tshauck commented on PR #11229:
URL: https://github.com/apache/datafusion/pull/11229#issuecomment-2208093045
Thanks, your original reply was a bit confusing, but I think that makes
sense. Adding something new/generic was more than I had originally had in mind,
but I'll take a look at adding something like you mention in
`AggregateFunctionPlanner`.
Here's what I meant w.r.t. duckdb...
```
D EXPLAIN SELECT COUNT(*)
;
┌─────────────────────────────┐
│┌───────────────────────────┐│
││ Physical Plan ││
│└───────────────────────────┘│
└─────────────────────────────┘
┌───────────────────────────┐
│ UNGROUPED_AGGREGATE │
│ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ │
│ count_star() │
└─────────────┬─────────────┘
┌─────────────┴─────────────┐
│ DUMMY_SCAN │
└───────────────────────────┘
```
You're right on the dataframe you can do count with wildcard, but it doesn't
seem as analogous to `COUNT()`.
I'm traveling through the end of the weekend, but'll follow up when I've had
a chance to try this out.
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