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"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-14 UTC."],[[["This document details the `ResultSourceInterface` for Google Cloud Spanner's C++ client library, specifically for version 2.24.0 and other versions listed."],["The `ResultSourceInterface` provides a way to interact with `RowStream` implementations, which return streams of `Rows` from `spanner::Client::Read()` or `spanner::Client::ExecuteQuery()`."],["The `NextRow()` function retrieves the subsequent row in the stream, returning a `StatusOr\u003cspanner::Row\u003e` which signifies the row or an error, and an empty `spanner::Row` indicates end-of-stream."],["`Metadata()` and `Stats()` are available to fetch details on the result set, including field types, transaction ID, number of rows, and the query plan."],["The latest release can be found in the list under version 2.37.0-rc, but the documentation is specific to the ResultSourceInterface in relation to version 2.24.0."]]],[]]
