All,
Thank you all for your responses.
Our custom QParser identifies several of many dynamic fields for construction
of the actual Lucene query.
For instance, given a custom Solr request consisting of
"q={!xyzQP}scid:500247", a new query is to be constructed using information
from a SQL query which selects certain dynamic fields, e.g. p_001, q_004, r_007
along the lines of "+p_001:abc +q_004:abc +r_007:abc". The requirement is to
then configure fl to only include the stored fields psf_001, qsf_004 and
rsf_007 in the response, but not the many other stored fields that are not
relevant to the query.
What is the best way to accomplish this? It would be convenient to be able to
modify fl in the QParser.
Also, note that the index is not sharded.
Thanks!
Jim
-----Original Message-----
From: Rohit Kanchan [mailto:rohitkan2...@gmail.com]
Sent: Wednesday, August 31, 2016 12:42 AM
To: solr-user@lucene.apache.org
Subject: Re: Modifying fl in QParser
We are dealing with same thing, we have overridden QueryComponent (type of
SearchComponent) and added a field to retrieve there. That same field we are
setting in SolrParams from query request. According to your business you need
to figure out how you can override QueryComponent. I hope this helps in
solving your problem.
Thanks
Rohit Kanchan
On Tue, Aug 30, 2016 at 5:11 PM, Erik Hatcher <erik.hatc...@gmail.com>
wrote:
> Personally, I don’t think a QParser(Plugin) is the right place to modify
> other parameters, only to create a Query object. A QParser could be
> invoked from an fq, not just a q, and will get invoked on multiple
> nodes in SolrCloud, for example - this is why I think it’s not a good
> idea to do anything but return a Query.
>
> It is possible (in fact I’m dealing with this very situation with a client
> as we speak) to set parameters this way, but I don’t recommend it. Create
> a SearchComponent to do this job instead.
>
> Erik
>
>
>
> > On Aug 9, 2016, at 10:23 AM, Beale, Jim (US-KOP)
> > <jim.be...@hibu.com>
> wrote:
> >
> > Hi,
> >
> > Is it possible to modify the SolrParam, fl, to append selected
> > dynamic
> fields, while rewriting a query in QParser.parse()?
> >
> > Thanks in advance!
> >
> >
> > Jim Beale
> > Senior Lead Developer
> > 2201 Renaissance Boulevard, King of Prussia, PA, 19406
> > Mobile: 610-220-3067
> >
> >
> >
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