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From "Marvin Humphrey (JIRA)" <>
Subject [jira] Commented: (LUCENE-834) Payload Queries
Date Tue, 17 Apr 2007 22:50:15 GMT


Marvin Humphrey commented on LUCENE-834:

Averaging is how I've got this implemented by default in KS.  However, all positions and boosts
get read in at once.  TermDocs/TermPositions has been replaced by PostingList, which goes
doc by doc.  The type of Posting assigned to each field (MatchPosting, ScorePosting, RichPosting,
eventually PayloadPosting) determines how much gets read in. (KS doesn't have any queries
that rewrite(), so it's only large docs that are an issue.)

I haven't yet worked out the mechanics of per-position boosts and phrase queries.

> Payload Queries
> ---------------
>                 Key: LUCENE-834
>                 URL:
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Search
>            Reporter: Grant Ingersoll
>         Assigned To: Grant Ingersoll
>            Priority: Minor
>         Attachments: boosting.term.query.patch
> Now that payloads have been implemented, it will be good to make them searchable via
one or more Query mechanisms.  See for
some background information and for the issue
that started it all.  

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