Jefffrey opened a new issue, #5557: URL: https://github.com/apache/arrow-datafusion/issues/5557
**Describe the bug** <!-- A clear and concise description of what the bug is. --> If trying to get median on empty input/dataframe a confusing error is returned **To Reproduce** <!-- Steps to reproduce the behavior: --> ```sql DataFusion CLI v20.0.0 ❯ select median(a) from (select 1 as a where 1=0); Internal error: Empty iterator passed to ScalarValue::iter_to_array. This was likely caused by a bug in DataFusion's code and we would welcome that you file an bug report in our issue tracker ❯ ``` **Expected behavior** <!-- A clear and concise description of what you expected to happen. --> Either return some sensible value (e.g. null) or a more informative error message **Additional context** <!-- Add any other context about the problem here. --> This also affects the dataframe `describe(...)` method which uses median -- 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]
