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 page details the `ResultSourceInterface` in Google Cloud Spanner's C++ library, providing documentation for various versions."],["The `RowStream` class, which represents a stream of rows from Spanner queries, is the primary focus, with links to `spanner::Client::Read()` and `spanner::Client::ExecuteQuery()`."],["`NextRow()` retrieves the next row in the stream, returning an error or an empty `spanner::Row` to signal the end of the stream."],["`Metadata()` and `Stats()` functions provide additional information about the result set, such as field types, transaction ID, row count, and query plan, with external links to more details."],["The latest version in the list is 2.37.0-rc, while the current version is 2.22.0, with links to older versions dating down to version 2.11.0."]]],[]]