SelectDB Cloud
SQL 手册
SQL 语句
Show
SHOW-STORAGE-POLICY-USING

SHOW-STORAGE-POLICY-USING

Name

SHOW STORAGE POLICY USING

Description

查看所有/指定存储策略关联的表和分区

语法:

SHOW STORAGE POLICY USING [FOR some_policy]

Example

  1. 查看所有启用了存储策略的对象

    mysql> show storage policy using;
    +-----------------------+-----------------------------------------+----------------------------------------+------------+
    | PolicyName            | Database                                | Table                                  | Partitions |
    +-----------------------+-----------------------------------------+----------------------------------------+------------+
    | test_storage_policy   | regression_test_cold_heat_separation_p2 | table_with_storage_policy_1            | ALL        |
    | test_storage_policy   | regression_test_cold_heat_separation_p2 | partition_with_multiple_storage_policy | p201701    |
    | test_storage_policy_2 | regression_test_cold_heat_separation_p2 | partition_with_multiple_storage_policy | p201702    |
    | test_storage_policy_2 | regression_test_cold_heat_separation_p2 | table_with_storage_policy_2            | ALL        |
    | test_policy           | db2                                     | db2_test_1                             | ALL        |
    +-----------------------+-----------------------------------------+----------------------------------------+------------+
  2. 查看使用存储策略test_storage_policy的对象

    mysql> show storage policy using for test_storage_policy;
    +---------------------+-----------+---------------------------------+------------+
    | PolicyName          | Database  | Table                           | Partitions |
    +---------------------+-----------+---------------------------------+------------+
    | test_storage_policy | db_1      | partition_with_storage_policy_1 | p201701    |
    | test_storage_policy | db_1      | table_with_storage_policy_1     | ALL        |
    +---------------------+-----------+---------------------------------+------------+

Keywords

SHOW, STORAGE, POLICY, USING

Best Practice

© 2023 北京飞轮数据科技有限公司 京ICP备2022004029号 | Apache、Apache Doris 以及相关开源项目名称均为 Apache 基金会商标