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Posted to dev@lucene.apache.org by "Woody Anderson (JIRA)" <ji...@apache.org> on 2010/07/18 08:12:50 UTC
[jira] Commented: (LUCENE-2543) expose position information in
SegmentReader, add method getPosition(term)
[ https://issues.apache.org/jira/browse/LUCENE-2543?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12889572#action_12889572 ]
Woody Anderson commented on LUCENE-2543:
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i took a quite peek at making a patch for this for the lucene/trunk branch. SegmentReader has changed quite a lot with the codec stuff. If someone familiar with that new code knows the quick/easy way to have a... i guess a FieldProducer impl for the SegmentReader that can expose position information, that'd be great.
I would imagine that for a single segment we're still very capable of knowing the position of term.
I have code that depends on this functionality, i would like to be able to try it all out against lucene/trunk as it moves forward.
> expose position information in SegmentReader, add method getPosition(term)
> --------------------------------------------------------------------------
>
> Key: LUCENE-2543
> URL: https://issues.apache.org/jira/browse/LUCENE-2543
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Search
> Affects Versions: 3.0.2
> Reporter: Woody Anderson
> Fix For: 3.0.2, 4.0
>
> Attachments: LUCENE-2543.patch
>
>
> add public long getPosition(Term) to SegmentReader.
> Also, update the impl of getPosition in TermInfosReader (called by new method) to use enumerator.scanTo() to avoid creating many intermediate Term objects.
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