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Posted to dev@jena.apache.org by "Andy Seaborne (Jira)" <ji...@apache.org> on 2019/09/03 11:43:00 UTC

[jira] [Reopened] (JENA-1752) QueryBuilders should support (NOT) EXISTS clause

     [ https://issues.apache.org/jira/browse/JENA-1752?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Seaborne reopened JENA-1752:
---------------------------------

(for editing)

> QueryBuilders should support (NOT) EXISTS clause
> ------------------------------------------------
>
>                 Key: JENA-1752
>                 URL: https://issues.apache.org/jira/browse/JENA-1752
>             Project: Apache Jena
>          Issue Type: Improvement
>            Reporter: Jan Martin Keil
>            Priority: Major
>
> To support (NOT) EXISTS clauses, I propose to add to the classes
>  * {{org.apache.jena.arq.querybuilder.AskBuilder}}
>  * {{org.apache.jena.arq.querybuilder.ConstructBuilder}}
>  * {{org.apache.jena.arq.querybuilder.SelectBuilder}}
> the following methods
>  * {{addExists(Element el)}}
>  * {{addNotExists(Element el)}}



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