- Categories:
System functions (System Control)
SYSTEM$PIPE_ REBINDING_ WITH_ NOTIFICATION_ CHANNEL¶
如果在复制期间复制的管道未成功绑定到通知通道,则重试通知通道绑定过程。绑定不成功可能有以下原因之一:
- 在复制过程中,未在辅助部署中正确设置云消息传递。例如,未手动创建同名的通知集成,或 SNS 策略未设置为允许订阅等。
- 当 Snowpipe 尝试将管道绑定到通知通道时,会出现云提供商错误。
- 管道及其源暂存区处于不同的复制组中,复制管道时不会复制暂存区。
您也可以通过刷新复制组或数据库来重试通知绑定。但是,如果主账户宕机,或者故障转移已经完成,则唯一的选择就是调用该系统函数。
For more information, see Snowpipe and Stage, pipe, and load history replication.
语法
实参
'pipe_name'需要通过重新绑定通知流程的管道名称。
访问控制要求
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Only the pipe owner (that is, the role with the OWNERSHIP privilege on the pipe) or a role with the OPERATE privilege on the pipe can call this SQL function.
Operating on an object in a schema requires at least one privilege on the parent database and at least one privilege on the parent schema.
使用说明
pipe_nameis a string so it must be enclosed in single quotes:- Note that the entire name must be enclosed in single quotes, including the database and schema (if the name is fully qualified), that is,
'db.schema.pipe_name'. - If the pipe name is case-sensitive or includes any special characters or spaces, double quotes are required to process the case/characters. The double quotes must be enclosed within the single quotes, that is,
'"pipe_name"'.
- Note that the entire name must be enclosed in single quotes, including the database and schema (if the name is fully qualified), that is,
示例
Retries the notification channel binding process for mypipe: