[jira] [Created] (IMPALA-10698) Remove branching based on MetastoreShim.getMajorVersion()

["Zoltán Borók-Nagy (Jira)" <ji...@apache.org>]

Zoltán Borók-Nagy created IMPALA-10698:
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             Summary: Remove branching based on MetastoreShim.getMajorVersion()
                 Key: IMPALA-10698
                 URL: https://issues.apache.org/jira/browse/IMPALA-10698
             Project: IMPALA
          Issue Type: Improvement
          Components: Frontend
            Reporter: Zoltán Borók-Nagy


IMPALA-9731 dropped support for Hive 2 and removed most code associated with it.
However we still have if statements that check MetastoreShim.getMajorVersion().

One can check it with:
{noformat}
git grep getMajorVersion
{noformat}

It would be nice to get rid of these because the MetastoreShim.getMajorVersion() == 2 branches are dead code now.

Moreover, in the test code there are still some places that check for HIVE_MAJOR_VERSION == 2, e.g.:
https://github.com/apache/impala/blob/c10e7c969dfcc4847a8f7708940f4aa1852dbee4/tests/metadata/test_hms_integration.py#L215

These can be also removed.



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