The identifier of the transaction that was started as part of this
RunAggregationQuery request.
Set only when
[ReadOptions.new_transaction][google.datastore.v1.ReadOptions.new_transaction]
was set in
[RunAggregationQueryRequest.read_options][google.datastore.v1.RunAggregationQueryRequest.read_options].
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 document provides reference information for the \u003ccode\u003eRunAggregationQueryResponse\u003c/code\u003e class within the Google Cloud Datastore v1 API, specifically for version 4.7.0.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eRunAggregationQueryResponse\u003c/code\u003e is the designated response type for the \u003ccode\u003eDatastore.RunAggregationQuery\u003c/code\u003e method 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.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eRunAggregationQueryResponse\u003c/code\u003e class contains properties such as \u003ccode\u003eBatch\u003c/code\u003e (an \u003ccode\u003eAggregationResultBatch\u003c/code\u003e), \u003ccode\u003eQuery\u003c/code\u003e (an \u003ccode\u003eAggregationQuery\u003c/code\u003e), and \u003ccode\u003eTransaction\u003c/code\u003e (a \u003ccode\u003eByteString\u003c/code\u003e), which represent the results, the parsed query, and the transaction identifier respectively.\u003c/p\u003e\n"],["\u003cp\u003eThere is a history of versioning for the \u003ccode\u003eRunAggregationQueryResponse\u003c/code\u003e class that dates back from version 3.2.0 to the most recent version of 4.15.0, which is listed as the latest version.\u003c/p\u003e\n"],["\u003cp\u003eThe class includes two constructors: a default constructor \u003ccode\u003eRunAggregationQueryResponse()\u003c/code\u003e and an overloaded constructor \u003ccode\u003eRunAggregationQueryResponse(RunAggregationQueryResponse other)\u003c/code\u003e for creating a copy of another \u003ccode\u003eRunAggregationQueryResponse\u003c/code\u003e instance.\u003c/p\u003e\n"]]],[],null,[]]