feat: Add support for UpdateDatabase in Cloud Spanner (#941)

* feat: Add support for UpdateDatabase in Cloud Spanner

PiperOrigin-RevId: 531423380

Source-Link: googleapis/googleapis@3e054d1

Source-Link: googleapis/googleapis-gen@e347738
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google/cloud/spanner_admin_database_v1/__init__.py

@@ -61,6 +61,8 @@
 from .types.spanner_database_admin import RestoreInfo
 from .types.spanner_database_admin import UpdateDatabaseDdlMetadata
 from .types.spanner_database_admin import UpdateDatabaseDdlRequest
+from .types.spanner_database_admin import UpdateDatabaseMetadata
+from .types.spanner_database_admin import UpdateDatabaseRequest
 from .types.spanner_database_admin import RestoreSourceType
 
 __all__ = (
@@ -107,4 +109,6 @@
     "UpdateBackupRequest",
     "UpdateDatabaseDdlMetadata",
     "UpdateDatabaseDdlRequest",
+    "UpdateDatabaseMetadata",
+    "UpdateDatabaseRequest",
 )

google/cloud/spanner_admin_database_v1/gapic_metadata.json

@@ -100,6 +100,11 @@
                 "update_backup"
               ]
             },
+            "UpdateDatabase": {
+              "methods": [
+                "update_database"
+              ]
+            },
             "UpdateDatabaseDdl": {
               "methods": [
                 "update_database_ddl"
@@ -200,6 +205,11 @@
                 "update_backup"
               ]
             },
+            "UpdateDatabase": {
+              "methods": [
+                "update_database"
+              ]
+            },
             "UpdateDatabaseDdl": {
               "methods": [
                 "update_database_ddl"
@@ -300,6 +310,11 @@
                 "update_backup"
               ]
             },
+            "UpdateDatabase": {
+              "methods": [
+                "update_database"
+              ]
+            },
             "UpdateDatabaseDdl": {
               "methods": [
                 "update_database_ddl"

google/cloud/spanner_admin_database_v1/services/database_admin/async_client.py

@@ -633,6 +633,188 @@ async def sample_get_database():
         # Done; return the response.
         return response
 
+    async def update_database(
+        self,
+        request: Optional[
+            Union[spanner_database_admin.UpdateDatabaseRequest, dict]
+        ] = None,
+        *,
+        database: Optional[spanner_database_admin.Database] = None,
+        update_mask: Optional[field_mask_pb2.FieldMask] = None,
+        retry: OptionalRetry = gapic_v1.method.DEFAULT,
+        timeout: Union[float, object] = gapic_v1.method.DEFAULT,
+        metadata: Sequence[Tuple[str, str]] = (),
+    ) -> operation_async.AsyncOperation:
+        r"""Updates a Cloud Spanner database. The returned [long-running
+        operation][google.longrunning.Operation] can be used to track
+        the progress of updating the database. If the named database
+        does not exist, returns ``NOT_FOUND``.
+
+        While the operation is pending:
+
+        -  The database's
+           [reconciling][google.spanner.admin.database.v1.Database.reconciling]
+           field is set to true.
+        -  Cancelling the operation is best-effort. If the cancellation
+           succeeds, the operation metadata's
+           [cancel_time][google.spanner.admin.database.v1.UpdateDatabaseMetadata.cancel_time]
+           is set, the updates are reverted, and the operation
+           terminates with a ``CANCELLED`` status.
+        -  New UpdateDatabase requests will return a
+           ``FAILED_PRECONDITION`` error until the pending operation is
+           done (returns successfully or with error).
+        -  Reading the database via the API continues to give the
+           pre-request values.
+
+        Upon completion of the returned operation:
+
+        -  The new values are in effect and readable via the API.
+        -  The database's
+           [reconciling][google.spanner.admin.database.v1.Database.reconciling]
+           field becomes false.
+
+        The returned [long-running
+        operation][google.longrunning.Operation] will have a name of the
+        format
+        ``projects/<project>/instances/<instance>/databases/<database>/operations/<operation_id>``
+        and can be used to track the database modification. The
+        [metadata][google.longrunning.Operation.metadata] field type is
+        [UpdateDatabaseMetadata][google.spanner.admin.database.v1.UpdateDatabaseMetadata].
+        The [response][google.longrunning.Operation.response] field type
+        is [Database][google.spanner.admin.database.v1.Database], if
+        successful.
+
+        .. code-block:: python
+
+            # This snippet has been automatically generated and should be regarded as a
+            # code template only.
+            # It will require modifications to work:
+            # - It may require correct/in-range values for request initialization.
+            # - It may require specifying regional endpoints when creating the service
+            #   client as shown in:
+            #   https://googleapis.dev/python/google-api-core/latest/client_options.html
+            from google.cloud import spanner_admin_database_v1
+
+            async def sample_update_database():
+                # Create a client
+                client = spanner_admin_database_v1.DatabaseAdminAsyncClient()
+
+                # Initialize request argument(s)
+                database = spanner_admin_database_v1.Database()
+                database.name = "name_value"
+
+                request = spanner_admin_database_v1.UpdateDatabaseRequest(
+                    database=database,
+                )
+
+                # Make the request
+                operation = client.update_database(request=request)
+
+                print("Waiting for operation to complete...")
+
+                response = (await operation).result()
+
+                # Handle the response
+                print(response)
+
+        Args:
+            request (Optional[Union[google.cloud.spanner_admin_database_v1.types.UpdateDatabaseRequest, dict]]):
+                The request object. The request for
+                [UpdateDatabase][google.spanner.admin.database.v1.DatabaseAdmin.UpdateDatabase].
+            database (:class:`google.cloud.spanner_admin_database_v1.types.Database`):
+                Required. The database to update. The ``name`` field of
+                the database is of the form
+                ``projects/<project>/instances/<instance>/databases/<database>``.
+
+                This corresponds to the ``database`` field
+                on the ``request`` instance; if ``request`` is provided, this
+                should not be set.
+            update_mask (:class:`google.protobuf.field_mask_pb2.FieldMask`):
+                Required. The list of fields to update. Currently, only
+                ``enable_drop_protection`` field can be updated.
+
+                This corresponds to the ``update_mask`` field
+                on the ``request`` instance; if ``request`` is provided, this
+                should not be set.
+            retry (google.api_core.retry.Retry): Designation of what errors, if any,
+                should be retried.
+            timeout (float): The timeout for this request.
+            metadata (Sequence[Tuple[str, str]]): Strings which should be
+                sent along with the request as metadata.
+
+        Returns:
+            google.api_core.operation_async.AsyncOperation:
+                An object representing a long-running operation.
+
+                The result type for the operation will be
+                :class:`google.cloud.spanner_admin_database_v1.types.Database`
+                A Cloud Spanner database.
+
+        """
+        # Create or coerce a protobuf request object.
+        # Quick check: If we got a request object, we should *not* have
+        # gotten any keyword arguments that map to the request.
+        has_flattened_params = any([database, update_mask])
+        if request is not None and has_flattened_params:
+            raise ValueError(
+                "If the `request` argument is set, then none of "
+                "the individual field arguments should be set."
+            )
+
+        request = spanner_database_admin.UpdateDatabaseRequest(request)
+
+        # If we have keyword arguments corresponding to fields on the
+        # request, apply these.
+        if database is not None:
+            request.database = database
+        if update_mask is not None:
+            request.update_mask = update_mask
+
+        # Wrap the RPC method; this adds retry and timeout information,
+        # and friendly error handling.
+        rpc = gapic_v1.method_async.wrap_method(
+            self._client._transport.update_database,
+            default_retry=retries.Retry(
+                initial=1.0,
+                maximum=32.0,
+                multiplier=1.3,
+                predicate=retries.if_exception_type(
+                    core_exceptions.DeadlineExceeded,
+                    core_exceptions.ServiceUnavailable,
+                ),
+                deadline=3600.0,
+            ),
+            default_timeout=3600.0,
+            client_info=DEFAULT_CLIENT_INFO,
+        )
+
+        # Certain fields should be provided within the metadata header;
+        # add these here.
+        metadata = tuple(metadata) + (
+            gapic_v1.routing_header.to_grpc_metadata(
+                (("database.name", request.database.name),)
+            ),
+        )
+
+        # Send the request.
+        response = await rpc(
+            request,
+            retry=retry,
+            timeout=timeout,
+            metadata=metadata,
+        )
+
+        # Wrap the response in an operation future.
+        response = operation_async.from_gapic(
+            response,
+            self._client._transport.operations_client,
+            spanner_database_admin.Database,
+            metadata_type=spanner_database_admin.UpdateDatabaseMetadata,
+        )
+
+        # Done; return the response.
+        return response
+
     async def update_database_ddl(
         self,
         request: Optional[