jorisvandenbossche commented on issue #43908:
URL: https://github.com/apache/arrow/issues/43908#issuecomment-2326455436
@matteosdocsity trying to reproduce creating the Parquet files locally (to
see if there would be any noticeable difference between a file written by
pyarrow 12 vs 13), but I get an error running your code to create the pyarrow
table: `ArrowInvalid: Rescaling Decimal128 value would cause data loss`
To demonstrate with just the first Decimal value:
```python
>>> pa.array([Decimal('12345678901234567890.12345678901234567890')],
type=pa.decimal128(38, 18))
...
ArrowInvalid: Rescaling Decimal128 value would cause data loss
```
If I don't specify a specific decimal type but let it be inferred, I get the
following type:
```python
>>> pa.array([Decimal('12345678901234567890.12345678901234567890')]).type
Decimal256Type(decimal256(40, 20))
```
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