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Date: Mon, 10 Oct 2011 20:28:29 +0000 (UTC)
From: "Andy Seaborne (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (JENA-97) TDB 0.9.0 snapshot sometimes returns a
 SELECT binding twice
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    [ https://issues.apache.org/jira/browse/JENA-97?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13124460#comment-13124460 ] 

Andy Seaborne commented on JENA-97:
-----------------------------------

Simon - yes, fixed (with bonus prize: optimization to avoid repeated calculation of the variables in what is an immutable binding).  BindingTDB.
                
> TDB 0.9.0 snapshot sometimes returns a SELECT binding twice
> -----------------------------------------------------------
>
>                 Key: JENA-97
>                 URL: https://issues.apache.org/jira/browse/JENA-97
>             Project: Jena
>          Issue Type: Bug
>          Components: TDB
>         Environment: tx-tdb-0.9.0-20111006.082548-13-dist
>            Reporter: Simon Helsen
>            Assignee: Andy Seaborne
>         Attachments: quads.txt
>
>
> Very sometimes (rare), it seems that a result set will repeat the first SELECT binding. E.g. 
> SELECT ?a ?b ...
> will bind ?a twice in the result set. It only happens quite rarely, but the same queries behave correctly in TDB 0.8.7.

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