Abdullahsab3 opened a new issue, #14209:
URL: https://github.com/apache/datafusion/issues/14209
### Is your feature request related to a problem or challenge?
The newly implemented generate_series UDTF seems to only supports integers.
Timestamps don't seem supported:
```sql
> select * from generate_series(now() - interval '1 year', now(), interval
'1 month');
Error during planning: First argument must be an integer literal
> select * from unnest(generate_series(now() - interval '1 year', now(),
interval '1 month'));
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| UNNEST(generate_series(now() - IntervalMonthDayNano("IntervalMonthDayNano
{ months: 12, days: 0, nanoseconds: 0
}"),now(),IntervalMonthDayNano("IntervalMonthDayNano { months: 1, days: 0,
nanoseconds: 0 }"))) |
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2024-01-20T12:53:39.484276Z
|
| 2024-02-20T12:53:39.484276Z
|
| 2024-03-20T12:53:39.484276Z
|
| 2024-04-20T12:53:39.484276Z
|
| 2024-05-20T12:53:39.484276Z
|
| 2024-06-20T12:53:39.484276Z
|
| 2024-07-20T12:53:39.484276Z
|
| 2024-08-20T12:53:39.484276Z
|
| 2024-09-20T12:53:39.484276Z
|
| 2024-10-20T12:53:39.484276Z
|
| 2024-11-20T12:53:39.484276Z
|
| 2024-12-20T12:53:39.484276Z
|
| 2025-01-20T12:53:39.484276Z
|
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
13 row(s) fetched.
Elapsed 0.035 seconds.
```
It would be nice to have similarly supported types as to the array
generate_series variant
Related PRs:
- https://github.com/apache/datafusion/pull/13856/files
- https://github.com/apache/datafusion/pull/13540
### Describe the solution you'd like
_No response_
### Describe alternatives you've considered
_No response_
### Additional context
_No response_
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