jayzhan211 commented on code in PR #9108: URL: https://github.com/apache/arrow-datafusion/pull/9108#discussion_r1501348925
########## datafusion/physical-expr/src/array_expressions.rs: ########## @@ -433,6 +435,7 @@ pub fn array_element(args: &[ArrayRef]) -> Result<ArrayRef> { let indexes = as_int64_array(&args[1])?; general_array_element::<i64>(array, indexes) } + DataType::Null => Ok(args[0].clone()), Review Comment: Maybe we can just ignore nulls as first argument since we are not coerce them to any other type. Unlike, array_append(arr, null) as second argument, in this case we will convert to other primitives. -- 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: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org