ALTER-POLICY

Name

ALTER STORAGE POLICY

Description

该语句用于修改一个已有的冷热分层迁移策略。仅 root 或 admin 用户可以修改资源。语法：

ALTER STORAGE POLICY  'policy_name'
PROPERTIES ("key"="value", ...);

Example

修改名为 cooldown_datetime冷热分层数据迁移时间点：

ALTER STORAGE POLICY has_test_policy_to_alter PROPERTIES("cooldown_datetime" = "2023-06-08 00:00:00");

修改名为 cooldown_ttl的冷热分层数据迁移倒计时

ALTER STORAGE POLICY has_test_policy_to_alter PROPERTIES ("cooldown_ttl" = "10000");
ALTER STORAGE POLICY has_test_policy_to_alter PROPERTIES ("cooldown_ttl" = "1h");
ALTER STORAGE POLICY has_test_policy_to_alter PROPERTIES ("cooldown_ttl" = "3d");

Keywords

ALTER, STORAGE, POLICY

Best Practice

ALTER-DATABASE ALTER-RESOURCE