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Posted to dev@jena.apache.org by "Andy Seaborne (JIRA)" <ji...@apache.org> on 2018/03/14 15:14:38 UTC

[jira] [Resolved] (JENA-1507) GROUP BY and aggregates when there are no matching of the WHERE pattern.

     [ https://issues.apache.org/jira/browse/JENA-1507?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne resolved JENA-1507.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 3.7.0

> GROUP BY and aggregates when there are no matching of the WHERE pattern.
> ------------------------------------------------------------------------
>
>                 Key: JENA-1507
>                 URL: https://issues.apache.org/jira/browse/JENA-1507
>             Project: Apache Jena
>          Issue Type: Bug
>          Components: ARQ
>    Affects Versions: Jena 3.6.0
>            Reporter: Andy Seaborne
>            Assignee: Andy Seaborne
>            Priority: Major
>             Fix For: 3.7.0
>
>
> There are two bugs in ARQs handling of grouping when there are no results in the WHERE clause.
> When there is a GROUP BY, the outcome should be no rows. 
>  * JENA-1487
>  * [users list discussion|https://lists.apache.org/thread.html/72c2045e639c589880619443beafec5be963733e0f9f0887e134d467@%3Cusers.jena.apache.org%3E]
> When there is no GROUP BY, no aggregates, and no pattern match, the result should be one row of no columns; when there is no GROUP BY, the result is always one row.  It returns zero rows (v3.6.0 and before).



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