<?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.ruoyi.system.mapper.TTitleMajorMapper">
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<!-- 通用查询映射结果 -->
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<resultMap id="BaseResultMap" type="com.ruoyi.system.domain.TTitleMajor">
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<id column="id" property="id" />
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<result column="region_name" property="regionName" />
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<result column="technical_id" property="technicalId" />
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<result column="region_ids" property="regionIds" />
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<result column="create_by" property="createBy" />
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<result column="create_time" property="createTime" />
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<result column="is_delete" property="isDelete" />
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</resultMap>
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<!-- 通用查询结果列 -->
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<sql id="Base_Column_List">
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id, region_name, technical_id, region_ids, create_by, create_time, is_delete
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</sql>
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<select id="pageList" resultType="com.ruoyi.system.domain.TTitleMajor">
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SELECT
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t1.*,
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t2.titile_name AS technical_name ,
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GROUP_CONCAT(
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CONCAT(tr.province_name, '-', tr.name)
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ORDER BY FIND_IN_SET(tr.id, t1.region_ids)
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SEPARATOR '、'
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) AS region_names
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FROM
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t_title_major t1
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LEFT JOIN t_technical_title t2 ON t1.technical_id = t2.id
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LEFT JOIN t_region tr ON FIND_IN_SET(tr.id, t1.region_ids)
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where t1.is_delete = 0
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GROUP BY
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t1.id
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ORDER BY t1.create_time DESC
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</select>
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</mapper>
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