<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "http://mybatis.org/dtd/mybatis-3-mapper.dtd" "mybatis-3-mapper.dtd" >
<mapper namespace="com.reyun.saas.report.data.dao.RtaRequestCountMapper">

    <select id="findRtaReqCountByOid" resultType="java.lang.Long">
        SELECT sum(countNum) from (
        SELECT sum(count_num) AS 'countNum'  FROM `yy-flink`.rta_request_day WHERE oid = #{oid} AND ds &gt;= #{date} AND ds &gt;= #{pubDate}
        UNION ALL
        SELECT sum(count_num) AS 'countNum' FROM `yy_etl`.rta_request_day WHERE oid = #{oid} AND ds &lt;  #{date} AND ds &gt;= #{pubDate}
        ) t1
    </select>

</mapper>