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SHOW-PARTITIONS

SHOW-PARTITIONS

Name

SHOW PARTITIONS

Description

This statement is used to display partition information for tables in Internal catalog or Hive Catalog

grammar:

  SHOW [TEMPORARY] PARTITIONS FROM [db_name.]table_name [WHERE] [ORDER BY] [LIMIT];

illustrate:

When used in Internal catalog:

  1. Support the filtering of PartitionId, PartitionName, State, Buckets, ReplicationNum, LastConsistencyCheckTime and other columns
  2. TEMPORARY specifies to list temporary partitions

when used in Hive Catalog: Will return all partitions' name. Support multilevel partition table

Example

  1. Display all non-temporary partition information of the specified table under the specified db
  SHOW PARTITIONS FROM example_db.table_name;
  1. Display all temporary partition information of the specified table under the specified db

    SHOW TEMPORARY PARTITIONS FROM example_db.table_name;
  2. Display the information of the specified non-temporary partition of the specified table under the specified db

     SHOW PARTITIONS FROM example_db.table_name WHERE PartitionName = "p1";
  3. Display the latest non-temporary partition information of the specified table under the specified db

    SHOW PARTITIONS FROM example_db.table_name ORDER BY PartitionId DESC LIMIT 1;

Keywords

SHOW, PARTITIONS

Best Practice