Class Write (2.19.0)

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Write(mapping=None, *, ignore_unknown_fields=False, **kwargs)

A write on a document.

This message has oneof_ fields (mutually exclusive fields). For each oneof, at most one member field can be set at the same time. Setting any member of the oneof automatically clears all other members.

.. _oneof: https://proto-plus-python.readthedocs.io/en/stable/fields.html#oneofs-mutually-exclusive-fields

Attributes
Name	Description
update	google.cloud.firestore_v1.types.Document A document to write. This field is a member of oneof_ operation.
delete	str A document name to delete. In the format: projects/{project_id}/databases/{database_id}/documents/{document_path}. This field is a member of oneof_ operation.
transform	google.cloud.firestore_v1.types.DocumentTransform Applies a transformation to a document. This field is a member of oneof_ operation.
update_mask	google.cloud.firestore_v1.types.DocumentMask The fields to update in this write. This field can be set only when the operation is update. If the mask is not set for an update and the document exists, any existing data will be overwritten. If the mask is set and the document on the server has fields not covered by the mask, they are left unchanged. 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.
update_transforms	MutableSequence[google.cloud.firestore_v1.types.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.
current_document	google.cloud.firestore_v1.types.Precondition An optional precondition on the document. The write will fail if this is set and not met by the target document.