netapp-vaughan opened a new issue, #1007:
URL: https://github.com/apache/datafusion-python/issues/1007
**Is your feature request related to a problem or challenge? Please describe
what you are trying to do.**
N/A
**Describe the solution you'd like**
Using DataFusion functions, I'd like to be able to date_trunc in minutes. By
way of comparison, it's possible in Polars with the following code:
```
df = df.with_columns([
pl.col("dt").dt.truncate("5m").alias("dt")
])
```
**Describe alternatives you've considered**
I'm sure I could use the SQL context to do this instead as a workaround. I
looked at the `date_bin` function but I don't think that's what I need.
**Additional context**
Here's the error when trying to date_trunc down to 5m:
```
from datafusion import functions as F
df = df.with_columns(
F.date_trunc(lit("5m"), col("dt")).alias("dt"),
)
Exception: Execution error: Unsupported date_trunc granularity: 5m
```
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