Spring-boot JPA, query with LIKE and NULL fields





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I am using Spring-Boot 1.5.10 with JPA connected to SQL Server 2016.
I do have a custom query which is executing a LIKE but when the fields is NULL no records are returned:



@Query("SELECT s FROM Speaker s where " +

        "(" +

        "lower(s.lastName) like lower(concat('%', ?1,'%')) " +

        "OR lower(s.firstName) like lower(concat('%', ?1,'%')) " +

        "OR lower(s.biography) like lower(concat('%', ?1,'%'))" +

        ") " +

        "and lower(s.language) like lower(concat('%', ?2,'%')) " +

        "and lower(s.contactType) like lower(concat('%', ?3,'%')) " +

        "and s.fee <= ?4")

Page<Speaker> findByContains(String criteria, String language, String type, int fee, Pageable pageable);


The Query is connected to a REST controller where 1 parameter is passed called criteria, the problem is that you might call the REST controller without passing any criteria at all. In that scenario the query doesn't return records where one of the search criteria has NULL in the Database.






java sql-server spring spring-boot







share|improve this question





























    1















    I am using Spring-Boot 1.5.10 with JPA connected to SQL Server 2016.
    I do have a custom query which is executing a LIKE but when the fields is NULL no records are returned:



    @Query("SELECT s FROM Speaker s where " +
    
        "(" +
    
        "lower(s.lastName) like lower(concat('%', ?1,'%')) " +
    
        "OR lower(s.firstName) like lower(concat('%', ?1,'%')) " +
    
        "OR lower(s.biography) like lower(concat('%', ?1,'%'))" +
    
        ") " +
    
        "and lower(s.language) like lower(concat('%', ?2,'%')) " +
    
        "and lower(s.contactType) like lower(concat('%', ?3,'%')) " +
    
        "and s.fee <= ?4")
    
Page<Speaker> findByContains(String criteria, String language, String type, int fee, Pageable pageable);


    The Query is connected to a REST controller where 1 parameter is passed called criteria, the problem is that you might call the REST controller without passing any criteria at all. In that scenario the query doesn't return records where one of the search criteria has NULL in the Database.






    java sql-server spring spring-boot







    share|improve this question

























      1












      1








      1








      I am using Spring-Boot 1.5.10 with JPA connected to SQL Server 2016.
      I do have a custom query which is executing a LIKE but when the fields is NULL no records are returned:



      @Query("SELECT s FROM Speaker s where " +
      
        "(" +
      
        "lower(s.lastName) like lower(concat('%', ?1,'%')) " +
      
        "OR lower(s.firstName) like lower(concat('%', ?1,'%')) " +
      
        "OR lower(s.biography) like lower(concat('%', ?1,'%'))" +
      
        ") " +
      
        "and lower(s.language) like lower(concat('%', ?2,'%')) " +
      
        "and lower(s.contactType) like lower(concat('%', ?3,'%')) " +
      
        "and s.fee <= ?4")
      
Page<Speaker> findByContains(String criteria, String language, String type, int fee, Pageable pageable);


      The Query is connected to a REST controller where 1 parameter is passed called criteria, the problem is that you might call the REST controller without passing any criteria at all. In that scenario the query doesn't return records where one of the search criteria has NULL in the Database.






      java sql-server spring spring-boot







      share|improve this question














      I am using Spring-Boot 1.5.10 with JPA connected to SQL Server 2016.
      I do have a custom query which is executing a LIKE but when the fields is NULL no records are returned:



      @Query("SELECT s FROM Speaker s where " +
      
        "(" +
      
        "lower(s.lastName) like lower(concat('%', ?1,'%')) " +
      
        "OR lower(s.firstName) like lower(concat('%', ?1,'%')) " +
      
        "OR lower(s.biography) like lower(concat('%', ?1,'%'))" +
      
        ") " +
      
        "and lower(s.language) like lower(concat('%', ?2,'%')) " +
      
        "and lower(s.contactType) like lower(concat('%', ?3,'%')) " +
      
        "and s.fee <= ?4")
      
Page<Speaker> findByContains(String criteria, String language, String type, int fee, Pageable pageable);


      The Query is connected to a REST controller where 1 parameter is passed called criteria, the problem is that you might call the REST controller without passing any criteria at all. In that scenario the query doesn't return records where one of the search criteria has NULL in the Database.






      java sql-server spring spring-boot




      java sql-server spring spring-boot






      share|improve this question













      share|improve this question











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      asked Jan 3 at 11:04









      RaffaeuRaffaeu

      3,25374185




      3,25374185
























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          You could use COALESCE to transform null into the emtpy string:



          lower(COALESCE(s.firstName,''))


          etc.






          share|improve this answer
























          • There you go, that's exactly what I was looking for. The problem is on SQL Server and not on the JPA query

            – Raffaeu
            Jan 3 at 12:20












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          1 Answer
          1






          active

          oldest

          votes








          1 Answer
          1






          active

          oldest

          votes









          active

          oldest

          votes






          active

          oldest

          votes









          2














          You could use COALESCE to transform null into the emtpy string:



          lower(COALESCE(s.firstName,''))


          etc.






          share|improve this answer
























          • There you go, that's exactly what I was looking for. The problem is on SQL Server and not on the JPA query

            – Raffaeu
            Jan 3 at 12:20
















          2














          You could use COALESCE to transform null into the emtpy string:



          lower(COALESCE(s.firstName,''))


          etc.






          share|improve this answer
























          • There you go, that's exactly what I was looking for. The problem is on SQL Server and not on the JPA query

            – Raffaeu
            Jan 3 at 12:20














          2












          2








          2







          You could use COALESCE to transform null into the emtpy string:



          lower(COALESCE(s.firstName,''))


          etc.






          share|improve this answer













          You could use COALESCE to transform null into the emtpy string:



          lower(COALESCE(s.firstName,''))


          etc.







          share|improve this answer












          share|improve this answer



          share|improve this answer










          answered Jan 3 at 11:18









          TuroTuro

          2,2121715




          2,2121715













          • There you go, that's exactly what I was looking for. The problem is on SQL Server and not on the JPA query

            – Raffaeu
            Jan 3 at 12:20



















          • There you go, that's exactly what I was looking for. The problem is on SQL Server and not on the JPA query

            – Raffaeu
            Jan 3 at 12:20

















          There you go, that's exactly what I was looking for. The problem is on SQL Server and not on the JPA query

          – Raffaeu
          Jan 3 at 12:20





          There you go, that's exactly what I was looking for. The problem is on SQL Server and not on the JPA query

          – Raffaeu
          Jan 3 at 12:20




















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