def get_statement_execution_log(statement_execution_id):
with DBSession() as session:
statement_execution = logic.get_statement_execution_by_id(
statement_execution_id, session=session)
api_assert(statement_execution is not None,
message="Invalid statement execution")
verify_query_execution_permission(
statement_execution.query_execution_id, session=session)
log_path = statement_execution.log_path
try:
if log_path.startswith("stream"):
logs = logic.get_statement_execution_stream_logs(
statement_execution_id)
return list(map(lambda log: log.log, logs))
else:
with DBSession() as session:
MAX_LOG_RETURN_LINES = 2000
result = ""
statement_execution = logic.get_statement_execution_by_id(
statement_execution_id, session=session)
if statement_execution is not None and statement_execution.has_log:
with GenericReader(
statement_execution.log_path) as reader:
result = reader.read_lines(
number_of_lines=MAX_LOG_RETURN_LINES)
if len(result) == MAX_LOG_RETURN_LINES:
result += [
"---------------------------------------------------------------------------",
f"We are truncating results since it reached limit of {MAX_LOG_RETURN_LINES} lines.",
]
return result
except FileDoesNotExist as e:
abort(RESOURCE_NOT_FOUND_STATUS_CODE, str(e))
def _get_statement_execution_download_url(self,
statement_execution_id: int):
statement_execution = logic.get_statement_execution_by_id(
statement_execution_id)
if statement_execution.result_path:
with GenericReader(statement_execution.result_path) as reader:
if reader.has_download_url:
return reader.get_download_url()
return None
def get_resource_path(self, session=None):
statement_execution = get_statement_execution_by_id(
self.statement_execution_id, False, session=session)
with GenericReader(statement_execution.result_path) as reader:
store_type = reader.store_type
resource_path = reader.uri
resource_type = STORE_TYPE_TO_RESOURCE_TYPE.get(store_type, None)
if resource_type:
return [resource_type, resource_path]
return [None, None]
def download_statement_execution_result(statement_execution_id):
with DBSession() as session:
statement_execution = logic.get_statement_execution_by_id(
statement_execution_id, session=session)
api_assert(statement_execution is not None,
message="Invalid statement execution")
verify_query_execution_permission(
statement_execution.query_execution_id, session=session)
download_file_name = f"result_{statement_execution.query_execution_id}_{statement_execution_id}.csv"
reader = GenericReader(statement_execution.result_path)
response = None
if reader.has_download_url:
# If the Reader can generate a download,
# we let user download the file by redirection
download_url = reader.get_download_url(
custom_name=download_file_name)
response = redirect(download_url)
else:
# We read the raw file and download it for the user
reader.start()
raw = reader.read_raw()
response = Response(raw)
response.headers["Content-Type"] = "text/csv"
response.headers[
"Content-Disposition"] = f'attachment; filename="{download_file_name}"'
return response
def download_statement_execution_result(statement_execution_id):
with DBSession() as session:
statement_execution = logic.get_statement_execution_by_id(
statement_execution_id, session=session)
api_assert(statement_execution is not None,
message="Invalid statement execution")
verify_query_execution_permission(
statement_execution.query_execution_id, session=session)
reader = GenericReader(statement_execution.result_path)
response = None
if reader.has_download_url:
# If the Reader can generate a download,
# we proxy download the file
download_url = reader.get_download_url()
req = requests.get(download_url, stream=True)
# 10 KB size
response = Response(req.iter_content(chunk_size=10 * 1024))
else:
# We read the raw file and download it for the user
reader.start()
raw = reader.read_raw()
response = Response(raw)
response.headers["Content-Type"] = "text/plain"
response.headers[
"Content-Disposition"] = 'attachment; filename="result_{}_{}.csv"'.format(
statement_execution.query_execution_id, statement_execution_id)
return response
def get_statement_execution_result(statement_execution_id):
with DBSession() as session:
try:
statement_execution = logic.get_statement_execution_by_id(
statement_execution_id, session=session)
api_assert(statement_execution is not None,
message="Invalid statement execution")
verify_query_execution_permission(
statement_execution.query_execution_id, session=session)
with GenericReader(statement_execution.result_path) as reader:
result = reader.read_csv(number_of_lines=2001)
return result
except FileDoesNotExist as e:
abort(RESOURCE_NOT_FOUND_STATUS_CODE, str(e))
def _get_statement_execution_result(
self,
statement_execution_id: int,
raw: bool = False, # If raw, return unparsed csv text
number_of_lines: int = 2001,
):
statement_execution = logic.get_statement_execution_by_id(
statement_execution_id)
if statement_execution.result_path:
with GenericReader(statement_execution.result_path) as reader:
if raw:
result = "\n".join(
reader.read_lines(number_of_lines=number_of_lines))
else:
result = reader.read_csv(number_of_lines=number_of_lines)
return result
return None
def get_statement_execution_result(statement_execution_id, limit=None):
# TODO: make this customizable
limit = 1000 if limit is None else limit
api_assert(limit <= 5000, message="Too many rows requested")
with DBSession() as session:
try:
statement_execution = logic.get_statement_execution_by_id(
statement_execution_id, session=session)
api_assert(statement_execution is not None,
message="Invalid statement execution")
verify_query_execution_permission(
statement_execution.query_execution_id, session=session)
with GenericReader(statement_execution.result_path) as reader:
result = reader.read_csv(number_of_lines=limit +
1) # 1 row for column
return result
except FileDoesNotExist as e:
abort(RESOURCE_NOT_FOUND_STATUS_CODE, str(e))