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https://issues.apache.org/jira/browse/GORA-12?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris A. Mattmann updated GORA-12:
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Fix Version/s: (was: 0.3-incubating)
0.2-incubating
- schedule
> Semantics of DataStore.delete*
> ------------------------------
>
> Key: GORA-12
> URL: https://issues.apache.org/jira/browse/GORA-12
> Project: Gora
> Issue Type: Bug
> Components: storage
> Reporter: Andrzej Bialecki
> Assignee: Chris A. Mattmann
> Fix For: 0.2-incubating
>
> Attachments: GORA-12.patch
>
>
> Behavior of delete* calls in DataStore is insufficiently defined. Some unit
> tests in DataStoreUtil seem to indicate that after a successful call to
> delete the subsequent queries should not return deleted items. Other tests
> indicate that an additional DataStore.flush() call is needed.
> If we could rely on the latter assumption this would allow for some important
> optimizations in the implementations of DataStore - bulk updates that are
> visible only after an update transaction is finished are usually much less
> expensive to perform than equivalent multiple item by item transactions.
> Therefore I propose to strengthen the meaning of delete* calls, so that their
> effects are guaranteed to be visible to get/execute ONLY after a subsequent
> flush() call.
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