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<?xml version="1.0" encoding="UTF-8" ?>
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<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
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"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.learning.newdemo.mapper.DebateHistoryMapper">
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<resultMap id="BaseResultMap" type="com.learning.newdemo.entity.DebateHistory">
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<id column="id" property="id" jdbcType="INTEGER"/>
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<result column="user_id" property="userId" jdbcType="INTEGER"/>
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<result column="argument_id" property="argumentId" jdbcType="INTEGER"/>
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<result column="topic" property="topic" jdbcType="VARCHAR"/>
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<result column="position" property="position"
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typeHandler="org.apache.ibatis.type.EnumTypeHandler"
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jdbcType="VARCHAR"/>
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<result column="total_rounds" property="totalRounds" jdbcType="SMALLINT"/>
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<result column="debate_content" property="debateContent" jdbcType="LONGVARCHAR"/>
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<result column="review_result" property="reviewResult" jdbcType="LONGVARCHAR"/>
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<result column="create_time" property="createTime" jdbcType="TIMESTAMP"/>
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</resultMap>
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<resultMap id="WithArgumentResultMap" type="com.learning.newdemo.entity.DebateHistory"
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extends="BaseResultMap">
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<association property="argumentHistory" javaType="com.learning.newdemo.entity.ArgumentHistory">
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<id column="arg_id" property="id"/>
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<result column="arg_user_id" property="userId"/>
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<result column="arg_topic" property="topic"/>
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<result column="arg_content" property="argumentContent"/>
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<result column="arg_position" property="position"
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typeHandler="org.apache.ibatis.type.EnumTypeHandler"/>
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<result column="arg_create_time" property="createTime"/>
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</association>
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</resultMap>
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<sql id="Base_Column_List">
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id, user_id, argument_id, topic, position, total_rounds,
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debate_content, review_result, create_time
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</sql>
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<sql id="WithArgument_Column_List">
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dh.id, dh.user_id, dh.argument_id, dh.topic, dh.position,
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dh.total_rounds, dh.debate_content, dh.review_result, dh.create_time,
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ah.id as arg_id, ah.user_id as arg_user_id, ah.topic as arg_topic,
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ah.argument_content as arg_content, ah.position as arg_position,
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ah.create_time as arg_create_time
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</sql>
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<insert id="insert" parameterType="com.learning.newdemo.entity.DebateHistory"
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useGeneratedKeys="true" keyProperty="id">
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INSERT INTO debate_history (
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user_id, argument_id, topic, position,
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total_rounds, debate_content, create_time
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) VALUES (
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#{userId}, #{argumentId}, #{topic},
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#{position,typeHandler=org.apache.ibatis.type.EnumTypeHandler},
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#{totalRounds}, #{debateContent}, NOW()
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)
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</insert>
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<!-- 清理历史记录（保留最近10条） -->
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<delete id="cleanOverflowHistories">
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DELETE FROM debate_history
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WHERE user_id = #{userId}
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AND id NOT IN (
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SELECT id FROM (
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SELECT id FROM debate_history
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WHERE user_id = #{userId}
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ORDER BY create_time DESC
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LIMIT 10
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) t
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)
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</delete>
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</mapper>
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