package com.mindskip.xzs.repository;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.mindskip.xzs.domain.QuestionAnswer;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Select;
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/**
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* @author gonghl
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* @description 针对表【t_question_answer(问答)】的数据库操作Mapper
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* @createDate 2024-05-11 11:53:55
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* @Entity com.mindskip.xzs.questionAnswer.QuestionAnswer
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*/
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@Mapper
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public interface QuestionAnswerMapper extends BaseMapper<QuestionAnswer> {
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/**
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* 新增时获取目前最大序列
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* @return 序号
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*/
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@Select("select ifnull(max(sequence), 1) from t_question_answer")
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Integer getLastSequence();
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}
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