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From "Yonik Seeley (JIRA)" <>
Subject [jira] Commented: (LUCENE-1219) support array/offset/ length setters for Field with binary data
Date Fri, 08 Aug 2008 20:25:44 GMT


Yonik Seeley commented on LUCENE-1219:

bq. Also ... it'd be nice to have a way to do this re-use in the non-lazy case. Ie somehow
load a stored doc, but passing in your own Document result which would attempt to re-use the
Field instances & byte[] for the binary fields.

Right.  This also gets back to the fact that the Document you retrieve should probably be
different than the Document that you get by loading the stored fields.

Some sort of lower level callback interface to populate a Document might even eliminate the
need for some of the FieldSelector stuff... or at least it would mostly be independent of
the field reading code and users could create more advanced implementations.

> support array/offset/ length setters for Field with binary data
> ---------------------------------------------------------------
>                 Key: LUCENE-1219
>                 URL:
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>            Reporter: Eks Dev
>            Assignee: Michael McCandless
>            Priority: Minor
>         Attachments: LUCENE-1219.extended.patch, LUCENE-1219.patch, LUCENE-1219.patch,
LUCENE-1219.patch, LUCENE-1219.patch, LUCENE-1219.take2.patch, LUCENE-1219.take3.patch
> currently Field/Fieldable interface supports only compact, zero based byte arrays. This
forces end users to create and copy content of new objects before passing them to Lucene as
such fields are often of variable size. Depending on use case, this can bring far from negligible
 performance  improvement. 
> this approach extends Fieldable interface with 3 new methods   
> getOffset(); gettLenght(); and getBinaryValue() (this only returns reference to the array)

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