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https://issues.apache.org/jira/browse/HIVE-22453?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Toshihiko Uchida updated HIVE-22453:
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Attachment: HIVE-22453.patch
Assignee: Toshihiko Uchida
Status: Patch Available (was: Open)
> Describe table unnecessarily fetches partitions
> -----------------------------------------------
>
> Key: HIVE-22453
> URL: https://issues.apache.org/jira/browse/HIVE-22453
> Project: Hive
> Issue Type: Bug
> Affects Versions: 2.3.6, 3.1.2
> Reporter: Toshihiko Uchida
> Assignee: Toshihiko Uchida
> Priority: Minor
> Attachments: HIVE-22453.patch
>
>
> The simple describe table command without EXTENDED and FORMATTED (i.e.,
> DESCRIBE table_name) fetches all partitions when no partition is specified,
> although it does not display partition statistics in nature.
> The command should not fetch partitions since it can take a long time for a
> large amount of partitions.
> For instance, in our environment, the command takes around 8 seconds for a
> table with 8760 (24 * 365) partitions.
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