINE=XENGINE;
INSERT INTO t1 VALUES (12,12);
INSERT INTO t1 VALUES (6,6);
BEGIN;
INSERT INTO t1 VALUES (8,8), (10,10);
SELECT * FROM t1 WHERE key1 BETWEEN 4 and 11 ORDER BY KEY1 DESC;
pk	key1
10	10
8	8
6	6
SELECT * FROM t1 WHERE key1 BETWEEN 4 and 11 ORDER BY KEY1 ASC;
pk	key1
6	6
8	8
10	10
SELECT * FROM t1 IGNORE INDEX(key1) WHERE key1 BETWEEN 4 and 11 ORDER BY key1 DESC;
pk	key1
10	10
8	8
6	6
SELECT * FROM t1 IGNORE INDEX(key1) WHERE key1 BETWEEN 4 and 11 ORDER BY key1 ASC;
pk	key1
6	6
8	8
10	10
ROLLBACK;
CREATE TABLE t2 (
pk INT NOT NULL PRIMARY KEY,
key1 INT NOT NULL,
KEY (key1) COMMENT 'rev:cf'
) ENGINE=XENGINE;
INSERT INTO t2 VALUES (12,12);
INSERT INTO t2 VALUES (6,6);
BEGIN;
INSERT INTO t2 VALUES (8,8), (10,10);
SELECT * FROM t2 WHERE key1 BETWEEN 4 and 11 ORDER BY KEY1 DESC;
pk	key1
10	10
8	8
6	6
SELECT * FROM t2 WHERE key1 BETWEEN 4 and 11 ORDER BY KEY1 ASC;
pk	key1
6	6
8	8
10	10
SELECT * FROM t2 IGNORE INDEX(key1) WHERE key1 BETWEEN 4 and 11 ORDER BY key1 DESC;
pk	key1
10	10
8	8
6	6
SELECT * FROM t2 IGNORE INDEX(key1) WHERE key1 BETWEEN 4 and 11 ORDER BY key1 ASC;
pk	key1
6	6
8	8
10	10
ROLLBACK;
DROP TABLE t1;
DROP TABLE t2;