waitingkuo commented on issue #3096:
URL:
https://github.com/apache/arrow-datafusion/issues/3096#issuecomment-1210402986
extract has the same behavior
```bash
❯ select extract(hour from now());
Plan("Coercion from [Utf8, Timestamp(Nanosecond, Some(\"UTC\"))] to the
signature OneOf([Exact([Utf8, Date32]), Exact([Utf8, Date64]), Exact([Utf8,
Timestamp(Second, None)]), Exact([Utf8, Timestamp(Microsecond, None)]),
Exact([Utf8, Timestamp(Millisecond, None)]), Exact([Utf8, Timestamp(Nanosecond,
None)])]) failed.")
❯ select extract(hour from now()::timestamp);
+-------------------------------------------------------------------+
| datepart(Utf8("HOUR"),CAST(now() AS Timestamp(Nanosecond, None))) |
+-------------------------------------------------------------------+
| 6 |
+-------------------------------------------------------------------+
1 row in set. Query took 0.000 seconds.
```
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