Varun Thacker created SOLR-12488:
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Summary: Rewrite exists field value query to leverage
DocValuesFieldExistsQuery and NormsFieldExistsQuery
Key: SOLR-12488
URL: https://issues.apache.org/jira/browse/SOLR-12488
Project: Solr
Issue Type: Improvement
Security Level: Public (Default Security Level. Issues are Public)
Components: query parsers
Reporter: Varun Thacker
A few of us were discussing at Buzzwords on how a common use case requirement
is "match documents which have values for a field"
To do this we need to query "-fq:brand:*" . This query can be slow and can be
optimized
We can take advantage of NormsFieldExistsQuery and DocValuesFieldExistsQuery to
speed up this use-case and not have to resort to WildcardQuery
Today Solr's schema has doc-values enabled for fields that support it and for
text fields norms are enabled by default so most users would already have the
necessary indexed structures
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