[jira] [Comment Edited] (ARROW-7673) [C++][Dataset] Revisit File discovery failure mode

["Krisztian Szucs (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-7673?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17023602#comment-17023602 ] 

Krisztian Szucs edited comment on ARROW-7673 at 1/25/20 4:59 PM:
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[~fsaintjacques] So in 0.16 we plan to provide best effort readers, and aiming this ticket to 1.0.0, right?


was (Author: kszucs):
So in 0.16 we plan to provide best effort readers, and aiming this ticket to 1.0.0, right?

> [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
>            Priority: Major
>
> 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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