Andrus did a lot of optimizing... it was in a dev thread awhile ago.
Don't remember the specifics offhand, sorry.
On Apr 2, 2008, at 4/24:59 AM , Malcolm Edgar wrote:
> What were the big paging performance improvements in 3.0?
> regards Malcolm Edgar
> On Wed, Apr 2, 2008 at 7:27 PM, Robert Zeigler <robert..uregumption.com
> > wrote:
>> Typically, you're just going to use a paginated query:
>> SelectQuery q = new SelectQuery(Artist.class);
>> q.setPageSize(50);//triggers the pagination.
>> You can get the size of the result set without faulting every (or
>> object in it, jump to specific objects w/in the query (and only
>> fault the
>> "neighboring" objects on the same page), etc.
>> This works well for most things. With the recent performances
>> in 3.0, this works wonderfully for a large portion of use cases out
>> You can also use setFetchLimit to limit the # of results returned.
>> Unfortunately, there's no corresponding "setOffset" method. But
>> you can
>> use SQLTemplate to accomplish the task, if you really need it.
>> On Apr 2, 2008, at 4/22:49 AM , John Emmanuel wrote:
>>> Is there a best practice for paging in a web application.
>>> If so, can somebody please direct me to a demo/article/tutorial.
>>> If none is available could somebody just briefly tell me how
>>> they incorporated paging in a production webapp.
>>> I have read the documentation (which provides examples
>>> of paging in desktop apps), have gone through the
>>> petstore example (which uses ibatis PaginatedList (which btw has
>>> now been deprecated), but am not clear about the best way
>>> to go about it.
>>> John Emmanuel
This archive was generated by hypermail 2.0.0 : Wed Apr 02 2008 - 06:07:40 EDT