tshauck commented on code in PR #11371:
URL: https://github.com/apache/datafusion/pull/11371#discussion_r1671441361
##########
datafusion/expr/src/planner.rs:
##########
@@ -161,6 +162,28 @@ pub trait ExprPlanner: Send + Sync {
) -> Result<PlannerResult<Vec<Expr>>> {
Ok(PlannerResult::Original(args))
}
+
+ /// Plans a `RawAggregateUDF` based on the given input expressions.
+ ///
+ /// Returns a `PlannerResult` containing either the planned aggregate
function or the original
+ /// input expressions if planning is not possible.
+ fn plan_aggregate_udf(
+ &self,
+ aggregate_function: RawAggregateUDF,
+ ) -> Result<PlannerResult<RawAggregateUDF>> {
+ Ok(PlannerResult::Original(aggregate_function))
Review Comment:
I'm not sure what the path is after that to getting from `count(1)` to
`count()` as we're talking about in
https://github.com/apache/datafusion/pull/11229 (that also works in `.select`).
I think until there's a clear path to that, I'm hesitant to expand the scope of
this PR.
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