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Posted to dev@lucene.apache.org by "Woody Anderson (JIRA)" <ji...@apache.org> on 2010/07/18 02:02:49 UTC

[jira] Created: (LUCENE-2543) expose position information in SegmentReader, add method getPosition(term)

expose position information in SegmentReader, add method getPosition(term)
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                 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: 4.0, 3.0.2


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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[jira] Commented: (LUCENE-2543) expose position information in SegmentReader, add method getPosition(term)

Posted by "Woody Anderson (JIRA)" <ji...@apache.org>.
    [ 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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[jira] Updated: (LUCENE-2543) expose position information in SegmentReader, add method getPosition(term)

Posted by "Woody Anderson (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/LUCENE-2543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Woody Anderson updated LUCENE-2543:
-----------------------------------

    Attachment: LUCENE-2543.patch

adds the getPosition(Term) method, 'tests' it by iterating an enum and validating that the positions match and are strict monotonic etc.


> 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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[jira] Updated: (LUCENE-2543) expose position information in SegmentReader, add method getPosition(term)

Posted by "Uwe Schindler (JIRA)" <ji...@apache.org>.
     [ https://issues.apache.org/jira/browse/LUCENE-2543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe Schindler updated LUCENE-2543:
----------------------------------

    Fix Version/s:     (was: 3.0.2)

> 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: 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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