stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
CREATE TABLE t1 (a INT AUTO_INCREMENT KEY) ENGINE=INNODB;
CREATE TABLE t2 (b INT AUTO_INCREMENT KEY, c INT, FOREIGN KEY(b) REFERENCES t1(a)) ENGINE=INNODB;
SET FOREIGN_KEY_CHECKS=0;
INSERT INTO t1 VALUES (10);
INSERT INTO t1 VALUES (NULL),(NULL),(NULL);
INSERT INTO t2 VALUES (5,0);
INSERT INTO t2 VALUES (NULL,LAST_INSERT_ID());
SET FOREIGN_KEY_CHECKS=1;
SELECT * FROM t1;
a
10
11
12
13
SELECT * FROM t2;
b	c
5	0
6	11
SELECT * FROM t1;
a
10
11
12
13
SELECT * FROM t2;
b	c
5	0
6	11
SET TIMESTAMP=1000000000;
CREATE TABLE t3 ( a INT UNIQUE );
SET FOREIGN_KEY_CHECKS=0;
INSERT INTO t3 VALUES (1),(1);
ERROR 23000: Duplicate entry '1' for key 1
SET FOREIGN_KEY_CHECKS=0;
DROP TABLE IF EXISTS t1,t2,t3;
SET FOREIGN_KEY_CHECKS=1;