#
# Test of MERGE TABLES with MyISAM memory mapping enabled (--myisam-use-mmap)
#

# MERGE tables require MyISAM tables
--let $default=`SELECT @@global.storage_engine`
SET GLOBAL storage_engine = MyISAM;
SET SESSION storage_engine = MyISAM;

# Clean up resources used in this test case.
--disable_warnings
DROP TABLE IF EXISTS t1, t2, m1, m2;
--enable_warnings

####################
## No locked tables.
####################
#
# INSERT-SELECT with no TEMPORARY table.
#
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;
SELECT * FROM t2;
DROP TABLE m2, m1, t2, t1;
#
# INSERT-SELECT with TEMPORARY select table.
#
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;
DROP TABLE m2, m1, t2, t1;
#
# INSERT-SELECT with TEMPORARY insert table.
#
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;
DROP TABLE m2, m1, t2, t1;
#
# INSERT-SELECT with TEMPORARY both tables.
#
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;
DROP TABLE m2, m1, t2, t1;

####################
## With LOCK TABLES.
####################
#
# INSERT-SELECT with no TEMPORARY table.
#
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;
SELECT * FROM t2;
UNLOCK TABLES;
DROP TABLE m2, m1, t2, t1;
#
# INSERT-SELECT with TEMPORARY select table.
#
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;
UNLOCK TABLES;
DROP TABLE m2, m1, t2, t1;
#
# INSERT-SELECT with TEMPORARY insert table.
#
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;
UNLOCK TABLES;
DROP TABLE m2, m1, t2, t1;
#
# INSERT-SELECT with TEMPORARY both tables.
#
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;
UNLOCK TABLES;
DROP TABLE m2, m1, t2, t1;

--echo End of 6.0 tests

--disable_result_log
--disable_query_log
eval SET GLOBAL storage_engine = $default;
--enable_result_log
--enable_query_log
