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From "Minto van der Sluis (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CLEREZZA-782) Add meta data (getResultVars) to Sparql ResultSet
Date Fri, 24 May 2013 08:22:20 GMT

     [ https://issues.apache.org/jira/browse/CLEREZZA-782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Minto van der Sluis resolved CLEREZZA-782.
------------------------------------------

    Resolution: Fixed

Resolved in following revisions:
revision 1485960: http://svn.apache.org/viewvc?view=revision&revision=1485960
                
> Add meta data (getResultVars) to Sparql ResultSet
> -------------------------------------------------
>
>                 Key: CLEREZZA-782
>                 URL: https://issues.apache.org/jira/browse/CLEREZZA-782
>             Project: Clerezza
>          Issue Type: Bug
>          Components: rdf.core
>            Reporter: Minto van der Sluis
>            Assignee: Minto van der Sluis
>
> The class ResultSet only allows indirect access to the variables in the query results.
There are a number of drawbacks to the current solution:
> 1) the iterator needs to be accessed to get the varNames from SolutionMapping.getKeySet()
> 2) I suspect that optional variable present in the Query but not in the resultset data
will not appear in SolutionMapping.getKeySet()
> 3) If the RestultSet is empty there is no way to determine the variables;
> Both Jena and Sesame support retrieving the varNames from their respective ResultSet.
> See also the mailing list conversation at: http://mail-archives.apache.org/mod_mbox/clerezza-dev/201303.mbox/%3CCALvhUEUzSAoQpNXVmpTcVvR=DxZrFiDJexPgwB=JEhc7pJf7sA@mail.gmail.com%3E

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