mybatis中SQL语句运用总结

<resultmap id="baseresultmap" type="com.sprucetec.pay.etl.model.billdetail">
        <id column="id" jdbctype="integer" property="id"/>
        <result column="pay_order_no" jdbctype="varchar" property="payorderno"/>
        <result column="pay_channel_id" jdbctype="tinyint" property="paychannelid"/>
        <result column="pay_amount" jdbctype="integer" property="payamount"/>
        <result column="trans_date" jdbctype="integer" property="transdate"/>
        <result column="trans_type" jdbctype="varchar" property="transtype"/>
        <result column="error_type" jdbctype="varchar" property="errortype"/>
        <result column="is_check" jdbctype="tinyint" property="ischeck"/>
    </resultmap>

  <sql id="condition">
　　<if test="transtype != null">
　　　　and trans_type = #{transtype,jdbctype=tinyint}
　　</if>
　　<if test="paychannelid != null">
　　　　and pay_channel_id = #{paychannelid,jdbctype=tinyint}
　　</if>

　</sql>

<select id="querylist" parametertype="com.pay.billcheckquery" resultmap="baseresultmap">
       select a.pay_order_no,a.trans_date,a.pay_amount,a.pay_channel_id,a.trans_type,a.error_type
       from (select pay_order_no,trans_date,pay_amount,pay_channel_id,trans_type,"无结果" as error_type
       from t_pay_core_order
       where 1 = 1 <include refid="condition"/>
       union 
       select pay_order_no,trans_date,pay_amount,pay_channel_id,trans_type,"缺失" as error_type
       from t_pay_bill_file_detail 
       where 1 = 1 <include refid="condition"/>
       ) as a
       order by a.trans_date desc
       limit #{pagesize} offset #{startrecord}
    </select>

<select id="querycountandsum" parametertype="com.billcheckquery" resultmap="baseresultmap">
       select sum(a.pay_amount) as trans_amount,count(1) as trans_num from 
       (select pay_amount from t_pay_core_order
       where 
        pay_channel_id = #{paychannelid,jdbctype=smallint}and trans_date &gt;= #{starttime,jdbctype=integer}
        and trans_date &lt;= #{endtime,jdbctype=integer}union all
       select pay_amount from t_pay_bill_file_detail 
       where 
        pay_channel_id = #{paychannelid,jdbctype=smallint}and trans_date &gt;= #{starttime,jdbctype=integer}
        and trans_date &lt;= #{endtime,jdbctype=integer}
       ) as a
    </select>

<update id="updatebynum" parametertype="com.query.billcheckquery">
         update t_pay_core_order t1,t_pay_bill_file_detail t2
           set t1.is_check = 1,t2.is_check = 1
        where 
        t1.pay_order_no = t2.pay_order_no
        and t2.pay_order_no in
        <foreach item="payorderno" index="index" collection="orderlist" open="(" separator="," close=")">
                #{payorderno,jdbctype=varchar}
        </foreach>
        and t1.trans_date &gt;= #{starttime,jdbctype=integer} 
        and t1.trans_date &lt;= #{endtime,jdbctype=integer}</update>

<insert id="batchinsert" parametertype="java.util.list" >
        insert into t_pay_bill_file_detail (file_id,pay_order_no,third_trade_no,trans_type,
        pay_channel_id,pay_amount,trans_date)
        values
        <foreach collection="list" item="item" index="index" separator=",">
            (
            #{item.payorderno},
            #{item.transtype},
            #{item.transdate}
            )
        </foreach>
    </insert>