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From Mathias Lux <m...@itec.uni-klu.ac.at>
Subject Re: Query & result caching with custom functions
Date Thu, 24 Oct 2013 15:42:12 GMT
That's a possibility,  I'll try that and report on the effects.  Thanks,
Mathias
Am 24.10.2013 16:52 schrieb "Joel Bernstein" <joelsolr@gmail.com>:

> Mathias,
>
> I'd have to do a close review of the function sort code to be sure, but I
> suspect if you implement the equals() method on the ValueSource it should
> solve your caching issue. Also implement hashCode().
>
> Joel
>
>
> On Thu, Oct 24, 2013 at 10:35 AM, Shawn Heisey <solr@elyograg.org> wrote:
>
> > On 10/24/2013 5:35 AM, Mathias Lux wrote:
> > > I've written a custom function, which is able to provide a distance
> > > based on some DocValues to re-sort result lists. This basically works
> > > great, but we've got the problem that if I don't change the query, but
> > > the function parameters, Solr delivers a cached result without
> > > re-ordering. I turned off caching and see there, problem solved. But
> > > of course this is not a avenue I want to pursue further as it doesn't
> > > make sense for a prodcutive system.
> > >
> > > Do you have any ideas (beyond fake query modification and turning off
> > > caching) to counteract?
> > >
> > > btw. I'm using Solr 4.4 (so if you are aware of the issue and it has
> > > been resolved in 4.5 I'll port it :) The code I'm using is at
> > > https://bitbucket.org/dermotte/liresolr
> >
> > I suspect that the queryResultCache is not paying attention to the fact
> > that parameters for your plugin have changed.  This probably means that
> > your plugin must somehow inform the "cache check" code that something
> > HAS changed.
> >
> > How you actually do this is a mystery to me because it involves parts of
> > the code that are beyond my understanding, but it MIGHT involve making
> > sure that parameters related to your code are saved as part of the entry
> > that goes into the cache.
> >
> > Thanks,
> > Shawn
> >
> >
>

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