if the stream is interrupted due to a failure the StatusOr<spanner::Row> contains the error. The function returns a successful StatusOr<> with an empty spanner::Row to indicate end-of-stream.
Metadata()
Returns metadata about the result set, such as the field types and the transaction id created by the request.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-22 UTC."],[[["\u003cp\u003eThis document provides the interface definition for \u003ccode\u003eRowStream\u003c/code\u003e implementations, which are used to stream rows from Cloud Spanner.\u003c/p\u003e\n"],["\u003cp\u003eIt includes a list of available versions of the Spanner C++ library, ranging from the latest release candidate 2.37.0-rc down to version 2.11.0, and this page corresponds to version 2.19.0.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eRowStream\u003c/code\u003e class enables retrieval of \u003ccode\u003eRows\u003c/code\u003e from \u003ccode\u003espanner::Client::Read()\u003c/code\u003e or \u003ccode\u003espanner::Client::ExecuteQuery()\u003c/code\u003e and can also be mocked for testing purposes.\u003c/p\u003e\n"],["\u003cp\u003eKey functions include \u003ccode\u003eNextRow()\u003c/code\u003e, which retrieves the next row in the stream, and also provides metadata and stats regarding the result set from the functions \u003ccode\u003eMetadata()\u003c/code\u003e and \u003ccode\u003eStats()\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe function \u003ccode\u003eNextRow()\u003c/code\u003e returns a StatusOr object, which contains the error if the stream fails or an empty Row if the end of the stream is reached.\u003c/p\u003e\n"]]],[],null,[]]
