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https://issues.apache.org/jira/browse/LUCENE-1219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12621099#action_12621099
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Michael McCandless commented on LUCENE-1219:
--------------------------------------------
bq. realized I am missing actual length we read in LazyField
Duh, right.
Though: couldn't you just call document.getFieldable(name), and then call
binaryValue(byte[] result) on that Fieldable, and then get the length from it
(getBinaryLength()) too? (Trying to minimize API changes).
bq. 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.
This sounds interesting... but how would you re-use your own byte[] with this
approach?
> support array/offset/ length setters for Field with binary data
> ---------------------------------------------------------------
>
> Key: LUCENE-1219
> URL: https://issues.apache.org/jira/browse/LUCENE-1219
> 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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