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https://issues.apache.org/jira/browse/RYA-147?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kevin Chilton reassigned RYA-147:
---------------------------------
Assignee: (was: Kevin Chilton)
> Fluo PCJ Updater - Delete Statement Support
> -------------------------------------------
>
> Key: RYA-147
> URL: https://issues.apache.org/jira/browse/RYA-147
> Project: Rya
> Issue Type: New Feature
> Affects Versions: 3.2.10
> Reporter: Kevin Chilton
>
> The Fluo PCJ Updater application currently only allows you to add new
> statements to generated PCJs. We would also like to be able to delete
> statements from the end results.
> Here is a simple example to illustrate the point. Suppose you are computing
> the following SPARQL query as a PCJ:
> {code}
> SELECT *
> WHERE {
> ?person <http://worksAt> <http://CoffeeShop> .
> }
> {code}
> And you insert the following Statements:
> {code}
> {
> [<http://Alice>, <http://worksAt>, <http://CoffeeShop>],
> [<http://Bob>, <http://worksAt>, <http://CoffeeShop>],
> [<http://Charlie>, <http://worksAt>, <http://CoffeeShop>]
> }
> {code}
> The PCJ will result in the following binding sets:
> {code}
> {
> [<http://Alice>],
> [<http://Bob>],
> [<http://Charlie>]
> }
> {code}
> We should also be able to delete the following statement:
> {code}
> [<http://Bob>, <http://worksAt>, <http://CoffeeShop>]
> {code}
> And the PCJ should be updated to contain the following results:
> {code}
> {
> [<http://Alice>],
> [<http://Charlie>]
> }
> {code}
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