Geoffrey Jacoby created PHOENIX-6850:
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Summary: AlterTableWithViewsIT CreateView Props Test Flaps
Key: PHOENIX-6850
URL: https://issues.apache.org/jira/browse/PHOENIX-6850
Project: Phoenix
Issue Type: Bug
Affects Versions: 5.2.0, 5.1.3
Reporter: Geoffrey Jacoby
When running IT tests on the 5.1.3 RC1, and on the master (5.2) HEAD, I get
flappy behavior on
AlterTestsWithViewsIT.testCreateViewWithPropsMaintainsOwnProps. When a
particular param set is run standalone, it seems to consistently pass. However,
when run in concert with different param iterations, it sometimes generates an
NPE on
{code:java}
assertFalse(viewTable1.useStatsForParallelization());
{code}
This is because viewTable1 had previously been unset for
useStatsForParallelization, so it returns null if it doesn't pick up the change
to the base table properly.
This seems to be a caching problem -- populating viewTable1 and viewTable2 from
a call to PhoenixRuntime.getTableNoCache seems to fix it.
However, since the test updates the base table from a global connection, and
then tries to access views on that table from a separate tenant connection,
it's not obvious to me that the cache for the tenant connection _should_ be
expired in this situation, so I'm not sure the caching behavior counts as a bug
itself.
Interestingly though, 5.1.2 doesn't seem to have this issue.
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