Rahul Challapalli created DRILL-4750:
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Summary: Document supported/unsupported hive functions
Key: DRILL-4750
URL: https://issues.apache.org/jira/browse/DRILL-4750
Project: Apache Drill
Issue Type: Bug
Components: Documentation
Reporter: Rahul Challapalli
>From our documentation it is not clear that Drill supports using hive
>functions natively. We should document all the supported hive functions. Few
>things to consider :
1. Drill does not support any hive functions which return unsupported data
types (List, Map etc)
2. DATE and TIMESTAMP representations are incompatible between hive and
drill. Some hive functions involving date and timestamp will work on data in a
hive table, but will not work on non-hive data. Similarly some drill functions
involving date and timestamp functions will work on non-hive data but will not
work on hive data (could throw an error or report wrong data)
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