数据库表执行语句

    delete  
    FROM
        t_organ_dict_mapping A  
    WHERE
        exists (
            SELECT
                * 
            from
                (  SELECT
                    B.*  
                FROM
                    t_organ_dict_mapping B  
                WHERE
                    1=1 
                    and B.dict_id='99996' 
                    and B.kd_id='0001AA100000000DX6OYF6'  
                UNION
                all  SELECT
                    B.*  
                FROM
                    t_organ_dict_mapping B  
                WHERE
                    1=1 
                    and B.dict_id='99996' 
                    and B.kd_id='0001AA100000000DX6OYD6' 
            )S  
        WHERE
            A.dict_id=S.dict_id AND A.kd_id =S.kd_id );

Mapper

void batchdeleteByKgIds(@Param("list") List<OrganDictMapping> list);

Mapper.xml

<delete id="batchdeleteByKgIds" parameterType="java.util.List">
    delete from t_organ_dict_mapping A
    where exists
    (
    select * from(
    <foreach collection="list" item="item" index="index" separator="union all">
        select  B.* from t_organ_dict_mapping B where 1=1 and  B.dict_id=#{item.dictId,jdbcType=VARCHAR} and B.kd_id=#{item.kdId,jdbcType=VARCHAR}
    </foreach>
    )S where  A.dict_id=S.dict_id AND A.kd_id =S.kd_id
    )
</delete>