<?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="org.dromara.demo.mapper.RsPcrDataMapper">
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<select id="getPcrData" resultType="org.dromara.demo.domain.vo.RsPcrDataVo">
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select *
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from (select * from rs_pcr_data where `status` = 1 and mode_name = '道路里程数量' ORDER BY create_time desc LIMIT 1) a
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union
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select *
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from (select * from rs_pcr_data where `status` = 1 and mode_name = '机动车保有量' ORDER BY create_time desc LIMIT 1) b
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union
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select *
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from (select * from rs_pcr_data where `status` = 1 and mode_name = '驾驶人保有量' ORDER BY create_time desc LIMIT 1) c
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</select>
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</mapper>
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