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