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https://issues.apache.org/jira/browse/HIVE-21385?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16783939#comment-16783939
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Jesus Camacho Rodriguez commented on HIVE-21385:
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[~daijy], could you take a look? Thanks
> Allow disabling pushdown of non-splittable computation to JDBC sources
> ----------------------------------------------------------------------
>
> Key: HIVE-21385
> URL: https://issues.apache.org/jira/browse/HIVE-21385
> Project: Hive
> Issue Type: Improvement
> Components: CBO, StorageHandler
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Attachments: HIVE-21385.patch
>
>
> Until pushdown is cost-based decision, we will be able to enable / disable
> pushdown of operators that prevent reading results from the JDBC connection
> in parallel.
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