jayzhan211 opened a new issue, #8181: URL: https://github.com/apache/arrow-datafusion/issues/8181
### Is your feature request related to a problem or challenge? We cant deal with empty array for these three array function # Result ```text query ? select array_union([], []); ---- NULL query ? select array_except([], []); ---- NULL query error select array_intersect([], []); ---- DataFusion error: Optimizer rule 'simplify_expressions' failed caused by Internal error: could not cast value to arrow_array::array::list_array::GenericListArray<i32>. 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 ```text query ? select array_union([], []); ---- [] query ? select array_except([], []); ---- [] query error select array_intersect([], []); ---- [] ``` ### Describe the solution you'd like Able to deal with empty array ### Describe alternatives you've considered None ### Additional context _No response_ -- 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]
