[jira] [Commented] (ARROW-5205) [Python][C++] Improved error messages when user erroneously uses a non-local resource URI to open a file

["Alessandro Molina (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/ARROW-5205?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17468648#comment-17468648 ] 

Alessandro Molina commented on ARROW-5205:
------------------------------------------

[~jorisvandenbossche] what's the state of this one, is it something we should move forward to 8.0.0 or should we just close it as what was already done is enough?

> [Python][C++] Improved error messages when user erroneously uses a non-local resource URI to open a file
> --------------------------------------------------------------------------------------------------------
>
>                 Key: ARROW-5205
>                 URL: https://issues.apache.org/jira/browse/ARROW-5205
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++, Python
>            Reporter: Wes McKinney
>            Assignee: Joris Van den Bossche
>            Priority: Major
>             Fix For: 8.0.0
>
>          Time Spent: 1h 40m
>  Remaining Estimate: 0h
>
> In a number of places if a string filepath is passed, it is assumed to be a local file. Since we are developing better support for file URIs, we may be able to detect that the user has passed an unsupported URI (e.g. something starting with "s3:" or "hdfs:") and return a better error message than "local file not found"
> see
> https://stackoverflow.com/questions/55704943/what-could-be-the-explanation-of-this-pyarrow-lib-arrowioerror/55707311#55707311



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