<?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.yb.dao.ThistoriestDao">
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<!-- 根据名称模糊查询-->
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<select id="getSessionId" resultType="com.yb.entity.THistoryEntity" >
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SELECT * FROM (
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SELECT id,human,ai FROM t_history
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<where>
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<if test="sessionid != null">
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sessionid like #{sessionid}
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</if>
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</where> ORDER BY id DESC LIMIT 5
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) AS subquery
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ORDER BY id ASC;
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</select>
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</mapper>
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