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 2025-03-21 UTC."],[[["This document provides the interface definition for `RowStream` implementations, which are used to process streams of `Rows` from Cloud Spanner operations."],["The `RowStream` class is utilized for streams of data from operations like `spanner::Client::Read()` and `spanner::Client::ExecuteQuery()`, offering various RPC-dependent implementations."],["The `NextRow()` function retrieves the subsequent row in the stream, indicating any stream interruption via an error within a `StatusOr` or signaling the stream's end with an empty `spanner::Row`."],["`Metadata()` gives information about the result set, including field types and the transaction ID, aligning with Google Spanner's result set metadata specifications."],["The `Stats()` function provides details about the result set's statistics, such as row count and query execution plan, matching the Google Spanner result set statistics reference."]]],[]]
