The update time of the entity that this mutation is being applied
to. If this does not match the current update time on the server, the
mutation conflicts.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThis webpage provides documentation for the \u003ccode\u003eMutation\u003c/code\u003e class within the \u003ccode\u003eGoogle.Cloud.Datastore.V1\u003c/code\u003e namespace, detailing its role in applying changes to entities.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMutation\u003c/code\u003e class offers functionality for inserting, updating, deleting, and upserting entities, as demonstrated by its \u003ccode\u003eInsert\u003c/code\u003e, \u003ccode\u003eUpdate\u003c/code\u003e, \u003ccode\u003eDelete\u003c/code\u003e, and \u003ccode\u003eUpsert\u003c/code\u003e properties.\u003c/p\u003e\n"],["\u003cp\u003eVersion history for this API is available, ranging from the latest version 4.15.0 down to version 3.2.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMutation\u003c/code\u003e class implements multiple interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, indicating its comprehensive functionality for managing data entities.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMutation\u003c/code\u003e class has properties, like \u003ccode\u003eBaseVersion\u003c/code\u003e and \u003ccode\u003eUpdateTime\u003c/code\u003e, that are used to manage conflicts that arise when an entity has changed since the mutation was performed, as well as its \u003ccode\u003eOperationCase\u003c/code\u003e and \u003ccode\u003eConflictDetectionStrategyCase\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
