<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.yeshi.fanli.dao.mybatis.ScanHistoryMapper">
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<select id="countUserScanHistory" parameterType="java.lang.Long" resultType="java.lang.Long">
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SELECT IFNULL(COUNT(id),0) FROM yeshi_ec_scanhistory WHERE uid=#{userId,jdbcType=BIGINT}
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</select>
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</mapper>
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