Note that any exception raised by a transaction function will cause a
rollback. This is purely for convenience. See
datastore.RunInTransaction for details.
[[["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 2022-09-30 UTC."],[[["This `Rollback` exception can be raised by transaction functions to force a rollback instead of a commit."],["It inherits from both `Error` and `expected_type`."],["The main alias for this exception is `google.appengine.api.datastore.datastore_errors.Rollback`."],["Any exception raised during a transaction function will automatically cause a rollback."]]],[]]
View source on GitHub
