Nicholas Knize created LUCENE-6712:
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Summary: GeoPointField should cut over to DocValues for boundary
filtering
Key: LUCENE-6712
URL: https://issues.apache.org/jira/browse/LUCENE-6712
Project: Lucene - Core
Issue Type: Improvement
Reporter: Nicholas Knize
Currently GeoPointField queries only use the Terms Dictionary for ranges that
fall within and on the boundary of the query shape. For boundary ranges the
full precision terms are iterated, for within ranges the postings list is used.
Instead of iterating full precision terms for boundary ranges, this enhancement
cuts over to DocValues for post-filtering boundary terms. This allows us to
increase precisionStep for GeoPointField thereby reducing the number of terms
and the size of the index. This enhancement should also provide a boost in
query performance since visiting more docs and fewer terms should be more
efficient than visiting fewer docs and more terms.
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