Class TransactionSelector (3.4.0)

Version 3.4.0

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TransactionSelector(mapping=None, *, ignore_unknown_fields=False, **kwargs)

This message is used to select the transaction in which a Read][google.spanner.v1.Spanner.Read] or ExecuteSql][google.spanner.v1.Spanner.ExecuteSql] call runs.

See TransactionOptions][google.spanner.v1.TransactionOptions] for more information about transactions.

Attributes
Name	Description
single_use	google.cloud.spanner_v1.types.TransactionOptions Execute the read or SQL query in a temporary transaction. This is the most efficient way to execute a transaction that consists of a single SQL query.
id	bytes Execute the read or SQL query in a previously-started transaction.
begin	google.cloud.spanner_v1.types.TransactionOptions Begin a new transaction and execute this read or SQL query in it. The transaction ID of the new transaction is returned in ResultSetMetadata.transaction][google.spanner.v1.ResultSetMetadata.transaction], which is a Transaction][google.spanner.v1.Transaction].