hainenber commented on code in PR #44624:
URL: https://github.com/apache/superset/pull/44624#discussion_r4113826777
##########
superset/charts/data/api.py:
##########
@@ -655,6 +649,24 @@ def _get_data_response(
slice_: Slice | None = None,
) -> Response:
"""Get data response and optionally log is_cached information."""
+ query_context = command.query_context
+ if self._should_stream_before_execution(query_context, expected_rows):
+ # The client already decided to stream this export, so skip the
+ # regular execution: it would run the full query and hold every row
+ # in memory only to discard the result, and the streaming command
+ # runs the query again anyway. On large exports that first pass is
+ # long enough for proxies to drop the idle connection before the
+ # first byte is sent.
+ if not self._has_export_permission():
+ return self.response_403()
+ return self._create_streaming_csv_response(
+ {"query_context": query_context},
+ form_data,
+ filename=filename,
+ expected_rows=expected_rows,
+ slice_=slice_ or query_context.slice_,
+ )
Review Comment:
This is valid. @aipiJuancho can you help bringing this code block under the
try-catch section below?
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