appletreeisyellow opened a new issue, #6181:
URL: https://github.com/apache/arrow-datafusion/issues/6181
### Is your feature request related to a problem or challenge?
DataFusion is not able to parse the following SQL:
```
SELECT SUM("air_temperature"."sea_level_degrees") AS
"sum:sea_level_degrees:ok",
DATE_TRUNC( 'YEAR', CAST("air_temperature"."time" AS TIMESTAMP) ) AS
"tyr:time:ok"
FROM "iox"."air_temperature" "air_temperature"
GROUP BY 2
```
The error message I got is:
```
Unsupported date_trunc granularity: YEAR
```
### Describe the solution you'd like
Support YEAR in DATE_TRUNC
### Describe alternatives you've considered
_No response_
### Additional context
_No response_
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