关于mySql中的自动增长值的设置

-- -----------------------------------------------------
-- Table `FACTORY_INFO`
-- -----------------------------------------------------
DROP TABLE IF EXISTS `FACTORY_INFO` ;

SHOW WARNINGS;
CREATE TABLE IF NOT EXISTS `FACTORY_INFO` (
`FACTORY_ID` BIGINT NOT NULL AUTO_INCREMENT COMMENT '企业ID',  //这次是自增长值
`FACTORY_LOGIN_ACCOUNT` VARCHAR(100) NOT NULL COMMENT '登陆账号',
`FACTORY_LOGIN_PASSWORD` VARCHAR(40) NOT NULL COMMENT '登陆密码',
`FACTORY_NAME` VARCHAR(100) NULL COMMENT '企业名称',
`FACTORY_NAME_SHORT` VARCHAR(100) NULL COMMENT '企业简称',
`FACTORY_LOGO` INT(11) NULL COMMENT '企业图片',
`FACTORY_TYPE` INT(11) NULL COMMENT '企业类型',
`FACTORY_LINKMAN` VARCHAR(20) NULL COMMENT '企业联系人',
`FACTORY_INTRODUCE` VARCHAR(500) NULL COMMENT '企业介绍',
`FACTORY_INTRODUCE_IMG1` INT(11) NULL COMMENT '企业介绍图1',
`FACTORY_INTRODUCE_IMG2` INT(11) NULL COMMENT '企业介绍图2',
`FACTORY_INTRODUCE_IMG3` INT(11) NULL COMMENT '企业介绍图3',
`LINKMAN_TELPHONE` VARCHAR(20) NULL COMMENT '联系人电话',
`LINKMAN_MAIL` VARCHAR(100) NULL COMMENT '联系人邮箱',
`HOMEPAGE` VARCHAR(100) NULL COMMENT '企业官网',
`ADDRESS` VARCHAR(200) NULL COMMENT '企业地址',
`STATUS` CHAR(1) NOT NULL COMMENT '状态	0:未认证\n1：已认证\n',
`BALANCE` DECIMAL(10,2) NOT NULL DEFAULT 0 COMMENT '账户余额',
`PROVINCE` INT(4) NULL COMMENT '省',
`CITY` INT(4) NULL COMMENT '市',
`AREA` INT(4) NULL COMMENT '区',
`IMAGE_IDENTIFICATION` INT(11) NULL COMMENT '企业上传证件',
`CREATE_TIME` DATETIME NOT NULL COMMENT '创建时间',
`CREATE_USER` VARCHAR(40) NOT NULL COMMENT '创建人',
`UPDATE_TIME` DATETIME NOT NULL COMMENT '最后更新时间',
`UPDATE_USER` VARCHAR(40) NOT NULL COMMENT '最后更新人',
`DEL_FLG` INT(1) NOT NULL DEFAULT 0 COMMENT '删除FLG',
PRIMARY KEY (`FACTORY_ID`)  COMMENT '')
ENGINE = InnoDB;

<insert id="insert" parameterType="model.factory.base.FactoryFactoryInfo" useGeneratedKeys="true" keyProperty="factoryId"
>
<!--
WARNING - @mbggenerated
This element is automatically generated by MyBatis Generator, do not modify.
This element was generated on Tue Nov 03 10:41:28 CST 2015.
-->
insert into factory_info (FACTORY_ID, FACTORY_NAME, FACTORY_NAME_SHORT,
FACTORY_LOGO, FACTORY_TYPE, FACTORY_LINKMAN,
FACTORY_INTRODUCE, FACTORY_INTRODUCE_IMG1,
FACTORY_INTRODUCE_IMG2, FACTORY_INTRODUCE_IMG3,
LINKMAN_TELPHONE, LINKMAN_MAIL, HOMEPAGE,
ADDRESS, STATUS, BALANCE, PROVINCE,CITY,AREA,
IMAGE_IDENTIFICATION, CREATE_TIME, CREATE_USER,
UPDATE_TIME, UPDATE_USER, DEL_FLG,FACTORY_LOGIN_PASSWORD,FACTORY_LOGIN_ACCOUNT
)
values (#{factoryId,jdbcType=BIGINT},#{factoryName,jdbcType=VARCHAR}, #{factoryNameShort,jdbcType=VARCHAR},
#{factoryLogo,jdbcType=INTEGER}, #{factoryType,jdbcType=INTEGER}, #{factoryLinkman,jdbcType=VARCHAR},
#{factoryIntroduce,jdbcType=VARCHAR}, #{factoryIntroduceImg1,jdbcType=INTEGER},
#{factoryIntroduceImg2,jdbcType=INTEGER}, #{factoryIntroduceImg3,jdbcType=INTEGER},
#{linkmanTelphone,jdbcType=VARCHAR}, #{linkmanMail,jdbcType=VARCHAR}, #{homepage,jdbcType=VARCHAR},
#{address,jdbcType=VARCHAR}, #{status,jdbcType=CHAR}, #{balance,jdbcType=DECIMAL}, #{province,jdbcType=INTEGER},#{city,jdbcType=INTEGER},#{area,jdbcType=INTEGER},
#{imageIdentification,jdbcType=INTEGER}, NOW(), #{createUser,jdbcType=VARCHAR},
NOW(), #{updateUser,jdbcType=VARCHAR}, #{delFlg,jdbcType=INTEGER},#{factoryLoginPassword,jdbcType=VARCHAR},#{factoryLoginAccount,jdbcType=VARCHAR}
)
</insert>