def begin(self):
if self.transaction_id:
raise dbexceptions.NotSupportedError(
'Nested transactions not supported')
req = self._make_req()
try:
response = self.client.call('SqlQuery.Begin', req)
self.transaction_id = response.reply['TransactionId']
except gorpc.GoRpcError as e:
raise convert_exception(e, str(self))
def begin(self):
if self.in_transaction:
raise dbexceptions.NotSupportedError(
'Cannot begin: Already in a transaction')
req = self._make_req()
try:
response = self.client.call('Barnacle.Begin', req)
self.in_transaction = True
except gorpc.GoRpcError as e:
raise convert_exception(e, str(self))
def begin(self, effective_caller_id=None):
_ = effective_caller_id
if self.transaction_id:
raise dbexceptions.NotSupportedError('Nested transactions not supported')
req = {
'ImmediateCallerID': {'Username': self.caller_id},
'SessionId': self.session_id
}
try:
response = self.rpc_call_and_extract_error('SqlQuery.Begin2', req)
self.transaction_id = response.reply['TransactionId']
except (gorpc.GoRpcError, TabletError) as e:
raise convert_exception(e, str(self))