Reads entities as they were at the given time. This may not be older
than 270 seconds. This value is only supported for Cloud Firestore in
Datastore mode.
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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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, providing options for configuring read requests in the Google Cloud Datastore.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eReadOptions\u003c/code\u003e class 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, and has constructors for creating new instances either with or without another \u003ccode\u003eReadOptions\u003c/code\u003e object.\u003c/p\u003e\n"],["\u003cp\u003eThe available properties include \u003ccode\u003eConsistencyTypeCase\u003c/code\u003e, \u003ccode\u003eReadConsistency\u003c/code\u003e for non-transactional consistency, \u003ccode\u003eReadTime\u003c/code\u003e to specify a past time for data retrieval, and \u003ccode\u003eTransaction\u003c/code\u003e for reading within a specific transaction.\u003c/p\u003e\n"],["\u003cp\u003eThe page contains a list of available versions for Google Cloud Datastore V1, ranging from 3.2.0 all the way to the most recent 4.15.0.\u003c/p\u003e\n"]]],[],null,[]]
