32 lines
820 B
Java
32 lines
820 B
Java
package com.gunshi.project.ss.mapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.gunshi.project.ss.model.DocCategory;
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import com.gunshi.project.ss.model.DocCenter;
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import org.apache.ibatis.annotations.Mapper;
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import org.apache.ibatis.annotations.Param;
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import org.apache.ibatis.annotations.Select;
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import java.util.List;
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@Mapper
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public interface DocCenterMapper extends BaseMapper<DocCenter> {
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@Select("""
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SELECT *
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FROM (
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SELECT *,
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ROW_NUMBER() OVER (
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PARTITION BY group_id
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ORDER BY doc_number DESC
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) AS rn
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FROM doc_center
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WHERE doc_category_id = #{docCategoryId}
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) AS ranked
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WHERE rn = 1;
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""")
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List<DocCenter> latestDocCenter(@Param("docCategoryId") Long docCategoryId);
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}
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