Hibernate mapping on multiple databases (Oracle, Mysql)












2















I want my web application to run on mysql and Oracle, I use Hibernate 5. My hibernate mapping is as follows:



public class EventEntity {

@Id
@GeneratedValue(generator = "id_generator_EventEntity")
@GenericGenerator(name = "id_generator_EventEntity", strategy = "native", parameters = {
@Parameter(name="sequence_name", value="EVENT_SQ")
})
private Long id;


As I use native generator so it uses autoincrement on Mysql and sequence on Oracle which works fine. However I also defined what sequence should be used when inserting an event but I have the following error during insertion:



2018-11-19 09:35:05.228 DEBUG [org.hibernate.SQL:94]  - 
select
hibernate_sequence.nextval
from
dual
2018-11-19 09:35:05.302 DEBUG [org.hibernate.engine.jdbc.spi.SqlExceptionHelper:126] - could not extract ResultSet [n/a]
java.sql.SQLSyntaxErrorException: ORA-02289: sequence does not exist
at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:494)
at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:446)
...


So it ignores my hint which sequence should be used and it wants to use the default one (hibernate_sequence).



Any help please?



Thanks,

V.



////////////////////////////// UPDATE 1 //////////////////////////////

My solution so far is to downgrade to Hibernate 4 and use the following mapping:



@Id
@GeneratedValue(strategy = GenerationType.AUTO, generator = "id_generator_EventEntity")
@SequenceGenerator(name="id_generator_EventEntity", sequenceName = "EVENT_SQ")
private Long id;


Is it possible that there isn't a solution in Hibernate 5?










share|improve this question





























    2















    I want my web application to run on mysql and Oracle, I use Hibernate 5. My hibernate mapping is as follows:



    public class EventEntity {

    @Id
    @GeneratedValue(generator = "id_generator_EventEntity")
    @GenericGenerator(name = "id_generator_EventEntity", strategy = "native", parameters = {
    @Parameter(name="sequence_name", value="EVENT_SQ")
    })
    private Long id;


    As I use native generator so it uses autoincrement on Mysql and sequence on Oracle which works fine. However I also defined what sequence should be used when inserting an event but I have the following error during insertion:



    2018-11-19 09:35:05.228 DEBUG [org.hibernate.SQL:94]  - 
    select
    hibernate_sequence.nextval
    from
    dual
    2018-11-19 09:35:05.302 DEBUG [org.hibernate.engine.jdbc.spi.SqlExceptionHelper:126] - could not extract ResultSet [n/a]
    java.sql.SQLSyntaxErrorException: ORA-02289: sequence does not exist
    at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:494)
    at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:446)
    ...


    So it ignores my hint which sequence should be used and it wants to use the default one (hibernate_sequence).



    Any help please?



    Thanks,

    V.



    ////////////////////////////// UPDATE 1 //////////////////////////////

    My solution so far is to downgrade to Hibernate 4 and use the following mapping:



    @Id
    @GeneratedValue(strategy = GenerationType.AUTO, generator = "id_generator_EventEntity")
    @SequenceGenerator(name="id_generator_EventEntity", sequenceName = "EVENT_SQ")
    private Long id;


    Is it possible that there isn't a solution in Hibernate 5?










    share|improve this question



























      2












      2








      2


      1






      I want my web application to run on mysql and Oracle, I use Hibernate 5. My hibernate mapping is as follows:



      public class EventEntity {

      @Id
      @GeneratedValue(generator = "id_generator_EventEntity")
      @GenericGenerator(name = "id_generator_EventEntity", strategy = "native", parameters = {
      @Parameter(name="sequence_name", value="EVENT_SQ")
      })
      private Long id;


      As I use native generator so it uses autoincrement on Mysql and sequence on Oracle which works fine. However I also defined what sequence should be used when inserting an event but I have the following error during insertion:



      2018-11-19 09:35:05.228 DEBUG [org.hibernate.SQL:94]  - 
      select
      hibernate_sequence.nextval
      from
      dual
      2018-11-19 09:35:05.302 DEBUG [org.hibernate.engine.jdbc.spi.SqlExceptionHelper:126] - could not extract ResultSet [n/a]
      java.sql.SQLSyntaxErrorException: ORA-02289: sequence does not exist
      at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:494)
      at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:446)
      ...


      So it ignores my hint which sequence should be used and it wants to use the default one (hibernate_sequence).



      Any help please?



      Thanks,

      V.



      ////////////////////////////// UPDATE 1 //////////////////////////////

      My solution so far is to downgrade to Hibernate 4 and use the following mapping:



      @Id
      @GeneratedValue(strategy = GenerationType.AUTO, generator = "id_generator_EventEntity")
      @SequenceGenerator(name="id_generator_EventEntity", sequenceName = "EVENT_SQ")
      private Long id;


      Is it possible that there isn't a solution in Hibernate 5?










      share|improve this question
















      I want my web application to run on mysql and Oracle, I use Hibernate 5. My hibernate mapping is as follows:



      public class EventEntity {

      @Id
      @GeneratedValue(generator = "id_generator_EventEntity")
      @GenericGenerator(name = "id_generator_EventEntity", strategy = "native", parameters = {
      @Parameter(name="sequence_name", value="EVENT_SQ")
      })
      private Long id;


      As I use native generator so it uses autoincrement on Mysql and sequence on Oracle which works fine. However I also defined what sequence should be used when inserting an event but I have the following error during insertion:



      2018-11-19 09:35:05.228 DEBUG [org.hibernate.SQL:94]  - 
      select
      hibernate_sequence.nextval
      from
      dual
      2018-11-19 09:35:05.302 DEBUG [org.hibernate.engine.jdbc.spi.SqlExceptionHelper:126] - could not extract ResultSet [n/a]
      java.sql.SQLSyntaxErrorException: ORA-02289: sequence does not exist
      at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:494)
      at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:446)
      ...


      So it ignores my hint which sequence should be used and it wants to use the default one (hibernate_sequence).



      Any help please?



      Thanks,

      V.



      ////////////////////////////// UPDATE 1 //////////////////////////////

      My solution so far is to downgrade to Hibernate 4 and use the following mapping:



      @Id
      @GeneratedValue(strategy = GenerationType.AUTO, generator = "id_generator_EventEntity")
      @SequenceGenerator(name="id_generator_EventEntity", sequenceName = "EVENT_SQ")
      private Long id;


      Is it possible that there isn't a solution in Hibernate 5?







      oracle hibernate hibernate-mapping hibernate-5.x






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited Nov 20 '18 at 9:05







      Viktor

















      asked Nov 19 '18 at 8:43









      ViktorViktor

      62221128




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