kevinjqliu commented on code in PR #3817:
URL: https://github.com/apache/iceberg-python/pull/3817#discussion_r3832754689
##########
pyiceberg/expressions/visitors.py:
##########
@@ -1880,25 +1880,29 @@ def visit_not_nan(self, term: BoundTerm) ->
BooleanExpression:
return self.visit_true()
def visit_less_than(self, term: BoundTerm, literal: LiteralValue) ->
BooleanExpression:
- if term.eval(self.struct) < literal.value:
+ value = term.eval(self.struct)
+ if value is None or value < literal.value:
Review Comment:
Fixed. Null identity values now return `AlwaysFalse` for all ordered
comparisons, consistent with row evaluation. Added public
`DataScan.count()`/`to_arrow()` regression coverage and a Spark cross-engine
integration test.
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