kszucs opened a new issue #477:
URL: https://github.com/apache/arrow-rs/issues/477
The current type support is partial, here is a list about the unsupported
types:
```python
unsupported_types = [
pa.timestamp("us"),
pa.timestamp("us", tz="UTC"),
pa.timestamp("us", tz="Europe/Paris"),
pa.duration("s"),
pa.decimal128(19, 4),
pa.decimal256(76, 38),
pa.binary(10),
pa.list_(pa.int32(), 2),
pa.map_(pa.string(), pa.int32()),
pa.union(
[pa.field("a", pa.binary(10)), pa.field("b", pa.string())],
mode=pa.lib.UnionMode_DENSE,
),
pa.union(
[pa.field("a", pa.binary(10)), pa.field("b", pa.string())],
mode=pa.lib.UnionMode_DENSE,
type_codes=[4, 8],
),
pa.union(
[pa.field("a", pa.binary(10)), pa.field("b", pa.string())],
mode=pa.lib.UnionMode_SPARSE,
),
pa.union(
[
pa.field("a", pa.binary(10), nullable=False),
pa.field("b", pa.string()),
],
mode=pa.lib.UnionMode_SPARSE,
),
]
```
For more context see
https://github.com/apache/arrow-rs/pull/439/files#r653683238
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