Postgres Instances - Update

Service:

Arc Data

API Version:

2026-01-01

Updates a postgres Instance resource

PATCH https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.AzureArcData/postgresInstances/{postgresInstanceName}?api-version=2026-01-01

URI Parameters

Name	In	Required	Type	Description
postgresInstanceName	path	True	string	Name of Postgres Instance
resourceGroupName	path	True	string	The name of the Azure resource group
subscriptionId	path	True	string	The ID of the Azure subscription
api-version	query	True	string	The API version to use for the request

Request Body

Name	Type	Description
properties	PostgresInstanceProperties	Postgres Instance properties.
tags	object	Resource tags.

Responses

Name	Type	Description
200 OK	PostgresInstance	OK
Other Status Codes	ErrorResponse	*** Error Responses: ***

Examples

Updates a postgres Instances tags.

Sample request

HTTP

PATCH https://management.azure.com/subscriptions/00000000-1111-2222-3333-444444444444/resourceGroups/testrg/providers/Microsoft.AzureArcData/postgresInstances/testpostgresInstance?api-version=2026-01-01

{
  "tags": {
    "mytag": "myval"
  }
}

Sample response

Status code:

200

{
  "properties": {
    "basicLoginInformation": {
      "username": "username"
    }
  },
  "location": "northeurope",
  "extendedLocation": {
    "type": "CustomLocation",
    "name": "/subscriptions/00000000-1111-2222-3333-444444444444/resourceGroups/testrg/providers/Microsoft.ExtendedLocation/customLocations/arclocation"
  },
  "systemData": {
    "createdBy": "user1",
    "createdByType": "User",
    "createdAt": "2020-01-01T17:18:19.1234567Z",
    "lastModifiedBy": "user2",
    "lastModifiedByType": "User",
    "lastModifiedAt": "2020-01-02T17:18:19.1234567Z"
  },
  "tags": {
    "mytag": "myval"
  },
  "sku": {
    "name": "default",
    "tier": "Hyperscale",
    "dev": true
  },
  "id": "/subscriptions/00000000-1111-2222-3333-444444444444/resourceGroups/testrg/providers/Microsoft.AzureArcData/PostgresInstance/testpostgresInstance",
  "name": "testpostgresInstance",
  "type": "Microsoft.AzureArcData/PostgresInstance"
}

Definitions

Name	Description
BasicLoginInformation	Username and password for basic login authentication.
createdByType	The type of identity that created the resource.
ErrorAdditionalInfo	The resource management error additional info.
ErrorDetail	The error detail.
ErrorResponse	Error response
ExtendedLocation	The complex type of the extended location.
ExtendedLocationTypes	The type of the extended location.
PostgresInstance	A Postgres Instance.
PostgresInstanceProperties	Postgres Instance properties.
PostgresInstanceSku	The resource model definition representing SKU for Azure Database for PostgresSQL - Azure Arc
PostgresInstanceSkuTier	This field is required to be implemented by the Resource Provider if the service has more than one tier.
PostgresInstanceUpdate	An update to a Postgres Instance.
systemData	Metadata pertaining to creation and last modification of the resource.

BasicLoginInformation

Object

Username and password for basic login authentication.

Name	Type	Description
password	string	Login password.
username	string	Login username.

createdByType

Enumeration

The type of identity that created the resource.

Value	Description
User
Application
ManagedIdentity
Key

ErrorAdditionalInfo

Object

The resource management error additional info.

Name	Type	Description
info	object	The additional info.
type	string	The additional info type.

ErrorDetail

Object

The error detail.

Name	Type	Description
additionalInfo	ErrorAdditionalInfo[]	The error additional info.
code	string	The error code.
details	ErrorDetail[]	The error details.
message	string	The error message.
target	string	The error target.

ErrorResponse

Object

Error response

Name	Type	Description
error	ErrorDetail	The error object.

ExtendedLocation

Object

The complex type of the extended location.

Name	Type	Description
name	string	The name of the extended location.
type	ExtendedLocationTypes	The type of the extended location.

ExtendedLocationTypes

Enumeration

The type of the extended location.

Value	Description
CustomLocation

PostgresInstance

Object

A Postgres Instance.

Name	Type	Description
extendedLocation	ExtendedLocation	The extendedLocation of the resource.
id	string	Fully qualified resource ID for the resource. Ex - /subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}
location	string	The geo-location where the resource lives
name	string	The name of the resource
properties	PostgresInstanceProperties	null
sku	PostgresInstanceSku	Resource sku.
systemData	systemData	Azure Resource Manager metadata containing createdBy and modifiedBy information.
tags	object	Resource tags.
type	string	The type of the resource. E.g. "Microsoft.Compute/virtualMachines" or "Microsoft.Storage/storageAccounts"

PostgresInstanceProperties

Object

Postgres Instance properties.

Name	Type	Description
admin	string	The instance admin
basicLoginInformation	BasicLoginInformation	Username and password for basic authentication.
dataControllerId	string	The data controller id
k8sRaw	object	The raw kubernetes information
lastUploadedDate	string (date-time)	Last uploaded date from Kubernetes cluster. Defaults to current date time
provisioningState	string	The provisioning state of the Azure Arc-enabled PostgreSQL instance.

PostgresInstanceSku

Object

The resource model definition representing SKU for Azure Database for PostgresSQL - Azure Arc

Name	Type	Default value	Description
capacity	integer (int32)		If the SKU supports scale out/in then the capacity integer should be included. If scale out/in is not possible for the resource this may be omitted.
dev	boolean	True	Whether dev/test is enabled. When the dev field is set to true, the resource is used for dev/test purpose.
family	string		If the service has different generations of hardware, for the same SKU, then that can be captured here.
name	string		The name of the SKU. It is typically a letter+number code
size	string		The SKU size. When the name field is the combination of tier and some other value, this would be the standalone code.
tier	PostgresInstanceSkuTier	Hyperscale	This field is required to be implemented by the Resource Provider if the service has more than one tier.

PostgresInstanceSkuTier

Enumeration

This field is required to be implemented by the Resource Provider if the service has more than one tier.

Value	Description
Hyperscale

PostgresInstanceUpdate

Object

An update to a Postgres Instance.

Name	Type	Description
properties	PostgresInstanceProperties	Postgres Instance properties.
tags	object	Resource tags.

systemData

Object

Metadata pertaining to creation and last modification of the resource.

Name	Type	Description
createdAt	string (date-time)	The timestamp of resource creation (UTC).
createdBy	string	The identity that created the resource.
createdByType	createdByType	The type of identity that created the resource.
lastModifiedAt	string (date-time)	The timestamp of resource last modification (UTC)
lastModifiedBy	string	The identity that last modified the resource.
lastModifiedByType	createdByType	The type of identity that last modified the resource.