chenkovsky commented on code in PR #16538: URL: https://github.com/apache/datafusion/pull/16538#discussion_r2167849726
########## datafusion/sql/src/expr/function.rs: ########## @@ -375,6 +375,10 @@ impl<S: ContextProvider> SqlToRel<'_, S> { return plan_err!("WITHIN GROUP clause is required when calling ordered set aggregate function({})", fm.name()); } + if !fm.is_ordered_set_aggregate() && !within_group.is_empty() { + return plan_err!("WITHIN GROUP clause is not permitted for non-ordered set aggregate function({})", fm.name()); Review Comment: I think order-sensitive means order is necessary. but for array_agg, order is optional. -- 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...@datafusion.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: github-unsubscr...@datafusion.apache.org For additional commands, e-mail: github-h...@datafusion.apache.org