<?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.whyc.mapper.UserInfMapper">
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<update id="createNumber">
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CREATE TABLE if not exists db_user.temp_numbers (unumber INT);
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</update>
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<update id="setUnumber">
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${sql}
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</update>
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<select id="existTable" resultType="java.lang.String">
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select
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DISTINCT table_name
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from information_schema.tables
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where table_name = 'temp_numbers'
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and TABLE_SCHEMA = 'db_user'
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</select>
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<select id="selectSnId" resultType="java.lang.String">
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select usnid from db_user.user_inf where uname=#{uname} limit 1
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</select>
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<select id="judgeUname" resultType="java.lang.Integer">
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select count(*) from db_user.user_inf where uid>100
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</select>
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<select id="getAllUser" resultType="UserInf">
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select uid,uname,udownload_role from db_user.user_inf where uid>100
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</select>
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<select id="getIn1000" resultType="java.lang.String">
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SELECT min(unumber)
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FROM db_user.temp_numbers t
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WHERE t.unumber NOT IN (SELECT uid FROM db_user.user_inf);
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</select>
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<select id="getMaxUid" resultType="java.lang.String">
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SELECT max(uid)
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FROM db_user.user_inf where uid>1000
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</select>
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</mapper>
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