DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1 (a <INT_COLUMN>, b <CHAR_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
INSERT INTO t1 VALUES (100,'foobar'),(1,'a'),(2,'b'),(3,'c'),(4,'d'),(5,'e');
SELECT a,b FROM t1;
a	b
1	a
100	foobar
2	b
3	c
4	d
5	e
INSERT t1 VALUE (10,'foo'),(11,'abc');
SELECT a,b FROM t1;
a	b
1	a
10	foo
100	foobar
11	abc
2	b
3	c
4	d
5	e
INSERT INTO t1 (b,a) VALUES ('test',0);
SELECT a,b FROM t1;
a	b
0	test
1	a
10	foo
100	foobar
11	abc
2	b
3	c
4	d
5	e
INSERT INTO t1 VALUES (DEFAULT,DEFAULT);
SELECT a,b FROM t1;
a	b
0	test
1	a
10	foo
100	foobar
11	abc
2	b
3	c
4	d
5	e
NULL	NULL
INSERT t1 (a) VALUE (10),(20);
SELECT a,b FROM t1;
a	b
0	test
1	a
10	NULL
10	foo
100	foobar
11	abc
2	b
20	NULL
3	c
4	d
5	e
NULL	NULL
INSERT INTO t1 SET a = 11, b = 'f';
SELECT a,b FROM t1;
a	b
0	test
1	a
10	NULL
10	foo
100	foobar
11	abc
11	f
2	b
20	NULL
3	c
4	d
5	e
NULL	NULL
INSERT t1 SET b = DEFAULT;
SELECT a,b FROM t1;
a	b
0	test
1	a
10	NULL
10	foo
100	foobar
11	abc
11	f
2	b
20	NULL
3	c
4	d
5	e
NULL	NULL
NULL	NULL
CREATE TABLE t2 (a <INT_COLUMN>, b <CHAR_COLUMN>) ENGINE=<STORAGE_ENGINE> <CUSTOM_TABLE_OPTIONS>;
INSERT INTO t2 SELECT a,b FROM t1;
INSERT INTO t1 (a) SELECT a FROM t2 WHERE b = 'foo';
SELECT a,b FROM t1;
a	b
0	test
1	a
10	NULL
10	NULL
10	foo
100	foobar
11	abc
11	f
2	b
20	NULL
3	c
4	d
5	e
NULL	NULL
NULL	NULL
INSERT t1 (a,b) SELECT a,b FROM t1;
SELECT a,b FROM t1;
a	b
0	test
0	test
1	a
1	a
10	NULL
10	NULL
10	NULL
10	NULL
10	foo
10	foo
100	foobar
100	foobar
11	abc
11	abc
11	f
11	f
2	b
2	b
20	NULL
20	NULL
3	c
3	c
4	d
4	d
5	e
5	e
NULL	NULL
NULL	NULL
NULL	NULL
NULL	NULL
DROP TABLE t1, t2;