Toshihiko Uchida created HIVE-22453:
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Summary: 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
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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