[jira] [Created] (CARBONDATA-1860) Support insertoverwrite for a specific partition.

[Akash R Nilugal (Jira)]

Ravindra Pesala created CARBONDATA-1860:
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             Summary: Support insertoverwrite for a specific partition.
                 Key: CARBONDATA-1860
                 URL: https://issues.apache.org/jira/browse/CARBONDATA-1860
             Project: CarbonData
          Issue Type: Sub-task
            Reporter: Ravindra Pesala


User should able to overwrite partition for a specific partition. Like

{code}
INSERT OVERWRITE TABLE partitioned_user
      PARTITION (country = 'US')
      SELECT * FROM another_user au
      WHERE au.country = 'US';
{code}

In the above example, the user can overwrite only the partition(country = 'US') data. So remaining partitions data would be intact.  

While overwriting a specific partition carbon should first load data to the new segment and drop that partition from all remaining segments using partition.map file.



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