sanya-data-management-back/onemap-modules/onemap-apply/src/main/resources/mapper/postgresql/yzt/UrbanMonitorMapper.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.onemap.apply.mapper.yzt.UrbanMonitorMapper">
    
    <resultMap type="com.onemap.apply.domain.yzt.UrbanMonitorVO" id="UrbanMonitorResult">
        <result property="year"    column="year"    />
        <result property="data"    column="data"    />
    </resultMap>

    <!-- 
        查询城市监测列表
        type: buildUp_area(建成区面积) / building_area(建筑面积) / building_count(建筑数量)
        数据库 jc_urban: type=0 建筑信息, type=1 建成区
    -->
    <select id="selectUrbanMonitorList" resultMap="UrbanMonitorResult">
        SELECT 
            "year",
            <choose>
                <when test="type == 'building_count'">
                    COUNT(*) as data
                </when>
                <otherwise>
                    SUM(area) as data
                </otherwise>
            </choose>
        FROM "vector"."jc_urban"
        WHERE 1=1
        <choose>
            <when test="type == 'buildUp_area'">
                AND type = 1
            </when>
            <otherwise>
                AND type = 0
            </otherwise>
        </choose>
        <if test="code != null and code != ''">
            AND trim(code) = trim(#{code})
        </if>
        GROUP BY "year"
        ORDER BY "year" ASC
    </select>

    
    <resultMap type="com.onemap.apply.domain.yzt.UrbanExpansionLayerVO" id="UrbanExpansionLayerResult">
        <result property="year"       column="year"       />
        <result property="layerType"  column="layer_type" />
        <result property="dimType"    column="dim_type"   />
        <result property="layerName"  column="layer_name" />
        <result property="prevYear"   column="prev_year"  />
        <result property="data"       column="data"       />
        <result property="serviceId"  column="service_id" />
    </resultMap>

    <select id="selectUrbanExpansionList" resultMap="UrbanExpansionLayerResult">
        SELECT 
            year, layer_type, dim_type, layer_name, prev_year, data, service_id
        FROM "vector"."jc_urban_expansion"
        WHERE status = 1 
        <if test="dimType != null and dimType != ''">
            AND (dim_type = #{dimType} OR dim_type = '0d')
        </if>
        ORDER BY sort_order ASC, year ASC
    </select>

    <resultMap type="com.onemap.apply.domain.yzt.UrbanMonitorAreaVO" id="UrbanMonitorAreaResult">
        <result property="code"    column="code"    />
        <result property="data"    column="data"    />
    </resultMap>

    <!-- 
        按年份、区域、类型分组查询城市监测数据
        返回: year, code, type, total_area, count
        Service层根据type拆分数据
    -->
    <select id="selectUrbanMonitorGrouped" resultType="map">
        SELECT 
            "year",
            trim(code) as code,
            type,
            SUM(area) as total_area,
            COUNT(*) as count
        FROM "vector"."jc_urban"
        GROUP BY "year", code, type
        ORDER BY "year" ASC, code ASC
    </select>
</mapper>