andygrove opened a new issue, #352:
URL: https://github.com/apache/datafusion-comet/issues/352
### What is the problem the feature request solves?
We need to implement CAST from timestamp to numeric to match Spark's
behavior.
We can break this into multiple issues if needed.
The following example is casting timestamp `c` to different numeric types.
```
scala> spark.sql("select c, cast(c as boolean), cast(c as byte), cast(c as
short), cast(c as int), cast(c as long), cast(c as decimal) from t3").show
+-------------------+----+---+-----+----------+----------+----------+
| c| c| c| c| c| c| c|
+-------------------+----+---+-----+----------+----------+----------+
|2024-01-01 00:00:00|true|-16|25328|1704092400|1704092400|1704092400|
|2023-12-12 00:00:00|true|-16| 1264|1702364400|1702364400|1702364400|
+-------------------+----+---+-----+----------+----------+----------+
```
### Describe the potential solution
_No response_
### Additional context
_No response_
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