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ApsaraDB RDS:DescribePostgresExtensions

Last Updated:Dec 05, 2024

Queries extensions that are installed on a database.

Operation description

Supported database engines

RDS PostgreSQL

References

Note : Before you call this operation, carefully read the following documentation. Make sure that you fully understand the prerequisites and impacts for calling this operation.

Manage extensions

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

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.
OperationAccess levelResource typeCondition keyAssociated operation
rds:DescribePostgresExtensionsget
*DBInstance
acs:rds:{#regionId}:{#accountId}:dbinstance/{#DbInstanceId}
    none
none

Request parameters

ParameterTypeRequiredDescriptionExample
ClientTokenstringNo

The client token that is used to ensure the idempotence of the request. You can use the client to generate the token, but you must make sure that the token is unique among different requests. The token can contain only ASCII characters and cannot exceed 64 characters in length.

ETnLKlblzczshOTUbOCz****
DBInstanceIdstringYes

The instance ID. You can call the DescribeDBInstances operation to query the instance ID.

pgm-bp156o9ti493****
DBNamestringYes

The database name. You can call the DescribeDatabases operation to query the database name.

test_db
ResourceGroupIdstringNo

The ID of the resource group.

rg-acfmy****

Response parameters

ParameterTypeDescriptionExample
object

The response parameters.

RequestIdstring

The request ID.

7E4448A6-9FE6-4474-A0C1-AA7CFC772CAC
UninstalledExtensionsarray<object>

The list of extensions that are not installed on the specified database.

Extensionobject

The extension that is not installed on the specified database.

Namestring

The name of the extension.

pg_cron
DefaultVersionstring

The default version of the extension.

4.1
InstalledVersionstring

The current version of the extension.

4.1
Commentstring

The purpose of the extension.

PostgreSQL load profile repository and report builder
Ownerstring

The user of the extension.

test_user
Prioritystring

The priority of the extension.

0
Requiresstring

The extensions on which the current extension depends when it is installed.

{dblink,plpgsql}
Categorystring

The category of the extension.

information_stat
Uidstring

The ID of the Alibaba Cloud account.

Note This parameter is returned only for self-developed exclusive extensions. You can view exclusive extensions only within your Alibaba Cloud account.
181578148294****
InstalledExtensionsarray<object>

The list of extensions that are installed on the specified database.

Extensionobject

The extension that is installed on the specified database.

Namestring

The name of the extension.

pg_profile
DefaultVersionstring

The default version of the extension.

4.1
InstalledVersionstring

The current version of the extension.

4.1
Commentstring

The purpose of the extension.

PostgreSQL load profile repository and report builder
Ownerstring

The user of the extension.

test_user
Prioritystring

The priority of the extension.

  • 0: The extension is displayed by default.
  • 1: The extension is preferentially displayed.
0
Requiresstring

The extensions on which the current extension depends when it is installed.

{dblink,plpgsql}
Categorystring

The category of the extension.

  • external_access
  • index_support
  • information_stat
  • geography_space
  • vector_engine
  • timing_engine
  • data_type
  • encrypt_secure
  • text_process
  • operation_maintenance
  • self_develop
information_stat
Uidstring

The ID of the Alibaba Cloud account.

Note This parameter is returned only for self-developed exclusive extensions. You can view exclusive extensions only within your Alibaba Cloud account.
181578148294****
Overviewobject

The overview of the extension.

None

Examples

Sample success responses

JSONformat

{
  "RequestId": "7E4448A6-9FE6-4474-A0C1-AA7CFC772CAC",
  "UninstalledExtensions": [
    {
      "Name": "pg_cron",
      "DefaultVersion": "4.1",
      "InstalledVersion": "4.1",
      "Comment": "PostgreSQL load profile repository and report builder",
      "Owner": "test_user",
      "Priority": "0",
      "Requires": "{dblink,plpgsql}",
      "Category": "information_stat",
      "Uid": "181578148294****"
    }
  ],
  "InstalledExtensions": [
    {
      "Name": "pg_profile",
      "DefaultVersion": "4.1",
      "InstalledVersion": "4.1",
      "Comment": "PostgreSQL load profile repository and report builder",
      "Owner": "test_user",
      "Priority": "0",
      "Requires": "{dblink,plpgsql}",
      "Category": "information_stat",
      "Uid": "181578148294****"
    }
  ],
  "Overview": {
    "test": "test",
    "test2": 1
  }
}

Error codes

HTTP status codeError codeError messageDescription
400InvalidDBInstanceName.NotFoundThe specified DB instance name does not exist.The instance name does not exist.
400InvalidDBName.FormatSpecified DB name is not valid.The database name is invalid. Specify a valid name. The name can be up to 16 characters in length and can contain lowercase letters, digits, and underscores (_). The name must start with a lowercase letter and end with a lowercase letter or a digit.
400Database.QueryErrorQuery Db failed, please check input value and instance status.Failed to query the database. Check the specified parameters and the instance state.
400Order.ComboInstanceNotAllowOperateA package instance is not allowed to operate independently.A package instance is not allowed to operate independently.
400Price.PricingPlanResultNotFoundPricing plan price result not found.Pricing plan price result not found.
400Order.NoRealNameAuthenticationYou have not passed the real-name authentication and do not meet the purchase conditions. Please log in to the user center for real-name authentication.You have not passed the real-name authentication and do not meet the purchase conditions. Please log in to the cost and cost for real-name authentication.
400InsufficientAvailableQuotaYour account quota limit is less than 0, please recharge before trying to purchase.Your account available limit is less than 0, please recharge before trying to purchase.
400CommodityServiceCalling.ExceptionFailed to call commodity service.Failed to call commodity service return.
400RegionDissolvedEOMDear customer, Alibaba Cloud plans to optimize and adjust the current region. Cloud services in this region will cease operations. You are currently unable to operate new purchase orders. Thank you for your understanding and support.Hello, Alibaba Cloud plans to optimize and adjust the current region. Cloud services in this region will stop operating. In order to ensure your business continuity and smooth transition of data migration, you are currently unable to operate new purchase orders. Thank you for your understanding and support.
400Commodity.InvalidComponentThe module you purchased is not legal, please buy it again.The module you purchased is not legal, please buy it again.
400RegionEndTimeDissolvedAustraliaCloud services in the Australia (Sydney) region will be discontinued. Set the validity date to September 30, 2024 or earlier than September 30, 2024.Hello customer, this area has been abolished.
400Price.CommoditySysCommodity system call exception.Commodity system call exception.
400Pay.InsufficientBalanceInsufficient available balance.Insufficient available balance.
400Order.PeriodInvalidThere is a problem with the period you selected, please choose again.There is a problem with the period you selected, please choose again.
400pay.noCreditCardAccount not bound to credit card.-
400Order.InstHasUnpaidOrderThere is an unpaid order for the service you have purchased. Please pay or void it before placing the order.There is an unpaid order for the service you have purchased. Please pay or void it before placing the order.
400noAvailablePaymentMethodNo payment method is specified for your account. We recommend that you add a payment method.-
400BasicInfoUncompletedYour information is incomplete. Complete your information before the operation.Your basic information is not complete, please complete your basic information before operation.
400Risk.RiskControlRejectionYour account is abnormal, please contact customer service for details.Your account is abnormal, please contact customer service for details.
400BasicInfoUncompletedYour information is incomplete, Complete your information before the operation.-
400Api.NotSupportSpecified api is not supported.The current interface does not support.
400ContainForbiddenLabelErrorThere is a label that prohibits placing orders. Please contact your distributor for assistance.You cannot place the order because a tag indicates that order placement is prohibited. Contact your distributor.
400InvalidDBInstanceId.NotFoundThe DBInstanceId provided does not exist in records.The DBInstanceId provided does not exist.
400InvalidInstanceLevel.DiskTypeSpecified instance level not support request disk typeThe current instance type does not support the specified storage type.
400InvalidParamSepcified wal level Parameter is invalid. There are still logical slots in instance, so it can not be set as replica.The specified wal_level parameter is invalid. There is still a copy slot in the instance, so it cannot be set to replica.
400KmsApiErrorUser secret key invalid.The user key is invalid.
400System.SaleValidateFailedSales expression validation system error.A system error occurs when the sales expression is verified.
400Abs.InvalidAccount.NotFoundaccount is not found.The account does not exist.
400SqlExecuteFailedOrTimeoutsql command execution failed or timed out:%s.SQL command execution failed or timed out
400ColdData.EngineVersionNotSupportThe current instance engine version not support coldDataEnabled.The current instance engine version not support coldDataEnabled.
400ColdData.MinorVersionNotSupportThe current instance minor version not support coldDataEnabled.The current instance minor version not support coldDataEnabled.
400IncorrectTargetClasscodeThe current instance type does not support this operation.This operation is not supported by the instance type.
400InvalidConnectionString.DuplicateSpecified connection string already exists in the RDS.The link address name is duplicate. Please reset the connection string.
400RequiredParam.NotFoundRequired input param is not found.-
400Parameters.InvalidParameter error, please check the parameters.Parameter error, please check the parameters.
400BackupPolicyNotSupportCold Data won't open with CrossBackup or Flash Backup, please check Backup Policy.Cold Data won't open with CrossBackup or Flash Backup, please check Backup Policy.
400InvalideStatus.FormatThe instance status does not support this operation.-
400InvalidReleasedKeepPolicy.FormatSpecified Released Keep Policy is not valid.Specified Released Keep Policy is not valid.
400InvalidDBInstanceEngineType.Formatthe DB instance engine type does not support this operation.This operation is not supported for the database engine of the instance.
400Pay.NoCreditCardNo credit cards.No credit cards.
400VpcNetworkTypeNotSupportThe vpc network type instance does not support this operation.The vpc network type instance does not support this operation.
400MirrorInsExistsSpecified DB instance mirror ins already existed.Specified DB instance mirror ins already existed.
400UnsupportedClassCodeThe specified DB instance class stops selling.The specified DB instance class stops selling.
400InvalidBackupSetThe specified database does not exist in the backup set.The specified database does not exist in the backup set.
400OrdTCommodityQueryErrorFailed to query for product.Failed to query product.
400ProductInstanceReleasedThe instance has been released. Please check before placing the order.The instance has been released, please verify and place an order.
400RegionEndTimeDissolvedIndiaThe region is no longer supported.The region is no longer supported.
403OrderStatus.UnPaidThe specified db instance has unpaid order.The instance has an unpaid order. Please pay first and try again.
403InvalidReduceDiskSizeThe storage capacity after the scale-down must be larger than the used amount.The scale-in target capacity cannot be less than the current storage space usage
403CloudSSDNotSupportCloud ssd does not support this operation, please upgrade to essd.-
403InvalidUserOperatorPermissionThe user permission does not support this operation.The user is not authorized to perform this operation.
403InvalidVswitchIdSpecified conn vswitch id is not valid.-
403IncorrectMinorVersionCurrent engine minor version does not support operations.This operation is not supported for the current minor engine version.
403OperationDenied.ZoneResourceThere is no available zone for inventory.There is no available zone for inventory.
403NotInFlowControllerSorry,no permission.Sorry,no permission.
403InvalidKmsKeyKms key is disabled.-
403InvalidInstanceLevel.MalformedCurrent DB instance level does not support this operation.The specified database instance type does not support this operation.
404InvalidDBInstance.NotFoundSpecified instance does not exist or not support.The RDS instance cannot be found, is deleted, or does not support the operation.
404InvalidClusterKmsThe current instance does not authorized to access the Key Management Service.The instance does not have permissions to access Key Management Service (KMS).
404Request.NotFoundThe requested resource is not available.The requested resources are unavailable.
404HostInfo.NotFoundThe specified host info is not found.-
500ExternalFailureThe request processing has failed due to external service failure.The request processing has failed due to external service failure.
500RequestMetaDataFailedThe service request failed. Please try again later or contact service personnel.The service request failed. Please try again later or contact service personnel.
500InvokeProxyFailureThe request processing has failed due to service failure of rds api.The request failed to be processed due to an RDS API failure.

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

Change history

Change timeSummary of changesOperation
2024-09-03The Error code has changed. The response structure of the API has changedView Change Details