kevinjqliu commented on code in PR #3817:
URL: https://github.com/apache/iceberg-python/pull/3817#discussion_r3836417650
##########
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:
this ones slightly different. the issue is that the `term.eval(self.struct)`
can resolve to `None`, and in python
`None < literal.value` comparison is a type error.
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