Starts asynchronous cancellation on a long-running operation. The server makes a best effort to cancel the operation, but success is not guaranteed. If the server doesn't support this method, it returns google.rpc.Code.UNIMPLEMENTED. Clients can use Operations.GetOperation or other methods to check whether the cancellation succeeded or whether the operation completed despite cancellation. On successful cancellation, the operation is not deleted; instead, it becomes an operation with an Operation.error value with a google.rpc.Status.code of 1, corresponding to Code.CANCELLED.
HTTP request
POST https://datastore.googleapis.com/v1/{name=projects/*/operations/*}:cancel
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-01-21 UTC."],[[["This document describes how to cancel a long-running operation using an HTTP POST request."],["The operation to be canceled is specified using its resource name within the URL path."],["The request body for cancellation must be empty, as no additional data is required."],["A successful cancellation will result in an empty JSON response, and the operation will have a `Code.CANCELLED` error status."],["Canceling the operation requires authorization scopes related to Datastore or the broader Cloud Platform."]]],[]]