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From "Rahul Challapalli (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DRILL-4750) Document supported/unsupported hive functions
Date Wed, 22 Jun 2016 20:46:16 GMT
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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