samredai commented on code in PR #4619:
URL: https://github.com/apache/iceberg/pull/4619#discussion_r857183249
##########
python/src/iceberg/expressions/base.py:
##########
@@ -147,3 +148,61 @@ def get(self, container: StructProtocol) -> Any:
Any: The value at position `self.position` in the container
"""
return container.get(self.position)
+
+
+class BoundReference:
+ """A reference bound to a field with an accessor for acquiring the field's
value
+
+ Args:
+ field (NestedField): A referenced field in an Iceberg schema
+ accessor (Accessor): An Accessor object to access the value at the
field's position
+ """
+
+ def __init__(self, field: NestedField, accessor: Accessor):
+ self._field = field
+ self._accessor = accessor
+
+ def __str__(self):
+ return f"ref(id={self.field_id})"
+
+ def __repr__(self):
+ return f"BoundReference(field={repr(self.field)},
accessor={repr(self.accessor)})"
Review Comment:
Thanks for catching this, I added a repr to Accessor.
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