<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="org.king.modules.system.mapper.SysDataLogMapper">
	<!-- 通过表名及数据Id获取最大版本 -->
	<select id="queryMaxDataVer" parameterType="String"  resultType="String">
		select max(data_version) as mvn from sys_data_log 
		where data_table = #{tableName} and data_id =#{dataId}
	</select>

</mapper>