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Date: Sat, 31 Mar 2012 11:16:25 +0000 (UTC)
From: "Uwe Schindler (Reopened) (JIRA)" <jira@apache.org>
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Subject: [jira] [Reopened] (LUCENE-3738) Be consistent about negative
 vInt/vLong
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     [ https://issues.apache.org/jira/browse/LUCENE-3738?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe Schindler reopened LUCENE-3738:
-----------------------------------

    
> Be consistent about negative vInt/vLong
> ---------------------------------------
>
>                 Key: LUCENE-3738
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3738
>             Project: Lucene - Java
>          Issue Type: Bug
>            Reporter: Michael McCandless
>            Assignee: Uwe Schindler
>             Fix For: 3.6, 4.0
>
>         Attachments: ByteArrayDataInput.java.patch, LUCENE-3738-improvement.patch, LUCENE-3738.patch, LUCENE-3738.patch, LUCENE-3738.patch, LUCENE-3738.patch, LUCENE-3738.patch
>
>
> Today, write/readVInt "allows" a negative int, in that it will encode and decode correctly, just horribly inefficiently (5 bytes).
> However, read/writeVLong fails (trips an assert).
> I'd prefer that both vInt/vLong trip an assert if you ever try to write a negative number... it's badly trappy today.  But, unfortunately, we sometimes rely on this... had we had this assert in 'since the beginning' we could have avoided that.
> So, if we can't add that assert in today, I think we should at least fix readVLong to handle negative longs... but then you quietly spend 9 bytes (even more trappy!).

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