JasonLi-cn opened a new issue, #6112: URL: https://github.com/apache/arrow-rs/issues/6112
**Describe the bug** - Datafusion Table Info: Having a `http_url` column, which DataType is `Utf8`, and it has a lot of distinct values. - Datafusion SQL ```sql select http_url from tab group http_url ``` - Panic Info <img width="1025" alt="image" src="https://github.com/user-attachments/assets/76c1d0e4-b037-4444-aa40-b1fdc00d4466";> - Reason `GroupValuesRows` in Datafusion stores rows using `Rows`, and this bug may be triggered when calling `emit` function. https://github.com/apache/arrow-rs/blob/49e714de6e951169d0d5e73381af247ad0230fcf/arrow-row/src/variable.rs#L217-L226 **To Reproduce** <!-- Steps to reproduce the behavior: --> **Expected behavior** <!-- A clear and concise description of what you expected to happen. --> **Additional context** <!-- Add any other context about the problem here. --> -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
