comphead commented on issue #9320:
URL:
https://github.com/apache/arrow-datafusion/issues/9320#issuecomment-1984963256
Weird thing, it might be a bigger problem behind
```
DataFusion CLI v36.0.0
❯ select lag(a) over () as x1
from
(select 2 id, 'b' a union all select 1 id, null a union all select 3
id, null);
Arrow error: Invalid argument error: Column 'a' is declared as non-nullable
but contains null values
❯ select lag(a) over () as x1
from
(select 2 id, 'b' a union all select 1 id, null a union all select 3
id, null);
Arrow error: Invalid argument error: Column 'a' is declared as non-nullable
but contains null values
❯ select lag(a) over () as x1
from
(select 2 id, 'b' a union all select 1 id, null a union all select 3
id, null);
+----+
| x1 |
+----+
| |
| b |
| |
+----+
3 rows in set. Query took 0.013 seconds.
```
Will dive into it really quick
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