更新

guyue

2 天以前 d3b6555513c6c0e283bd6e891d4e080aefa6003a

 src/main/resources/mapper/ReferenceMapper.xml

@@ -38,4 +38,14 @@
            r.num = #{num}

    </select>

<!--    根据keyword查询，如果不为空返回num的最大值-->
    <select id="getMaxNumByKeywordId" resultType="java.lang.Integer">
        SELECT
            max(num)
        FROM
            `reference`
        WHERE
            keyword_id = #{keywordId}
    </select>
</mapper>