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2018-10-30 bb057e190e7e9e9c3ade69e6392daf2e62932ce3
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<?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.yeshi.fanli.dao.mybatis.ScanHistoryMapper">
    
    <select id="countUserScanHistory" parameterType="java.lang.Long" resultType="java.lang.Long">
           SELECT IFNULL(COUNT(id),0) FROM  yeshi_ec_scanhistory WHERE uid=#{userId,jdbcType=BIGINT}
   </select>
    
</mapper>