FileMapper.xml

<?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="io.github.talelin.latticy.mapper.FileMapper">

    <!-- 通用查询映射结果 -->
    <resultMap id="BaseResultMap" type="io.github.talelin.latticy.model.FileDO">
        <id column="id" property="id"/>
        <result column="path" property="path"/>
        <result column="type" property="type"/>
        <result column="name" property="name"/>
        <result column="extension" property="extension"/>
        <result column="size" property="size"/>
        <result column="md5" property="md5"/>
        <result column="create_time" property="createTime"/>
        <result column="update_time" property="updateTime"/>
        <result column="delete_time" property="deleteTime"/>
        <result column="is_deleted" property="isDeleted"/>
    </resultMap>

    <select id="selectByMd5" parameterType="java.lang.String" resultMap="BaseResultMap">
        SELECT *
        FROM lin_file f
        WHERE
        f.md5 = #{md5}
        AND f.is_deleted = 0
    </select>

    <select id="selectCountByMd5" parameterType="java.lang.String" resultType="java.lang.Integer">
        SELECT COUNT(*)
        FROM lin_file f
        WHERE
        f.md5 = #{md5}
        AND f.is_deleted = 0
    </select>

</mapper>