<?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.TTechnicalTitleMapper">
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<!-- 通用查询映射结果 -->
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<resultMap id="BaseResultMap" type="com.ruoyi.system.domain.TTechnicalTitle">
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<id column="id" property="id" />
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<result column="titile_name" property="titileName" />
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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, titile_name, 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.TTechnicalTitle">
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SELECT
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tt.id,
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tt.titile_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, tt.region_ids)
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SEPARATOR '、'
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) AS region_names,
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tt.create_by,
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tt.create_time,
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tt.is_delete,
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tt.region_ids
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FROM
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t_technical_title tt
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LEFT JOIN
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t_region tr ON FIND_IN_SET(tr.id, tt.region_ids)
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WHERE
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tt.is_delete = 0
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<if test="regionQuery.regionId != null ">
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and tr.id = #{regionQuery.regionId}
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</if>
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GROUP BY
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tt.id
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order by tt.create_time desc
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</select>
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</mapper>
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