class Cursor(BaseCursor, CursorIterator, WithResultSet):
def __init__(self, connection, s3_staging_dir, schema_name, poll_interval,
encryption_option, kms_key, converter, formatter,
retry_exceptions, retry_attempt, retry_multiplier,
retry_max_delay, retry_exponential_base, **kwargs):
super(Cursor, self).__init__(connection, s3_staging_dir, schema_name, poll_interval,
encryption_option, kms_key, converter, formatter,
retry_exceptions, retry_attempt, retry_multiplier,
retry_max_delay, retry_exponential_base, **kwargs)
@property
def rownumber(self):
return self._result_set.rownumber if self._result_set else None
def close(self):
if self._result_set and not self._result_set.is_closed:
self._result_set.close()
@synchronized
def execute(self, operation, parameters=None):
self._reset_state()
self._query_id = self._execute(operation, parameters)
query_execution = self._poll(self._query_id)
if query_execution.state == AthenaQueryExecution.STATE_SUCCEEDED:
self._result_set = AthenaResultSet(
self._connection, self._converter, query_execution, self.arraysize,
self.retry_exceptions, self.retry_attempt, self.retry_multiplier,
self.retry_max_delay, self.retry_exponential_base)
else:
raise OperationalError(query_execution.state_change_reason)
return self
def executemany(self, operation, seq_of_parameters):
raise NotSupportedError
@synchronized
def cancel(self):
if not self._query_id:
raise ProgrammingError('QueryExecutionId is none or empty.')
self._cancel(self._query_id)
@synchronized
def fetchone(self):
if not self.has_result_set:
raise ProgrammingError('No result set.')
return self._result_set.fetchone()
@synchronized
def fetchmany(self, size=None):
if not self.has_result_set:
raise ProgrammingError('No result set.')
return self._result_set.fetchmany(size)
@synchronized
def fetchall(self):
if not self.has_result_set:
raise ProgrammingError('No result set.')
return self._result_set.fetchall()
class Cursor(BaseCursor, CursorIterator):
def __init__(self, client, s3_staging_dir, schema_name, poll_interval,
encryption_option, kms_key, converter, formatter,
retry_exceptions, retry_attempt, retry_multiplier,
retry_max_delay, retry_exponential_base):
super(Cursor, self).__init__(client, s3_staging_dir, schema_name,
poll_interval, encryption_option, kms_key,
converter, formatter, retry_exceptions,
retry_attempt, retry_multiplier,
retry_max_delay, retry_exponential_base)
self._query_id = None
self._result_set = None
@property
def rownumber(self):
return self._result_set.rownumber if self._result_set else None
@property
def has_result_set(self):
return self._result_set is not None
@property
def description(self):
if not self.has_result_set:
return None
return self._result_set.description
@property
def query_id(self):
return self._query_id
@property
def query(self):
if not self.has_result_set:
return None
return self._result_set.query
@property
def state(self):
if not self.has_result_set:
return None
return self._result_set.state
@property
def state_change_reason(self):
if not self.has_result_set:
return None
return self._result_set.state_change_reason
@property
def completion_date_time(self):
if not self.has_result_set:
return None
return self._result_set.completion_date_time
@property
def submission_date_time(self):
if not self.has_result_set:
return None
return self._result_set.submission_date_time
@property
def data_scanned_in_bytes(self):
if not self.has_result_set:
return None
return self._result_set.data_scanned_in_bytes
@property
def execution_time_in_millis(self):
if not self.has_result_set:
return None
return self._result_set.execution_time_in_millis
@property
def output_location(self):
if not self.has_result_set:
return None
return self._result_set.output_location
def close(self):
if self._result_set and not self._result_set.is_closed:
self._result_set.close()
def _reset_state(self):
self._description = None
self._query_id = None
if self._result_set and not self._result_set.is_closed:
self._result_set.close()
self._result_set = None
@synchronized
def execute(self, operation, parameters=None):
self._reset_state()
self._query_id = self._execute(operation, parameters)
query_execution = self._poll(self._query_id)
if query_execution.state == AthenaQueryExecution.STATE_SUCCEEDED:
self._result_set = AthenaResultSet(
self._connection, self._converter, query_execution,
self.arraysize, self.retry_exceptions, self.retry_attempt,
self.retry_multiplier, self.retry_max_delay,
self.retry_exponential_base)
else:
raise OperationalError(query_execution.state_change_reason)
def executemany(self, operation, seq_of_parameters):
raise NotSupportedError
@synchronized
def cancel(self):
if not self._query_id:
raise ProgrammingError('QueryExecutionId is none or empty.')
self._cancel(self._query_id)
@synchronized
def fetchone(self):
if not self.has_result_set:
raise ProgrammingError('No result set.')
return self._result_set.fetchone()
@synchronized
def fetchmany(self, size=None):
if not self.has_result_set:
raise ProgrammingError('No result set.')
return self._result_set.fetchmany(size)
@synchronized
def fetchall(self):
if not self.has_result_set:
raise ProgrammingError('No result set.')
return self._result_set.fetchall()
class Cursor(BaseCursor, CursorIterator, WithResultSet):
def __init__(self, connection, s3_staging_dir, schema_name, work_group,
poll_interval, encryption_option, kms_key, converter, formatter,
retry_config, **kwargs):
super(Cursor, self).__init__(
connection=connection,
s3_staging_dir=s3_staging_dir,
schema_name=schema_name,
work_group=work_group,
poll_interval=poll_interval,
encryption_option=encryption_option,
kms_key=kms_key,
converter=converter,
formatter=formatter,
retry_config=retry_config,
**kwargs)
@property
def rownumber(self):
return self._result_set.rownumber if self._result_set else None
def close(self):
if self._result_set and not self._result_set.is_closed:
self._result_set.close()
@synchronized
def execute(self, operation, parameters=None, work_group=None, s3_staging_dir=None,
cache_size=0):
self._reset_state()
self._query_id = self._execute(operation,
parameters=parameters,
work_group=work_group,
s3_staging_dir=s3_staging_dir,
cache_size=cache_size)
query_execution = self._poll(self._query_id)
if query_execution.state == AthenaQueryExecution.STATE_SUCCEEDED:
self._result_set = AthenaResultSet(
self._connection, self._converter, query_execution, self.arraysize,
self._retry_config)
else:
raise OperationalError(query_execution.state_change_reason)
return self
def executemany(self, operation, seq_of_parameters):
for parameters in seq_of_parameters:
self.execute(operation, parameters)
# Operations that have result sets are not allowed with executemany.
self._reset_state()
@synchronized
def cancel(self):
if not self._query_id:
raise ProgrammingError('QueryExecutionId is none or empty.')
self._cancel(self._query_id)
@synchronized
def fetchone(self):
if not self.has_result_set:
raise ProgrammingError('No result set.')
return self._result_set.fetchone()
@synchronized
def fetchmany(self, size=None):
if not self.has_result_set:
raise ProgrammingError('No result set.')
return self._result_set.fetchmany(size)
@synchronized
def fetchall(self):
if not self.has_result_set:
raise ProgrammingError('No result set.')
return self._result_set.fetchall()