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Posted to dev@hive.apache.org by "Harish Butani (JIRA)" <ji...@apache.org> on 2013/02/20 03:59:12 UTC

[jira] [Created] (HIVE-4041) Support multiple partitionings in a single Query

Harish Butani created HIVE-4041:
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             Summary: Support multiple partitionings in a single Query
                 Key: HIVE-4041
                 URL: https://issues.apache.org/jira/browse/HIVE-4041
             Project: Hive
          Issue Type: Bug
          Components: PTF-Windowing
            Reporter: Harish Butani
            Assignee: Harish Butani


Currently we disallow queries if the partition specifications of all Wdw fns are not the same. We can relax this by generating multiple PTFOps based on the unique partitionings in a Query. For partitionings that only differ in sort, we can introduce a sort step in between PTFOps, which can happen in the same Reduce task.

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