Gowthami03B commented on code in PR #614:
URL: https://github.com/apache/iceberg-python/pull/614#discussion_r1610651660
##########
pyiceberg/table/__init__.py:
##########
@@ -3537,6 +3537,106 @@ def update_partitions_map(
schema=table_schema,
)
+ def files(self, snapshot_id: Optional[int] = None) -> "pa.Table":
+ import pyarrow as pa
+
+ from pyiceberg.io.pyarrow import schema_to_pyarrow
+
+ schema = self.tbl.metadata.schema()
+ readable_metrics_struct = []
+
+ def _readable_metrics_struct(bound_type: PrimitiveType) ->
pa.StructType:
+ pa_bound_type = schema_to_pyarrow(bound_type)
+ return pa.struct([
+ pa.field("column_size", pa.int64(), nullable=True),
+ pa.field("value_count", pa.int64(), nullable=True),
+ pa.field("null_value_count", pa.int64(), nullable=True),
+ pa.field("nan_value_count", pa.int64(), nullable=True),
+ pa.field("lower_bound", pa_bound_type, nullable=True),
+ pa.field("upper_bound", pa_bound_type, nullable=True),
+ ])
+
+ for field in self.tbl.metadata.schema().fields:
+ readable_metrics_struct.append(
+ pa.field(schema.find_column_name(field.field_id),
_readable_metrics_struct(field.field_type), nullable=False)
+ )
+
+ files_schema = pa.schema([
+ pa.field('content', pa.int8(), nullable=False),
+ pa.field('file_path', pa.string(), nullable=False),
+ pa.field('file_format', pa.dictionary(pa.int32(), pa.string()),
nullable=False),
+ pa.field('spec_id', pa.int32(), nullable=False),
+ pa.field('record_count', pa.int64(), nullable=False),
+ pa.field('file_size_in_bytes', pa.int64(), nullable=False),
+ pa.field('column_sizes', pa.map_(pa.int32(), pa.int64()),
nullable=True),
+ pa.field('value_counts', pa.map_(pa.int32(), pa.int64()),
nullable=True),
+ pa.field('null_value_counts', pa.map_(pa.int32(), pa.int64()),
nullable=True),
+ pa.field('nan_value_counts', pa.map_(pa.int32(), pa.int64()),
nullable=True),
+ pa.field('lower_bounds', pa.map_(pa.int32(), pa.binary()),
nullable=True),
+ pa.field('upper_bounds', pa.map_(pa.int32(), pa.binary()),
nullable=True),
+ pa.field('key_metadata', pa.binary(), nullable=True),
+ pa.field('split_offsets', pa.list_(pa.int64()), nullable=True),
+ pa.field('equality_ids', pa.list_(pa.int32()), nullable=True),
+ pa.field('sort_order_id', pa.int32(), nullable=True),
+ pa.field('readable_metrics', pa.struct(readable_metrics_struct),
nullable=True),
+ ])
+
+ files = []
+
+ snapshot = self._get_snapshot(snapshot_id)
+ if not snapshot:
+ return pa.pylist([])
Review Comment:
This code actually needs to be removed. _get_snapshot_ raises an error for
invalid snapshotId's and gets the current snapshot if present or raises an
error -
```
if snapshot := self.tbl.metadata.current_snapshot():
return snapshot
else:
raise ValueError("Cannot get a snapshot as the table does not have any.")
```
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