ASF GitHub Bot commented on JENA-1499:

GitHub user ajs6f opened a pull request:


    JENA-1499: Pruning TIM indexes on tuple deletion


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    $ git pull https://github.com/ajs6f/jena JENA-1499

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with (at least) the following in the commit message:

    This closes #374
commit d78be3b006a83f4e9e3a83cd76c0c79ee549040c
Author: ajs6f <ajs6f@...>
Date:   2018-03-07T17:25:05Z

    JENA-1499: Pruning TIM indexes on tuple deletion


> The TIM dataset retains a memory of named graphs after deleting all quads.
> --------------------------------------------------------------------------
>                 Key: JENA-1499
>                 URL: https://issues.apache.org/jira/browse/JENA-1499
>             Project: Apache Jena
>          Issue Type: Bug
>    Affects Versions: Jena 3.6.0
>            Reporter: Andy Seaborne
>            Priority: Minor
> Illustration:
> {noformat}
>         DatasetGraph dsg = DatasetGraphFactory.createTxnMem();
>         Quad q = SSE.parseQuad("(:g :s :p :o)");
>         dsg.add(q);
>         dsg.delete(q);
>         Iter.print(dsg.listGraphNodes());
> {noformat}
> prints {{http://example/g}}.

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