chat-backend/takai-bigmodel/src/main/resources/mapper/bm/QuestionMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.takai.bigmodel.mapper.QuestionMapper">
	
	<resultMap type="Question" id="QuestionResult">
		<id property="id"   column="id"   />
		<result property="app_id"  column="app_id"  />
		<result property="question"  column="question"  />
		<result property="create_time" column="create_time" />
	</resultMap>

	<select id="getQuestionList"  resultMap="QuestionResult">
		select
			q.id,
			q.app_id as appId,
			q.question,
			q.create_time
		from question q
		where q.app_id = #{appId}
		ORDER BY q.create_time desc
	</select>
 	
 	<insert id="insertQuestion" parameterType="Question">
 		insert into question(
		    id,
			<if test="appId != null">app_id,</if>
			<if test="question != null">question,</if>
 			create_time
 		)values(
			#{id},
			<if test="appId != null">#{appId},</if>
			<if test="question != null">#{question},</if>
 			sysdate()
 		)
	</insert>

	<select id="selectQuestionById"  resultMap="QuestionResult">
		select
			q.id,
			q.app_id as appId,
			q.question,
			q.create_time
		from question q
		where q.id = #{id}
	</select>

	<delete id="delQuestion" parameterType="String">
		delete from question where id = #{id}
	</delete>

	<update id="updateQuestion" parameterType="Question">
		update question set question = #{question} where id = #{id}
	</update>

	<delete id="delQuestionByAppId" parameterType="String">
		delete from question where app_id = #{appId}
	</delete>

</mapper>