SHOW-PARTITIONS

Name

SHOW PARTITIONS

Description

该语句用于展示分区信息

语法：

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

说明:

  1. 支持PartitionId,PartitionName,State,Buckets,ReplicationNum,LastConsistencyCheckTime等列的过滤
  2. TEMPORARY指定列出临时分区

Example

  1. 展示指定db下指定表的所有非临时分区信息

    1. SHOW PARTITIONS FROM example_db.table_name;

  2. 展示指定db下指定表的所有临时分区信

    1. SHOW TEMPORARY PARTITIONS FROM example_db.table_name;

  3. 展示指定db下指定表的指定非临时分区的信息

    1.  SHOW PARTITIONS FROM example_db.table_name WHERE PartitionName = "p1";

  4. 展示指定db下指定表的最新非临时分区的信息

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

Keywords

  1. SHOW, PARTITIONS

Best Practice