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https://issues.apache.org/jira/browse/LUCENE-975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Grant Ingersoll updated LUCENE-975:
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Attachment: LUCENE-975.patch
First attempt at a position based TermVectorMapper. I believe it is ready to
go, but will let it sit for a few days.
> Position based TermVectorMapper
> -------------------------------
>
> Key: LUCENE-975
> URL: https://issues.apache.org/jira/browse/LUCENE-975
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Store
> Reporter: Grant Ingersoll
> Assignee: Grant Ingersoll
> Priority: Minor
> Attachments: LUCENE-975.patch
>
>
> As part of the new TermVectorMapper approach to TermVectors, the ensuing
> patch loads term vectors and stores the term info by position. This should
> let people directly index into a term vector given a position. Actually, it
> does it through Maps, b/c the array based bookkeeping is a pain given the way
> positions are stored.
> The map looks like:
> Map<String, Map<Integer, TVPositionInfo>>
> where the String is the field name, the integer is the position, and
> TVPositionInfo is a storage mechanism for the terms and offsets that occur at
> a position. It _should_ handle multiple terms per position (which is always
> my downfall! )
> I have not tested performance of this approach.
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