Class StreamedResultSet (2.0.0)

StreamedResultSet(response_iterator, source=None)

Process a sequence of partial result sets into a single set of row data.

Parameter

Name Description
source Snapshot

Snapshot from which the result set was fetched.

Properties

fields

Field descriptors for result set columns.

Returns
Type Description
list of Field list of fields describing column names / types.

metadata

Result set metadata

Returns
Type Description
ResultSetMetadata structure describing the results

stats

Result set statistics

Returns
Type Description
ResultSetStats structure describing status about the response

Methods

one

one()

Return exactly one result, or raise an exception.

Exceptions
Type Description
NotFound If there are no results.
ValueError If there are multiple results.
RuntimeError If consumption has already occurred, in whole or in part.

one_or_none

one_or_none()

Return exactly one result, or None if there are no results.

Exceptions
Type Description
ValueError If there are multiple results.
RuntimeError If consumption has already occurred, in whole or in part.

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see the Google Developers Site Policies. Java is a registered trademark of Oracle and/or its affiliates.

Last updated 2025年12月16日 UTC.