Sergey Shelukhin created HIVE-9074:
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Summary: add ability to force direct sql usage for perf reasons
Key: HIVE-9074
URL: https://issues.apache.org/jira/browse/HIVE-9074
Project: Hive
Issue Type: Bug
Reporter: Sergey Shelukhin
Some people run direct SQL and hit failures (e.g. due to Oracle
1000-in-expressions stupidity, illegal cast "optimization" in Derby and Oracle,
or some other Hive and DB bugs). Currently, it falls back to ORM for such
cases, however that can have huge impact on perf, and some people would rather
have it fail so they can see the problem.
In addition to "off" and "on+fallback" modes, "on or fail" mode needs to be
added. The default will remain the same.
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