chore(firestore): Add Write#update_transforms (FieldTransform) in low…

…er-level client

google-cloud-firestore/lib/google/cloud/firestore/v1/doc/google/firestore/v1/query.rb

@@ -153,6 +153,15 @@ module Operator
           end
         end
 
+        # The projection of document's fields to return.
+        # @!attribute [rw] fields
+        #   @return [Array<Google::Firestore::V1::StructuredQuery::FieldReference>]
+        #     The fields to return.
+        #
+        #     If empty, all fields are returned. To only return the name
+        #     of the document, use `['__name__']`.
+        class Projection; end
+
         # A filter with a single operand.
         # @!attribute [rw] op
         #   @return [Google::Firestore::V1::StructuredQuery::UnaryFilter::Operator]
@@ -174,6 +183,11 @@ module Operator
           end
         end
 
+        # A reference to a field, such as `max(messages.time) as max_time`.
+        # @!attribute [rw] field_path
+        #   @return [String]
+        class FieldReference; end
+
         # An order on a field.
         # @!attribute [rw] field
         #   @return [Google::Firestore::V1::StructuredQuery::FieldReference]
@@ -183,20 +197,6 @@ module Operator
         #     The direction to order by. Defaults to `ASCENDING`.
         class Order; end
 
-        # A reference to a field, such as `max(messages.time) as max_time`.
-        # @!attribute [rw] field_path
-        #   @return [String]
-        class FieldReference; end
-
-        # The projection of document's fields to return.
-        # @!attribute [rw] fields
-        #   @return [Array<Google::Firestore::V1::StructuredQuery::FieldReference>]
-        #     The fields to return.
-        #
-        #     If empty, all fields are returned. To only return the name
-        #     of the document, use `['__name__']`.
-        class Projection; end
-
         # A sort direction.
         module Direction
           # Unspecified.

google-cloud-firestore/lib/google/cloud/firestore/v1/doc/google/firestore/v1/write.rb

@@ -27,9 +27,6 @@ module V1
       # @!attribute [rw] transform
       #   @return [Google::Firestore::V1::DocumentTransform]
       #     Applies a transformation to a document.
-      #     At most one `transform` per document is allowed in a given request.
-      #     An `update` cannot follow a `transform` on the same document in a given
-      #     request.
       # @!attribute [rw] update_mask
       #   @return [Google::Firestore::V1::DocumentMask]
       #     The fields to update in this write.
@@ -42,6 +39,13 @@ module V1
       #     Fields referenced in the mask, but not present in the input document, are
       #     deleted from the document on the server.
       #     The field paths in this mask must not contain a reserved field name.
+      # @!attribute [rw] update_transforms
+      #   @return [Array<Google::Firestore::V1::DocumentTransform::FieldTransform>]
+      #     The transforms to perform after update.
+      #
+      #     This field can be set only when the operation is `update`. If present, this
+      #     write is equivalent to performing `update` and `transform` to the same
+      #     document atomically and in order.
       # @!attribute [rw] current_document
       #   @return [Google::Firestore::V1::Precondition]
       #     An optional precondition on the document.