Batch
(
session
,
client_context
=
None
)
Accumulate mutations for transmission during commit
.
Methods
__enter__
__enter__
()
Begin with
block.
__exit__
__exit__
(
exc_type
,
exc_val
,
exc_tb
)
End with
block.
commit
commit
(
return_commit_stats
=
False
,
request_options
=
None
,
max_commit_delay
=
None
,
exclude_txn_from_change_streams
=
False
,
isolation_level
=
IsolationLevel
.
ISOLATION_LEVEL_UNSPECIFIED
,
read_lock_mode
=
ReadLockMode
.
READ_LOCK_MODE_UNSPECIFIED
,
timeout_secs
=
30
,
default_retry_delay
=
None
,
)
Commit mutations to the database.
return_commit_stats
bool
If true, the response will return commit stats which can be accessed though commit_stats.
request_options
RequestOptions
(Optional) Common options for this request. If a dict is provided, it must be of the same form as the protobuf message RequestOptions .
max_commit_delay
datetime.timedelta
(Optional) The amount of latency this request is willing to incur in order to improve throughput.
exclude_txn_from_change_streams
bool
(Optional) If true, instructs the transaction to be excluded from being recorded in change streams with the DDL option allow_txn_exclusion=true
. This does not exclude the transaction from being recorded in the change streams with the DDL option allow_txn_exclusion
being false or unset.
isolation_level
read_lock_mode
timeout_secs
int
(Optional) The default time in seconds to wait before re-trying the commit..
ValueError
datetime
