Re: [hibernate-dev] Query#iterate

Because the behavior is also fundamentally questionable. On Fri, Jan 27, 2017 at 12:17 PM Christian Beikov < christian.beikov(a)gmail.com&gt; wrote: > I'm sorry, I apparently confused iterate() with scroll() then, so forget > what I wrote before ^^ > > In face of that new info, I actually don't know of any actual users. After > thinking a bit about it, why not make that behavior configurable via > setProperty and drop that method? > > > Am 27.01.2017 um 19:01 schrieb Steve Ebersole: > > On Fri, Jan 27, 2017 at 9:51 AM Christian Beikov < > christian.beikov(a)gmail.com&gt; wrote: > > I just know of people that are using iterate() now for efficient > incremental processing, but I guess any other approach(streams maybe?) > to do incremental processing would be good enough for these users. > > > ScrollableResults do not meet that need? > > > > Unfortunately I don't know what a shallow query is or what the > implication on the query or the processing of being shallow are. > > > Just what I said before. "shallow" is simply a boolean flag that is part > of the translator. It is set to true when the translation is triggered > from Query#iterate. When the translation is triggered from Query#list or > Query#scroll it is set to false. > > > > I guess this has to do with how row processing is done? > > > The main thing is effects is the SQL we render. For "entity returns" it > simply selects the ids and we expect to then load them (immediately!) by > that id (N+1). Its usefulness is actually VERY limited in scope as it > actually performs horrendously in, what, 95-99% of use cases? > > Interestingly it really does not have much effect on "row processing". > > > _______________________________________________ hibernate-dev mailing list hibernate-dev(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/hibernate-dev