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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2019/03/05 00:47:00 UTC
[jira] [Work started] (HIVE-21385) Allow disabling pushdown of
non-splittable computation to JDBC sources
[ https://issues.apache.org/jira/browse/HIVE-21385?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on HIVE-21385 started by Jesus Camacho Rodriguez.
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> 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
>
> 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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