SQL Server中类似MySQL的REPLACE INTO语句

SQL Server中没有MySQL中的REPLACE INTO语句,可使用不存在时插入数据,存在时更新数据的方法来实现
SQL Server不存在时插入数据(insert when/where not exists)

REPLACE INTO 实现逻辑

INSERT INTO table (id, name)
    SELECT * FROM ( VALUES
        (1,'name1'),
        (2,'name2')
    ) AS table_temp (id, name)
    WHERE NOT EXISTS (
    SELECT * FROM table WHERE table.id= table_temp.id
    )

REPLACE INTO 实现

<insert id="insertListMssql">
    INSERT INTO mch_info(<include refid="Base_Column_List"/>)
    SELECT * FROM ( VALUES
    <foreach collection="list" index="i" separator="," item="item">
        (
        #{item.mchId},
        #{item.mchName},
        )
    foreach>
    ) AS mch_info_temp (<include refid="Base_Column_List"/>)
    WHERE NOT EXISTS (SELECT 1 FROM mch_info WHERE mch_info.mchId = mch_info_temp.mchId)
insert>

<insert id="updateListMssql">
    UPDATE mch_info SET
    mch_info.mchName = mch_info_temp.mchName
    FROM mch_info ,(SELECT * FROM ( VALUES
    <foreach collection="list" index="i" separator="," item="item">
        (
        #{item.mchId},
        #{item.mchName}
        )
    foreach>
    ) AS temp (<include refid="Base_Column_List"/>)) AS mch_info_temp
    WHERE mch_info.mchId = mch_info_temp.mchId
insert>

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