mybatis.config.SystemPropertyMapper.xml Maven / Gradle / Ivy
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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mappers.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.higgschain.trust.slave.dao.mysql.config.SystemPropertyDao">
<!-- Result Map -->
<resultMap id="baseResultMap" type="com.higgschain.trust.slave.dao.po.config.SystemPropertyPO">
<result column="id" property="id" />
<result column="key" property="key" />
<result column="value" property="value" />
<result column="desc" property="desc" />
<result column="create_time" property="createTime" />
<result column="update_time" property="updateTime" />
</resultMap>
<!-- system_property table all fields -->
<sql id="baseColumnList">
`key`,`value`,`desc`,create_time,update_time
</sql>
<!-- 插入记录 -->
<insert id="add" parameterType="Object">
insert into
system_property(`key`,`value`,`desc`,create_time,update_time)
values(#{key},#{value},#{desc},now(3),now(3))
</insert>
<!-- 根据Key查询 -->
<select id="queryByKey" resultMap="baseResultMap" parameterType="Object">
select
<include refid="baseColumnList" />
from system_property where `key`=#{key}
</select>
<!-- update -->
<update id="update">
UPDATE `system_property`
SET `value` = #{value},
<if test="desc != null and desc!=''">
`desc`=#{desc},
</if>
`update_time`= now(3)
WHERE
`key` = #{key} and `value`!= #{value}
</update>
</mapper>