jinpengyong
2021-11-23 4108fd24ac888934a23e9b9129c4392baa2ffb94
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<?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="com.moral.mapper.OrganizationRelationMapper">
    <select id="getChildIdByParentId" resultType="java.util.Map">
        SELECT child_id
        FROM organization_relation
        WHERE parent_id IN 
            <foreach collection="parentIdList" index="index" item="parentId" open="(" separator="," close=")">  
                #{parentId}  
            </foreach>
    </select>
 
    <select id="getParentIdByChildId" resultType="java.lang.Integer">
        SELECT parent_id
        FROM organization_relation
        WHERE
        child_id=#{childId}
    </select>
 
</mapper>