comphead commented on PR #1680:
URL:
https://github.com/apache/datafusion-comet/pull/1680#issuecomment-2825758696
Now problem DF and Spark returns different value if count is null
DF returns empty array
```
> select array_repeat(null, arrow_cast(null, 'Int32'));
+---------------------------------------------------+
| array_repeat(NULL,arrow_cast(NULL,Utf8("Int32"))) |
+---------------------------------------------------+
| [] |
+---------------------------------------------------+
```
Spark returns NULL
```
scala> spark.sql("select array_repeat(1, null)").show(false)
+---------------------+
|array_repeat(1, NULL)|
+---------------------+
|NULL |
+---------------------+
```
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