timsaucer commented on issue #874:
URL:
https://github.com/apache/datafusion-python/issues/874#issuecomment-2361418801
Verified. I have a fix I will push up tonight or first thing in the morning.
**Thank you for the bug report!**
In the mean time, are you able to use the udaf via dataframe APIs? I tested
the below without the correction, following your code:
```
import pyarrow as pa
from datafusion import col
batch = pa.RecordBatch.from_arrays(
[
pa.array([0, 1, 2, 3, 4, 5, 6]),
],
names=["a"],
)
df = ctx.create_dataframe([[batch]])
df.aggregate([], average_udaf(col("a")).alias("udaf")).show()
```
returns
```
DataFrame()
+------+
| udaf |
+------+
| 3.0 |
+------+
```
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