42 lines
1.6 KiB
XML
42 lines
1.6 KiB
XML
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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" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
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<mapper namespace="com.mingchen.mapper.CategoriesMapper">
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<resultMap id="CategoryWithLawsResultMap" type="com.mingchen.model.dto.CategoryWithLaws">
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<id property="categoryId" column="category_id"/>
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<result property="name" column="name"/>
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<result property="description" column="description"/>
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<collection property="laws" ofType="com.mingchen.model.dto.CategoryWithLaws$Law">
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<id property="lawId" column="law_id"/>
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<result property="categoryId" column="law_category_id"/>
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<result property="title" column="title"/>
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<result property="summary" column="summary"/>
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<result property="content" column="content"/>
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<result property="effectiveDate" column="effective_date"/>
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<result property="referenceUrl" column="reference_url"/>
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</collection>
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</resultMap>
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<!-- 查询所有类别及其关联的法律法规 -->
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<select id="getAllCategoriesWithLaws" resultMap="CategoryWithLawsResultMap">
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SELECT
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c.category_id,
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c.name,
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c.description,
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l.law_id,
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l.category_id AS law_category_id,
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l.title,
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l.summary,
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l.content,
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l.effective_date,
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l.reference_url
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FROM
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categories c
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LEFT JOIN
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laws l ON c.category_id = l.category_id
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ORDER BY
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c.category_id, l.law_id
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</select>
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</mapper>
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