jqin61 commented on code in PR #453:
URL: https://github.com/apache/iceberg-python/pull/453#discussion_r1498025856
##########
pyiceberg/partitioning.py:
##########
@@ -215,3 +240,53 @@ def assign_fresh_partition_spec_ids(spec: PartitionSpec,
old_schema: Schema, fre
)
)
return PartitionSpec(*partition_fields, spec_id=INITIAL_PARTITION_SPEC_ID)
+
+
+@dataclass(frozen=True)
+class PartitionFieldValue:
+ field: PartitionField
+ value: Any
+
+
+@dataclass(frozen=True)
+class PartitionKey:
+ raw_partition_field_values: List[PartitionFieldValue]
+ partition_spec: PartitionSpec
+ schema: Schema
+
+ @cached_property
+ def partition(self) -> Record: # partition key in iceberg type
+ iceberg_typed_key_values = {}
+ for raw_partition_field_value in self.raw_partition_field_values:
+ partition_fields =
self.partition_spec.source_id_to_fields_map[raw_partition_field_value.field.source_id]
+ assert len(partition_fields) == 1
Review Comment:
👍 removing
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