DDL読み込み結果のデフォルト値がMUL？

CREATE TABLE testTable1 (
id int(11) NOT NULL auto_increment,
name varchar(30) NOT NULL,
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE TABLE testTable2 (
id int(11) NOT NULL auto_increment,
contents varchar(30) NOT NULL,
testTable1_id int(11) NOT NULL,
PRIMARY KEY (id),
CONSTRAINT testTable2_FK_1
FOREIGN KEY (testTable1_id)
REFERENCES testTable1 (id) ON UPDATE CASCADE
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

CREATE TABLE testTable1(
id INT NOT NULL DEFAULT PRI,
name VARCHAR(30) NOT NULL
) TYPE=InnoDB;

CREATE TABLE testTable2(
id INT NOT NULL DEFAULT PRI,
contents VARCHAR(30) NOT NULL,
testTable1_id INT NOT NULL DEFAULT MUL
) TYPE=InnoDB;