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https://issues.apache.org/jira/browse/LUCENE-6393?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Paul Elschot updated LUCENE-6393:
---------------------------------
Attachment: LUCENE-6393.patch
Patch of 4 April 2015.
This removes the asTwoPhaseIterator method in FilterSpans.java and the
@AwaitsFix lines in /TestSpanSearchEquivalence.
The patch also deletes TestFilterSpans, which only repeats checks done by the
compiler does not do already.
> SpanFirstQuery sometimes returns Spans without any positions
> ------------------------------------------------------------
>
> Key: LUCENE-6393
> URL: https://issues.apache.org/jira/browse/LUCENE-6393
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
> Fix For: Trunk, 5.2
>
> Attachments: LUCENE-6393-alternative.patch, LUCENE-6393.patch,
> LUCENE-6393.patch
>
>
> This hits an assert in SpanScorer because it breaks the javadocs contract of
> Spans.nextStartPosition():
> * Returns the next start position for the current doc.
> * There is always *at least one start/end position* per doc.
> * After the last start/end position at the current doc this returns
> NO_MORE_POSITIONS.
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