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https://issues.apache.org/jira/browse/SOLR-407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12541078
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Hoss Man commented on SOLR-407:
-------------------------------

Mike: one thing that's not clear to me from a quick glance at your patch is 
wether or not this case works...

   q= -foo & fq.nocache=bar

...i *think* that in your patch, a boolean query containing one negative foo 
clause gets added to a new "target" query as a mandatory clause along with the 
fq.nocache ... and the SolrIndexSearcher code for detecting a pure negative 
query and finding the inverse doesn't get tripped.

> Uncached filter query parameters
> --------------------------------
>
>                 Key: SOLR-407
>                 URL: https://issues.apache.org/jira/browse/SOLR-407
>             Project: Solr
>          Issue Type: New Feature
>          Components: search
>    Affects Versions: 1.3
>            Reporter: Mike Klaas
>            Assignee: Mike Klaas
>            Priority: Minor
>             Fix For: 1.3
>
>         Attachments: fq.nocache.patch
>
>
> Add a fq.nocache parameter (that may be specified multiple times) that adds 
> filter clauses to the query which are not cached.  Further, these filters are 
> embedded directly into the BooleanQuery, which should be more efficient when 
> filters are not reused.

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