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HibernatePagination


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Hibernate Pagination

  • Is there an easy way to get Hibernate to Paginate my results?

Here's an entry from the Hibernate FAQ that shows one way of doing this:

Here is Gavin Kings Blog on a Paging class.

Another entry relevant to this issue on the Hibernate site Hibernate Pagination

Query q = s.createFilter( collection, "" ); // the trivial filter
q.setMaxResults(PAGE_SIZE);
q.setFirstResult(PAGE_SIZE * pageNumber);
q.setProjection( Projections.alias( Projections.rowCount(), "numResults" ) )
List page = q.list();

Do NOT use:

ScrollableResults scrollableResults = query.scroll();
scrollableResults.last();
rowCnt = scrollableResults.getRowNumber();

as most drivers (including Oracle) basically read all the data on the client side in order to calculate the number of rows. Hibernate 3 has added the ability of adding projections like count(*) w/ aliases to the Query.

The Display Tag has support for external paging and sorting with a system like this one.



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This particular version was published on 27-Apr-2007 02:31:46 MDT by MattRaible.