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 provides documentation for the `ResultSourceInterface` in the Google Cloud Spanner C++ library, covering versions from 2.11.0 to the latest release candidate 2.37.0-rc."],["The `ResultSourceInterface` defines the interface for `RowStream` implementations, which handle the stream of `Rows` returned from `spanner::Client::Read()` or `spanner::Client::ExecuteQuery()`."],["The `NextRow()` function is used to retrieve the next row in the stream, with the function returning either a `StatusOr` containing the row or a `StatusOr` containing an error if a failure is encountered."],["`Metadata()` provides information about the result set, such as field types and the transaction ID."],["`Stats()` can be used to get statistics about the result set, like row counts and the query plan used to generate them."]]],[]]
