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https://issues.apache.org/jira/browse/HIVE-7286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14057911#comment-14057911
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David Chen commented on HIVE-7286:
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Currently, the patch will only test against the entires in the table that
specify a TestStorageFormat class since there is currently no way to infer the
mapping of SerDe to InputFormat/OutputFormat. Once HIVE-5976 is in, then the
TestStorageFormat classes will be removed and the StorageFormatDescriptor
classes will be used. However, this will require additional code changes to
properly handle storage formats with configurable SerDes, such as RCFile. The
test code for Avro is in this patch, but the tests (along with the tests for
Parquet) will currently fail due to HIVE-4329.
To clarify, once HIVE-5976 is in and the corresponding changes to this fixture
are made, then SerDe devs would only need to add an entry to the table if they
_do not_ want their SerDe tested against HCatalog.
> Parameterize HCatMapReduceTest for testing against all Hive storage formats
> ---------------------------------------------------------------------------
>
> Key: HIVE-7286
> URL: https://issues.apache.org/jira/browse/HIVE-7286
> Project: Hive
> Issue Type: Test
> Components: HCatalog
> Reporter: David Chen
> Assignee: David Chen
> Attachments: HIVE-7286.1.patch
>
>
> Currently, HCatMapReduceTest, which is extended by the following test suites:
> * TestHCatDynamicPartitioned
> * TestHCatNonPartitioned
> * TestHCatPartitioned
> * TestHCatExternalDynamicPartitioned
> * TestHCatExternalNonPartitioned
> * TestHCatExternalPartitioned
> * TestHCatMutableDynamicPartitioned
> * TestHCatMutableNonPartitioned
> * TestHCatMutablePartitioned
> These tests run against RCFile. Currently, only TestHCatDynamicPartitioned is
> run against any other storage format (ORC).
> Ideally, HCatalog should be tested against all storage formats supported by
> Hive. The easiest way to accomplish this is to turn HCatMapReduceTest into a
> parameterized test fixture that enumerates all Hive storage formats. Until
> HIVE-5976 is implemented, we would need to manually create the mapping of
> SerDe to InputFormat and OutputFormat. This way, we can explicitly keep track
> of which storage formats currently work with HCatalog or which ones are
> untested or have test failures. The test fixture should also use Reflection
> to find all classes in the classpath that implements the SerDe interface and
> raise a failure if any of them are not enumerated.
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