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https://issues.apache.org/jira/browse/HIVE-15192?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vineet Garg updated HIVE-15192:
-------------------------------
Attachment: HIVE-15192.7.patch
> 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
> Labels: sub-query
> Attachments: HIVE-15192.2.patch, HIVE-15192.3.patch,
> HIVE-15192.4.patch, HIVE-15192.5.patch, HIVE-15192.6.patch,
> HIVE-15192.7.patch, HIVE-15192.patch
>
>
> 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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