[ARROW-11360] [Rust] [DataFusion] Improve CSV "No files found" error message

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 4.0.0
• Component/s: Rust - DataFusion
• Labels: beginner pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/18474
• Assignee: Unassigned
• Reporter: Andy Grove
• Created: 23/Jan/21 18:08
• Updated: 11/Jan/23 08:19
• Resolved: 29/Jan/21 21:00

Description

There are two places in DataFusion where the error message "No files found" is returned if no CSV files can be found in the specified directory with the specified file extension.

It would be much easier to debug issues if this error message stated the directory and file extension.

Issue Links

• links to: GitHub Pull Request #9303