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Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
46 lines
2.0 KiB
46 lines
2.0 KiB
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE mapper
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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.example.crawler.mapper.NewsDataMapper">
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<insert id="insert" parameterType="com.example.crawler.model.NewsData">
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INSERT INTO news_data (title, content, publish_time, related_commodity,
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sentiment, create_time, source)
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VALUES (#{title}, #{content}, #{publishTime}, #{relatedCommodity},
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#{sentiment}, CURRENT_TIMESTAMP, #{source})
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</insert>
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<insert id="batchInsert" parameterType="java.util.List">
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INSERT INTO news_data (title, content, publish_time, related_commodity,
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sentiment, create_time, source)
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VALUES
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<foreach collection="list" item="item" separator=",">
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(#{item.title}, #{item.content}, #{item.publishTime}, #{item.relatedCommodity},
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#{item.sentiment}, CURRENT_TIMESTAMP, #{item.source})
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</foreach>
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</insert>
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<select id="selectAll" resultType="com.example.crawler.model.NewsData">
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SELECT * FROM news_data ORDER BY publish_time DESC
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</select>
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<select id="selectByCommodity" resultType="com.example.crawler.model.NewsData">
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SELECT * FROM news_data WHERE related_commodity = #{commodity} ORDER BY publish_time DESC
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</select>
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<select id="selectByDateRange" resultType="com.example.crawler.model.NewsData">
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SELECT * FROM news_data WHERE publish_time BETWEEN #{startDate} AND #{endDate} ORDER BY publish_time DESC
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</select>
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<select id="selectByTitleAndTime" resultType="com.example.crawler.model.NewsData">
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SELECT * FROM news_data WHERE title = #{title} AND publish_time = #{publishTime}
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</select>
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<select id="countBySentiment" resultType="int">
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SELECT COUNT(*) FROM news_data WHERE sentiment = #{sentiment}
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</select>
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<delete id="deleteAll">
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DELETE FROM news_data
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</delete>
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</mapper>
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