pedroalves5770 opened a new issue, #35963:
URL: https://github.com/apache/superset/issues/35963
### Bug description
In a dataset where a date column has null values (patient discharge while
still under care), the superset does not recognize it as datetime.
If I filter a column not classified as datetime (which has null values), it
filters as "ALTA" >= '2025-10-03 00:00:00.000000', which results in an error.
When I filter a datetime column (when it doesn't have null values), it
filters as "ALTA_MEDICA" >= TO_DATE('2025-01-01T00:00:00',
'YYYY-MM-DD"T"HH24:MI:SS'), which works.
What can I do to make the superset correctly filter a date column that is
not classified as datetime?
I can't create another dataset that doesn't consider the null values.
### Screenshots/recordings
_No response_
### Superset version
4.1.3
### Python version
3.9
### Node version
16
### Browser
Chrome
### Additional context
_No response_
### Checklist
- [ ] I have searched Superset docs and Slack and didn't find a solution to
my problem.
- [ ] I have searched the GitHub issue tracker and didn't find a similar bug
report.
- [ ] I have checked Superset's logs for errors and if I found a relevant
Python stacktrace, I included it here as text in the "additional context"
section.
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