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Posted to dev@hive.apache.org by "Vineet Garg (JIRA)" <ji...@apache.org> on 2016/11/14 02:27:58 UTC

[jira] [Created] (HIVE-15192) Use Calcite to de-correlate and plan subqueries

Vineet Garg created HIVE-15192:
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             Summary: Use Calcite to de-correlate and plan subqueries
                 Key: HIVE-15192
                 URL: https://issues.apache.org/jira/browse/HIVE-15192
             Project: Hive
          Issue Type: Task
          Components: Logical Optimizer
            Reporter: Vineet Garg
            Assignee: Vineet Garg


Currently support of subqueries is limited [Link to original spec | https://issues.apache.org/jira/secure/attachment/12614003/SubQuerySpec.pdf].

Using Calcite to plan and de-correlate subqueries will help Hive get rid of these limitations.



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