Francois Saint-Jacques created ARROW-7673:
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Summary: [C++][Dataset] Revisit File discovery failure mode
Key: ARROW-7673
URL: https://issues.apache.org/jira/browse/ARROW-7673
Project: Apache Arrow
Issue Type: Improvement
Components: C++ - Dataset
Reporter: Francois Saint-Jacques
Currently, the default `FileSystemFactoryOptions::exclude_invalid_files` will
silently ignore unsupported files (either IO error, not of the valid format,
corruption, missing compression codecs, etc...) when creating a
`FileSystemSource`.
We should change this behavior to propagate an error in the Inspect/Finish
calls by default and allow the user to toggle `exclude_invalid_files`. The
error should contain at least the file path and a decipherable error (if
possible).
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