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https://issues.apache.org/jira/browse/LUCENE-3821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13226623#comment-13226623
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Doron Cohen commented on LUCENE-3821:
-------------------------------------
Committed:
- r1299077 3x
- r1299112 trunk
bq. I would be glad to try out a nightly build with the patch as is against our
tests - I would be glad to get the 80% solution if it fixes my bug.
It's in now...
bq. But I wonder if we can re-use even some of the math to redefine the
problem more formally to figure out what minimal state/lookahead we need for
example...
Robert, this gave me an idea... currently, in case of "collision" between
repeaters, we compare them and advance the "lesser" of them
(SloppyPhraseScorer.lesser(PhrasePositions, PhrasePositions)) - it should be
fairly easy to add lookahead to this logic: if one of the two is multi-term,
lesser can also do a lookahead. The amount of lookahead can depend on the slop.
I'll give it a try before closing this issue.
> SloppyPhraseScorer sometimes misses documents that ExactPhraseScorer finds.
> ---------------------------------------------------------------------------
>
> Key: LUCENE-3821
> URL: https://issues.apache.org/jira/browse/LUCENE-3821
> Project: Lucene - Java
> Issue Type: Bug
> Affects Versions: 3.5, 4.0
> Reporter: Naomi Dushay
> Assignee: Doron Cohen
> Attachments: LUCENE-3821-SloppyDecays.patch, LUCENE-3821.patch,
> LUCENE-3821.patch, LUCENE-3821.patch, LUCENE-3821.patch,
> LUCENE-3821_test.patch, schema.xml, solrconfig-test.xml
>
>
> The general bug is a case where a phrase with no slop is found,
> but if you add slop its not.
> I committed a test today (TestSloppyPhraseQuery2) that actually triggers this
> case,
> jenkins just hasn't had enough time to chew on it.
> ant test -Dtestcase=TestSloppyPhraseQuery2 -Dtests.iter=100 is enough to make
> it fail on trunk or 3.x
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