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Subject: Re: optional vs. probhibited aka standard vs. dismax handler
From: Lukas Kahwe Smith <mls@pooteeweet.org>
In-Reply-To: <1A07426E-1DC3-4383-BB56-98363AC2702A@cominvent.com>
Date: Tue, 29 Jun 2010 15:08:49 +0200
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To: solr-user@lucene.apache.org


On 29.06.2010, at 15:01, Jan H=F8ydahl / Cominvent wrote:

> When you mix query handlers like this you will need to add a "+" or an =
"AND" in front of the _query_: part as well, in order for it to be =
required.

> You will see the difference when you try the above query directly on =
your Solr instance and add &debugQuery=3Dtrue. Your parsedquerystring =
will show your real query.

ok .. i quickly tried this out before i send my last email. probably did =
something wrong.

> BTW:
> It is a better practice to submit your fielded terms as filters as =
they don't need to contribute to the score. I.e. you could rewrite your =
query from:
> q=3D+tag_ids:(23)  +document_code_prefix:(A/RES/58)  =
(_query_:"{!dismax qf=3D'content document_title' pf=3D'content =
document_title' v=3D$qq}&qq=3Ddecade -domestic
> to:
> q=3Ddecade -domestic&defType=3Ddismax&qf=3Dcontent =
document_title&pf=3Dcontent =
document_title&fq=3Dtag_ids:(23)&fq=3Ddocument_code_prefix:(A/RES/58)

i am already doing the facet filters via fq. however since i do want to =
allow optional fielded filters it seemed to make more sense to leave all =
of that in the q part.

> Also, you may want to apply patch SOLR-1553 and start using the =
eDisMax handler which allows fielded search and boolean operators, if =
you need more advanced user-facing query syntax.


yeah .. i am keeping an eye on that already.

thx!

regards,
Lukas Kahwe Smith
mls@pooteeweet.org