ListNamespaces - AnalyticDB - Alibaba Cloud Documentation Center

Queries a list of namespaces.

Debugging

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Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
gpdb:ListNamespaces	create	Namespace acs:gpdb:{#regionId}:{#accountId}:namespace/{#DBInstanceId}	none	none

Request parameters

Parameter	Type	Required	Description	Example
DBInstanceId	string	No	The instance ID. Note You can call the DescribeDBInstances operation to query the information about all AnalyticDB for PostgreSQL instances within a region, including instance IDs.	gp-xxxxxxxxx
ManagerAccount	string	Yes	The name of the manager account that has the rds_superuser permission. Note You can create an account on the Account Management page of the AnalyticDB for PostgreSQL console or by calling the CreateAccount operation.	testaccount
ManagerAccountPassword	string	Yes	The password of the manager account.	testpassword
RegionId	string	Yes	The region ID of the instance.	cn-hangzhou
WorkspaceId	string	No	The ID of the workspace that consists of multiple AnalyticDB for PostgreSQL instances. You must specify one of the WorkspaceId and DBInstanceId parameters. If you specify both parameters, the WorkspaceId parameter takes effect.	gp-ws-*****

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The request ID.	ABB39CC3-4488-4857-905D-2E4A051D0521
Count	integer	The total number of entries returned.	1
Namespaces	array	The queried namespaces.
Namespace	string	The name of the namespace.	["mynamespace"]
RegionId	string	The region ID of the instance.	cn-hangzhou
DBInstanceId	string	The instance ID.	gp-xxxxxxxxx
Message	string	The returned message.	Successful
Status	string	Indicates whether the request was successful. Valid values: success fail	success

Examples

Sample success responses

JSONformat

{
  "RequestId": "ABB39CC3-4488-4857-905D-2E4A051D0521",
  "Count": 1,
  "Namespaces": {
    "Namespace": [
      "[\"mynamespace\"]"
    ]
  },
  "RegionId": "cn-hangzhou",
  "DBInstanceId": "gp-xxxxxxxxx",
  "Message": "Successful",
  "Status": "success"
}

Error codes

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation
2024-08-04	The request parameters of the API has changed	View Change Details
2023-11-07	The internal configuration of the API is changed, but the call is not affected	View Change Details
2023-08-01	The internal configuration of the API is changed, but the call is not affected	View Change Details