^^&&^^

Edit File: merge_mmap.result

SET GLOBAL default_storage_engine = MyISAM;
SET SESSION default_storage_engine = MyISAM;
DROP TABLE IF EXISTS t1, t2, m1, m2;
CREATE TABLE t1 (c1 INT);
CREATE TABLE t2 (c1 INT);
CREATE TABLE m1 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
CREATE TABLE m2 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (2), (3), (4);
INSERT INTO m2 SELECT * FROM m1;
SELECT * FROM m2;
c1
1
2
3
4
1
2
3
4
SELECT * FROM t2;
c1
2
3
4
1
2
3
4
DROP TABLE m2, m1, t2, t1;
CREATE TABLE t1 (c1 INT);
CREATE TABLE t2 (c1 INT);
CREATE TEMPORARY TABLE m1 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
CREATE TABLE m2 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (2), (3), (4);
INSERT INTO m2 SELECT * FROM m1;
SELECT * FROM m2;
c1
1
2
3
4
1
2
3
4
DROP TABLE m2, m1, t2, t1;
CREATE TABLE t1 (c1 INT);
CREATE TABLE t2 (c1 INT);
CREATE TABLE m1 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
CREATE TEMPORARY TABLE m2 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (2), (3), (4);
INSERT INTO m2 SELECT * FROM m1;
SELECT * FROM m2;
c1
1
2
3
4
1
2
3
4
DROP TABLE m2, m1, t2, t1;
CREATE TABLE t1 (c1 INT);
CREATE TABLE t2 (c1 INT);
CREATE TEMPORARY TABLE m1 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
CREATE TEMPORARY TABLE m2 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (2), (3), (4);
INSERT INTO m2 SELECT * FROM m1;
SELECT * FROM m2;
c1
1
2
3
4
1
2
3
4
DROP TABLE m2, m1, t2, t1;
CREATE TABLE t1 (c1 INT);
CREATE TABLE t2 (c1 INT);
CREATE TABLE m1 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
CREATE TABLE m2 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
LOCK TABLE m1 WRITE, m2 WRITE;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (2), (3), (4);
INSERT INTO m2 SELECT * FROM m1;
SELECT * FROM m2;
c1
1
2
3
4
1
2
3
4
SELECT * FROM t2;
c1
2
3
4
1
2
3
4
UNLOCK TABLES;
DROP TABLE m2, m1, t2, t1;
CREATE TABLE t1 (c1 INT);
CREATE TABLE t2 (c1 INT);
CREATE TEMPORARY TABLE m1 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
CREATE TABLE m2 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
LOCK TABLE m1 WRITE, m2 WRITE;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (2), (3), (4);
INSERT INTO m2 SELECT * FROM m1;
SELECT * FROM m2;
c1
1
2
3
4
1
2
3
4
UNLOCK TABLES;
DROP TABLE m2, m1, t2, t1;
CREATE TABLE t1 (c1 INT);
CREATE TABLE t2 (c1 INT);
CREATE TABLE m1 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
CREATE TEMPORARY TABLE m2 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
LOCK TABLE m1 WRITE, m2 WRITE;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (2), (3), (4);
INSERT INTO m2 SELECT * FROM m1;
SELECT * FROM m2;
c1
1
2
3
4
1
2
3
4
UNLOCK TABLES;
DROP TABLE m2, m1, t2, t1;
CREATE TABLE t1 (c1 INT);
CREATE TABLE t2 (c1 INT);
CREATE TEMPORARY TABLE m1 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
CREATE TEMPORARY TABLE m2 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2)
INSERT_METHOD=LAST;
LOCK TABLE m1 WRITE, m2 WRITE;
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (2), (3), (4);
INSERT INTO m2 SELECT * FROM m1;
SELECT * FROM m2;
c1
1
2
3
4
1
2
3
4
UNLOCK TABLES;
DROP TABLE m2, m1, t2, t1;
End of 6.0 tests