rdblue commented on code in PR #5627:
URL: https://github.com/apache/iceberg/pull/5627#discussion_r956788235
##########
python/pyiceberg/table/metadata.py:
##########
@@ -327,24 +334,43 @@ def check_sort_orders(cls, values: Dict[str, Any]):
based on the spec. Implementations must throw an exception if a table’s
version is higher than the supported version."""
- table_uuid: UUID = Field(alias="table-uuid", default_factory=uuid.uuid4)
- """A UUID that identifies the table, generated when the table is created.
- Implementations must throw an exception if a table’s UUID does not match
- the expected UUID after refreshing metadata."""
-
last_sequence_number: int = Field(alias="last-sequence-number",
default=INITIAL_SEQUENCE_NUMBER)
"""The table’s highest assigned sequence number, a monotonically
increasing long that tracks the order of snapshots in a table."""
-class TableMetadata:
+TableMetadata = Union[TableMetadataV1, TableMetadataV2]
+
+
+def new_table_metadata(
+ schema: Schema, partition_spec: PartitionSpec, sort_order: SortOrder,
location: str, properties: Properties = EMPTY_DICT
+) -> TableMetadata:
+ fresh_schema = assign_fresh_schema_ids(schema)
+ fresh_partition_spec = assign_fresh_partition_spec_ids(partition_spec,
fresh_schema)
+ fresh_sort_order = assign_fresh_sort_order_ids(sort_order, schema,
fresh_schema)
+
+ return TableMetadataV2(
Review Comment:
Yeah, I almost commented last time. I think this is reasonable.
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