I2client/src/main/resources/mappers/Data_YspDao.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="com.shxy.i2.dao.Data_YspDao">
    <resultMap id="BaseResultMap" type="com.shxy.i2.entity.Data_Ysp">
        <id column="id" jdbcType="BIGINT" property="id"/>
        <result column="eqmid" jdbcType="INTEGER" property="eqmid"/>
        <result column="acquisitionTime" jdbcType="TIMESTAMP" property="acquisitiontime"/>
        <result column="H2" jdbcType="REAL" property="h2"/>
        <result column="CH4" jdbcType="REAL" property="ch4"/>
        <result column="C2H6" jdbcType="REAL" property="c2h6"/>
        <result column="C2H4" jdbcType="REAL" property="c2h4"/>
        <result column="C2H2" jdbcType="REAL" property="c2h2"/>
        <result column="CO" jdbcType="REAL" property="co"/>
        <result column="CO2" jdbcType="REAL" property="co2"/>
        <result column="O2" jdbcType="REAL" property="o2"/>
        <result column="N2" jdbcType="REAL" property="n2"/>
        <result column="TotalHydrocarbon" jdbcType="REAL" property="totalhydrocarbon"/>
        <result column="isupload" jdbcType="INTEGER" property="isupload"/>
        <result column="create_time" jdbcType="TIMESTAMP" property="createTime"/>
        <result column="update_time" jdbcType="TIMESTAMP" property="updateTime"/>
    </resultMap>
    <sql id="Base_Column_List">
    id, eqmid, acquisitionTime, H2, CH4, C2H6, C2H4, C2H2, CO, CO2, O2, N2, TotalHydrocarbon, 
    isupload, create_time, update_time
  </sql>
    <!--//每组只查最大的-->
    <select id="selectUploadById" resultMap="BaseResultMap">
        SELECT
        t1.id, t1.eqmid, t1.acquisitionTime, t1.H2, t1.CH4, t1.C2H6, t1.C2H4, t1.C2H2,t1.CO, t1.CO2, t1.O2, t1.N2,
        t1.TotalHydrocarbon,t1.isupload, t1.create_time, t1.update_time
        FROM
        data_ysp t1 where t1.id <![CDATA[>]]> #{maxid}
    </select>


    <select id="selectUpload" resultMap="BaseResultMap">
        <!--        select-->
        <!--        <include refid="Base_Column_List"/>-->
        <!--        from data_ysp-->
        <!--        where isupload is null or isupload = #{isupload} order by id desc limit 1-->

        SELECT
        t1.id, t1.eqmid, t1.acquisitionTime, t1.H2, t1.CH4, t1.C2H6, t1.C2H4, t1.C2H2,t1.CO, t1.CO2, t1.O2, t1.N2,
        t1.TotalHydrocarbon,
        t1.isupload, t1.create_time, t1.update_time
        FROM
        data_ysp t1
        INNER JOIN ( SELECT MAX( id ) AS id FROM data_ysp where isupload is null or isupload = #{isupload} GROUP BY
        eqmid ) t2 ON t1.id = t2.id
    </select>

    <update id="updateByPrimaryKey" parameterType="com.shxy.i2.entity.Data_Ysp">
        update data_ysp
        <set>
            <if test="isupload != null">
                isupload = #{isupload,jdbcType=INTEGER},
            </if>
            <if test="updateTime != null">
                update_time = #{updateTime,jdbcType=TIMESTAMP},
            </if>
        </set>
        where
        id <![CDATA[<=]]> #{maxid}
        <if test="idlist ！= null and idlist.size > 0">
            and id not in
            <foreach collection="idlist" item="id" index="index" separator="," open="(" close=")">
                #{id}
            </foreach>

        </if>
    </update>

    <update id="updateList">
        update data_ysp
        <set>
            <if test="isupload != null">
                isupload = #{isupload,jdbcType=INTEGER},
            </if>
            <if test="updateTime != null">
                update_time = #{updateTime,jdbcType=TIMESTAMP},
            </if>
        </set>
        where
        id in
        <foreach collection="idlist" item="id" index="index" separator="," open="(" close=")">
            #{id}
        </foreach>
    </update>

    <update id="updateDataList">
        update data_ysp
        <set>
            <if test="isupload != null">
                isupload = #{isupload,jdbcType=INTEGER},
            </if>
            <if test="updateTime != null">
                update_time = #{updateTime,jdbcType=TIMESTAMP},
            </if>
        </set>
        where isupload is null
        <if test="idlist != null and idlist.size > 0">
            and (
            <foreach collection="idlist" item="item" index="index" separator="or">
                (
                <if test="item.eqmid != null">
                    eqmid = #{item.eqmid}
                </if>
                <if test="item.maxid != null">
                    and id <![CDATA[<=]]>  #{item.maxid}
                </if>
                )
            </foreach>
            )
        </if>

    </update>
    <update id="updateDataList2">
        update data_ysp
        <set>
            <if test="isupload != null">
                isupload = #{isupload,jdbcType=INTEGER},
            </if>
            <if test="updateTime != null">
                update_time = #{updateTime,jdbcType=TIMESTAMP},
            </if>
        </set>
        where isupload is null
        and id <![CDATA[<=]]>  #{maxid}
        <if test="idlist != null and idlist.size > 0">
            and eqmid in
            <foreach collection="idlist" item="id" index="index" separator="," open="(" close=")">
                #{id}
            </foreach>
        </if>
    </update>

    <delete id="deleteData" >
        delete
        from data_ysp
        where acquisitionTime <![CDATA[<]]> #{time}
    </delete>
</mapper>