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22 lines
973 B
22 lines
973 B
package com.bupt.note.Repository;
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import com.bupt.note.Model.Paper;
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import org.springframework.data.jpa.repository.JpaRepository;
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import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
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import org.springframework.data.jpa.repository.Query;
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import java.util.List;
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public interface PaperRepository extends JpaRepository<Paper, Long>, JpaSpecificationExecutor<Paper> {
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@Query(value = "select *\n" +
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"from sys_paper\n" +
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"where id in (select a.id\n" +
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" from (select p.id, sum(r.score1 + r.score2 + r.score3) as score\n" +
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" from sys_paper p,\n" +
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" sys_paper_rating r\n" +
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" where p.id = r.paper_id\n" +
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" group by p.id\n" +
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" order by score desc\n" +
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" limit 10) a)",nativeQuery = true)
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List<Paper> recommend();
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}
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