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Date: Wed, 26 Sep 2012 05:02:08 +1100 (NCT)
From: "Robert Muir (JIRA)" <jira@apache.org>
To: dev@lucene.apache.org
Message-ID: <1415706060.124044.1348596128998.JavaMail.jiratomcat@arcas>
In-Reply-To: <1345629202.121699.1348575848209.JavaMail.jiratomcat@arcas>
Subject: [jira] [Updated] (LUCENE-4425) Unclear documentation of
 StoredFieldVisitor.binaryValue
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     [ https://issues.apache.org/jira/browse/LUCENE-4425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Muir updated LUCENE-4425:
--------------------------------

    Attachment: LUCENE-4425.patch

here's a patch (not tested) just to see what it would look like.

SolrIndexSearcher was ignoring offset and length too, if we dont fix this issue, we should at least fix that.
                
> Unclear documentation of StoredFieldVisitor.binaryValue
> -------------------------------------------------------
>
>                 Key: LUCENE-4425
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4425
>             Project: Lucene - Core
>          Issue Type: Bug
>    Affects Versions: 4.0
>            Reporter: Adrien Grand
>            Priority: Minor
>             Fix For: 4.1, 5.0
>
>         Attachments: LUCENE-4425.patch
>
>
> When reading the binary value of a stored field, a StoredFieldsReader calls StoredFieldVisitor.binaryValue(arr, offset, length).
> Documentation currently doesn't state whether the byte[] can be reused outside of the scope of {{StoredFieldVisitor.binaryValue}} but {{DocumentStoredFieldVisitor}} assumes (as of r1389812) that it can.
> So {{DocumentStoredFieldVisitor}} would break with a custom {{StoredFieldsFormat}} that would call {{StoredFieldVisitor.binaryValue}} with a slice of a reusable buffer.

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