--source include/galera_cluster.inc CREATE TABLE t1 (c1 int, UNIQUE INDEX (c1)) engine=innodb; INSERT INTO t1 VALUES (1),(2),(3),(4),(5); CREATE TABLE t2 (c1 int); INSERT INTO t2 VALUES (1),(2),(3),(4),(5); CREATE TEMPORARY TABLE t1 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2) INSERT_METHOD=LAST; CACHE INDEX t1,t2 IN default; LOAD INDEX INTO CACHE t1,t2; DROP TEMPORARY TABLE t1; DROP TABLE t1,t2; CREATE TABLE t1 (c1 int, UNIQUE INDEX (c1)) engine=MyISAM; INSERT INTO t1 VALUES (1),(2),(3),(4),(5); CREATE TABLE t2 (c1 int, UNIQUE INDEX (c1)) engine=MyISAM; INSERT INTO t2 VALUES (1),(2),(3),(4),(5); CREATE TEMPORARY TABLE t1 (c1 INT) ENGINE=MRG_MyISAM UNION=(t1,t2) INSERT_METHOD=LAST; CACHE INDEX t1,t2 IN default; LOAD INDEX INTO CACHE t1,t2; DROP TEMPORARY TABLE t1; DROP TABLE t1,t2; CREATE TABLE t1 (c1 int, UNIQUE INDEX (c1)) engine=MyISAM; INSERT INTO t1 VALUES (1),(2),(3),(4),(5); CREATE TABLE t2 (c1 int, UNIQUE INDEX (c1)) engine=MyISAM; INSERT INTO t2 VALUES (1),(2),(3),(4),(5); CACHE INDEX t1,t2 IN default; LOAD INDEX INTO CACHE t1,t2; DROP TABLE t1,t2;