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https://issues.apache.org/jira/browse/SENTRY-2047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vadim Spector updated SENTRY-2047:
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Resolution: Fixed
Status: Resolved (was: Patch Available)
> isTableEmptyCore method in SentryStore has references to MAuthzPathsMapping
> when it should be generic
> -----------------------------------------------------------------------------------------------------
>
> Key: SENTRY-2047
> URL: https://issues.apache.org/jira/browse/SENTRY-2047
> Project: Sentry
> Issue Type: Bug
> Components: Sentry
> Affects Versions: 2.0.0
> Reporter: Arjun Mishra
> Assignee: Arjun Mishra
> Labels: newbie
> Attachments: SENTRY-2047.01.patch, SENTRY-2047.02.patch
>
>
> Current isTableEmpty implementation is below
> {noformat}
> private boolean isTableEmptyCore(PersistenceManager pm, Class clazz) {
> Query query = pm.newQuery(clazz);
> query.addExtension(LOAD_RESULTS_AT_COMMIT, "false");
> // setRange is implemented efficiently for MySQL, Postgresql (using the
> LIMIT SQL keyword)
> // and Oracle (using the ROWNUM keyword), with the query only finding the
> objects required
> // by the user directly in the datastore. For other RDBMS the query will
> retrieve all
> // objects up to the "to" record, and will not pass any unnecessary
> objects that are before
> // the "from" record.
> query.setRange(0, 1);
> return ((List<MAuthzPathsMapping>) query.execute()).isEmpty();
> }
> {noformat}
> We seem to be casting query.execute to a List<MAuthzPathsMapping> when there
> is no need for it
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