Fokko commented on code in PR #5845:
URL: https://github.com/apache/iceberg/pull/5845#discussion_r989955442
##########
python/pyiceberg/expressions/base.py:
##########
@@ -867,3 +875,196 @@ def visit_unbound_predicate(self, predicate) ->
BooleanExpression:
def visit_bound_predicate(self, predicate) -> BooleanExpression:
return predicate
+
+
+ROWS_MIGHT_MATCH = True
+ROWS_CANNOT_MATCH = False
+IN_PREDICATE_LIMIT = 200
+
+
+def _from_byte_buffer(field_type: IcebergType, val: bytes):
+ if not isinstance(field_type, PrimitiveType):
+ raise ValueError(f"Expected a PrimitiveType, got: {type(field_type)}")
+ return from_bytes(field_type, val)
+
+
+class ManifestEvaluator(BoundBooleanExpressionVisitor[bool]):
Review Comment:
Yes, I went a bit back and forth on this. I don't like having a setter that
sets something very internal. I now created a function that returns a Callable,
that hides the visitor:
```python
def manifest_evaluator(
schema: Schema, partition_filter: UnboundPredicate, case_sensitive: bool
= True
) -> Callable[[ManifestFile], bool]:
evaluator = _ManifestEvalVisitor(schema, partition_filter,
case_sensitive)
return evaluator.eval
```
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