Re: Retrieving Records for a range of primary keys

From: Andrey Razumovsky (razumovsky.andre..mail.com)
Date: Thu Dec 17 2009 - 08:51:16 EST

  • Next message: Hans Pikkemaat: "Re: Retrieving Records for a range of primary keys"

    If you're using SelectQuery, Expression.inDbExp() is for you to go. See
    http://cayenne.apache.org/doc/path-expressions.html

    2009/12/17 Hans Pikkemaat <h.pikkemaa..si-solutions.nl>

    > Hi,
    >
    > Some paginated mechanisms are based on a persistence layer to be able to
    > retrieve records for a range of primary keys.
    >
    > I know it is possible to insert the primary key field in the definition but
    > then I'm also required to populate it
    > when I create a record. I'm using a sequence generator to determine the key
    > value of a new record.
    >
    > So my question is: without having to insert the key field in the
    > definition, is it possible to query the table
    > by primary key range, and if yes, how?
    >
    > tx
    >
    > Hans Pikkemaat
    >
    >

    -- 
    Andrey
    



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