java - Cannot retrieve the id of the last inserted row in Oracle using Hibernate -


i'm using trigger fires before insert sequence generate id table in oracle 11g xe

here trigger

drop trigger googleplay.organization_code_generator;  create or replace trigger googleplay.organization_code_generator before insert on googleplay.organizations  referencing new new old old each row declare  begin          select organization_seq.nextval :new.code dual;  exception    when others          -- consider logging error , re-raise       raise; end organization_code_generator;

here sequence 

drop sequence googleplay.organization_seq;  create sequence googleplay.organization_seq   start 41   maxvalue 99   minvalue 1   nocycle   nocache   noorder;

i want id using hibernate i'm using 

  session.persist(cashierorganization);   session.flush();   cashierorganization = (organizations) session.merge(cashierorganization);

but 0 id suggestions ?

did try use custom generator id set trigger during insert? it's relative common situation when work oracle. try use this:

@id @generatedvalue(generator="triggergenerator") @genericgenerator(name="triggergenerator",      strategy="package.to.my.custom.generator.triggerassignedidentitygenerator") private long id;

the triggerassignedidentitygenerator class implementing custom generator strategy , implementation shown in topic in hibernate forum:

hope help!


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