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Posted to dev@lucene.apache.org by "Robert Muir (JIRA)" <ji...@apache.org> on 2015/04/02 08:21:53 UTC

[jira] [Created] (LUCENE-6388) Optimize SpanNearQuery

Robert Muir created LUCENE-6388:
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             Summary: Optimize SpanNearQuery
                 Key: LUCENE-6388
                 URL: https://issues.apache.org/jira/browse/LUCENE-6388
             Project: Lucene - Core
          Issue Type: Improvement
            Reporter: Robert Muir


After the big spans overhaul in LUCENE-6308, we can speed up SpanNearQuery a little more:

* SpanNearQuery defaults to collectPayloads=true, but this requires a slower implementation, for an uncommon case. Use the faster no-payloads impl if the field doesn't actually have any payloads.
* Use a simple array of Spans rather than List in NearSpans classes. This is iterated over often in the logic.



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