operationId property
If empty, the new update request is assigned an automatically-generated operation ID.
Otherwise, operation_id is used to construct the name of the resulting
Operation. Specifying an explicit operation ID simplifies determining
whether the statements were executed in the event that the
UpdateDatabaseDdl call is replayed, or the return value is otherwise lost:
the database and operation_id fields can be combined to form the name of
the resulting longrunning.Operation: /operations/. operation_id should
be unique within the database, and must be a valid identifier: a-z*.
Note that automatically-generated operation IDs always begin with an
underscore. If the named operation already exists, UpdateDatabaseDdl
returns ALREADY_EXISTS.
Implementation
core.String? operationId;