Module transaction (3.69.0)

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Spanner read-write transaction support.

Classes

BatchTransactionId

BatchTransactionId(transaction_id: str, session_id: str, read_timestamp: Any)

API documentation for spanner_v1.transaction.BatchTransactionId class.

DefaultTransactionOptions

DefaultTransactionOptions(isolation_level: str = <IsolationLevel.ISOLATION_LEVEL_UNSPECIFIED: 0>, read_lock_mode: str = <ReadLockMode.READ_LOCK_MODE_UNSPECIFIED: 0>)

DefaultTransactionOptions(isolation_level: str = <IsolationLevel.ISOLATION_LEVEL_UNSPECIFIED: 0>, read_lock_mode: str = <ReadLockMode.READ_LOCK_MODE_UNSPECIFIED: 0>)

Transaction

Transaction(session, client_context=None)

Implement read-write transaction semantics for a session.

Parameter
Name	Description
session	Session the session used to perform the commit

Exceptions
Type	Description
ValueError	if session has an existing transaction