Yonik has a very well article about term qp:
Solr Terms Query for matching many terms - Solr 'n Stuff
http://yonik.com/solr-terms-query/
Scott Chu，scott....@udngroup.com
2016/5/23 (週一)
----- Original Message -----
From: Erik Hatcher
To: solr-user
CC:
Date: 2016/5/23 (週一) 21:14
Subject: Re: How to use "fq"
Try the {!terms} query parser. That should make it work well for you. Let us
know how it does.
Erik
> On May 23, 2016, at 08:52, Steven White <swhite4...@gmail.com> wrote:
>
> Hi everyone,
>
> I'm trying to figure out what's the best way for me to use "fq" when the
> list of items is large (up to 200, but I have few cases with up to 1000).
>
> My current usage is like so: &fq=category:(1 OR 2 OR 3 OR 4 ... 200)
>
> When I tested with up to 1000, I hit the "too many boolean clauses", so my
> fix was to increase the value of maxBooleanClauses. However, reading [1]
> warns that increasing the value of maxBooleanClauses has negative impact.
> The link offers an alternative usage like so:
> fq=category:1&fq=category:2... But I cannot use it because I need my "fq"
> to be treated as OR (my default is set to AND).
>
> I'm trying to understand what's the best way for me to coded this so I
> don't get a performance or memory hit.
>
> Thanks
>
> Steve
>
> [1]
> http://solr.pl/en/2011/12/19/do-i-have-to-look-for-maxbooleanclauses-when-using-filters/
>
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