DROP TABLE IF EXISTS t1; CREATE TABLE t1(c1 TINYINT AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 SMALLINT AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 MEDIUMINT AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INT AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INTEGER AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 BIGINT AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 TINYINT AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 SMALLINT AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 MEDIUMINT AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INT AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INTEGER AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 BIGINT AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 TINYINT AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 SMALLINT AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 MEDIUMINT AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 INT AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 INTEGER AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 BIGINT AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 TINYINT AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 SMALLINT AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 MEDIUMINT AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INT AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INTEGER AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 BIGINT AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 TINYINT AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 SMALLINT AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 MEDIUMINT AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INT AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INTEGER AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 BIGINT AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 TINYINT UNSIGNED AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 SMALLINT UNSIGNED AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 MEDIUMINT UNSIGNED AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INT UNSIGNED AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INTEGER UNSIGNED AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 BIGINT UNSIGNED AUTO_INCREMENT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 TINYINT UNSIGNED AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 SMALLINT UNSIGNED AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 MEDIUMINT UNSIGNED AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INT UNSIGNED AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INTEGER UNSIGNED AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 BIGINT UNSIGNED AUTO_INCREMENT NOT NULL KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 TINYINT UNSIGNED AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 SMALLINT UNSIGNED AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 MEDIUMINT UNSIGNED AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 INT UNSIGNED AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 INTEGER UNSIGNED AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 BIGINT UNSIGNED AUTO_INCREMENT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 DROP TABLE t1; CREATE TABLE t1(c1 TINYINT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 SMALLINT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 MEDIUMINT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INTEGER UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 BIGINT UNSIGNED AUTO_INCREMENT NOT NULL UNIQUE KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 TINYINT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 SMALLINT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 MEDIUMINT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 INTEGER UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1; CREATE TABLE t1(c1 BIGINT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY ); SET SQL_AUTO_IS_NULL = 1; INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); INSERT INTO t1 VALUES(null); SELECT * FROM t1 WHERE c1 IS NULL; c1 3 DROP TABLE t1;