simw opened a new issue, #1986:
URL: https://github.com/apache/iceberg-python/issues/1986
### Apache Iceberg version
0.9.0 (latest release)
### Please describe the bug 🐞
Preamble: using a local sqlite db:
```python
from pyiceberg.catalog import load_catalog
warehouse_path = "data/warehouse"
catalog = load_catalog(
"default",
**{
'type': 'sql',
"uri": f"sqlite:///{warehouse_path}/pyiceberg_catalog.db",
"warehouse": f"file://{warehouse_path}",
},
)
```
A pyiceberg UUID column works fine:
```python
from pyiceberg.schema import Schema
from pyiceberg.types import NestedField, UUIDType
schema = Schema(
NestedField(field_id=1, name="uuid", field_type=UUIDType(),
required=False),
)
catalog.create_table("default.test2", schema=schema)
```
But a pyarrow UUID column gives an error:
```python
import pyarrow as pa
schema = pa.schema([pa.field("foo", pa.uuid(), nullable=True)])
catalog.create_table("default.test4", schema=schema)
```
The exception is:
```
File
~/Code/Projects/others/icebergs/.venv/lib/python3.13/site-packages/pyiceberg/io/pyarrow.py:1032,
in _(obj, visitor)
1030 result = visit_pyarrow(field_type, visitor)
1031 except TypeError as e:
-> 1032 raise UnsupportedPyArrowTypeException(obj, f"Column '{obj.name}'
has an unsupported type: {field_type}") from e
1033 visitor.after_field(obj)
1035 return visitor.field(obj, result)
UnsupportedPyArrowTypeException: Column 'foo' has an unsupported type:
extension<arrow.uuid>
```
Related to https://github.com/simw/pydantic-to-pyarrow/issues/27
### Willingness to contribute
- [ ] I can contribute a fix for this bug independently
- [x] I would be willing to contribute a fix for this bug with guidance from
the Iceberg community
- [ ] I cannot contribute a fix for this bug at this time
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