The identifier of the transaction in which to read. A
transaction identifier is returned by a call to
[Datastore.BeginTransaction][google.datastore.v1.Datastore.BeginTransaction].
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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\u003eThe webpage details the \u003ccode\u003eReadOptions\u003c/code\u003e class within the \u003ccode\u003eGoogle.Cloud.Datastore.V1\u003c/code\u003e namespace, specifically version 3.3.0, which provides options for read requests in Google Cloud Datastore.\u003c/p\u003e\n"],["\u003cp\u003eIt lists the available versions of the \u003ccode\u003eReadOptions\u003c/code\u003e class, ranging from 3.2.0 to the latest 4.15.0, allowing users to select the appropriate version for their project.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eReadOptions\u003c/code\u003e class inherits from \u003ccode\u003eObject\u003c/code\u003e and implements several interfaces including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e, offering methods for deep cloning and message handling.\u003c/p\u003e\n"],["\u003cp\u003eKey properties of the \u003ccode\u003eReadOptions\u003c/code\u003e class include \u003ccode\u003eConsistencyTypeCase\u003c/code\u003e, \u003ccode\u003eReadConsistency\u003c/code\u003e which controls non-transactional read consistency, and \u003ccode\u003eTransaction\u003c/code\u003e which is a \u003ccode\u003eByteString\u003c/code\u003e identifier for transactional reads.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eReadOptions\u003c/code\u003e class offers two constructors, a default constructor \u003ccode\u003eReadOptions()\u003c/code\u003e and one that takes another \u003ccode\u003eReadOptions\u003c/code\u003e object \u003ccode\u003eReadOptions(ReadOptions other)\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
