Chris Drome created HIVE-3457:
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Summary: 0.23 compatibility: queries which rely on metadata fail
Key: HIVE-3457
URL: https://issues.apache.org/jira/browse/HIVE-3457
Project: Hive
Issue Type: Bug
Components: Tests
Affects Versions: 0.9.0, 0.10.0
Reporter: Chris Drome
Assignee: Chris Drome
groupby_neg_float.q and metadataonly1.q tests for TestCliDriver in ql fail when
built against hadoop23.
The above two tests use an empty file/directory/partition to get a mapper to
run against meta data (a scan of the table is not performed).
In hadoop20 this work around worked, but as of hadoop22 splits are generated
differently and not created for empty files.
This results in 0 mappers being created which causes the query to fail.
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