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From "Frederik Kraus (JIRA)" <>
Subject [jira] Created: (SOLR-2386) Filter Query Cache Improvement
Date Sat, 26 Feb 2011 19:45:58 GMT
Filter Query Cache Improvement

                 Key: SOLR-2386
             Project: Solr
          Issue Type: Improvement
    Affects Versions: 1.4.1, 3.1, 4.0
            Reporter: Frederik Kraus
            Priority: Minor

Currently logically identical filter queries are not reduced to one query, but processed and
cached individually.

In terms of cache "keys" the following two, logically identical queries, each have a different

fq=id:(12345 OR 54321)


fq=id:(54321 OR 12345)

Internally both queries should be stored and requested by/from the cache as fq=id:(12345 OR
54321) i.e. the clauses in BooleanQuery should be sorted.

Not sure where this would fit best. Lucene/BooleanQuery looks like a natural place to do this
sort, but might be more a solr optimization?

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