Class StreamedResultSet (1.14.0)

Version 1.14.0

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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
.result_set_pb2.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.