Module transaction (3.57.0)

Spanner read-write transaction support.

Classes

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

API documentation for spanner_v1.transaction.BatchTransactionId class.

  DefaultTransactionOptions 
 ( 
 isolation_level 
 : 
 str 
 = 
< IsolationLevel 
 . 
 ISOLATION_LEVEL_UNSPECIFIED 
 : 
 0 
> )

DefaultTransactionOptions(isolation_level: str = <IsolationLevel.ISOLATION_LEVEL_UNSPECIFIED: 0>)

  Transaction 
 ( 
 session 
 )

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