On 12.09.2012, at 00:33, Thomas Mueller <muel...@adobe.com> wrote: >> Display the actual number of search results to the user? > > Do you want to risk that the method getSize() takes 1.5 hours just to > display the actual number of search results to the user?
Well, the application can decide if there are other options such as the proposed hasSize() or getSize(max int) (which I like). >> If they show "next page", they usually also show the number of results >> and the number of pages. > > Yes, I understand it is a nice feature. But it is a very dangerous feature > given the problems described above. Developers are used to get fast counts in RDBMS with dedicated indexes. Cheers, Alex
