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From "Jesus Camacho Rodriguez (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-21385) Allow disabling pushdown of non-splittable computation to JDBC sources
Date Thu, 14 Mar 2019 17:45:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-21385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jesus Camacho Rodriguez updated HIVE-21385:
-------------------------------------------
    Attachment: HIVE-21385.02.patch

> 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-21385.01.patch, HIVE-21385.01.patch, HIVE-21385.02.patch, 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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