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Posted to issues@carbondata.apache.org by "Ravindra Pesala (JIRA)" <ji...@apache.org> on 2017/12/05 16:53:01 UTC
[jira] [Created] (CARBONDATA-1860) Support insertoverwrite for a
specific partition.
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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