Class StreamedResultSet (1.19.2)

Version 1.19.2

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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.

Inheritance

builtins.object > StreamedResultSet

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.