myz540 commented on issue #1790:
URL:
https://github.com/apache/iceberg-python/issues/1790#issuecomment-2733588912
@kevinjqliu Would you be able to provide an example for the
`BucketTransform`?
I have tried two things and gotten errors for both:
```python
def create_lems_partitions_bucket():
return PartitionSpec(
PartitionField(
source_id=1,
field_id=1,
transform=BucketTransform(num_buckets=1000),
name="sid",
),
PartitionField(
source_id=2,
field_id=2,
transform=BucketTransform(num_buckets=100),
name="gene",
),
)
```
yields error: `ValueError: Could not find in old schema: 1: sid:
bucket[1000](1)`
```python
def create_lems_partitions_bucket():
return PartitionSpec(
PartitionField(
source_id=1,
field_id=1000,
transform=BucketTransform(num_buckets=1000),
name="sid_bucket",
),
PartitionField(
source_id=2,
field_id=2000,
transform=BucketTransform(num_buckets=100),
name="gene_bucket",
),
)
```
yields error: `ValueError: Could not find in old schema: 1000: sid_bucket:
bucket[1000](1)`
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