def visit_not_equal()

in pyiceberg/expressions/visitors.py [0:0]

• 16 lines of code
• 10 McCabe index (conditional complexity)

    def visit_not_equal(self, term: BoundTerm[L], literal: Literal[L]) -> bool:
        # Rows must match when X < Min or Max < X because it is not in the range
        field_id = term.ref().field.field_id

        if self._can_contain_nulls(field_id) or self._can_contain_nans(field_id):
            return ROWS_MUST_MATCH

        field = self._get_field(field_id)

        if lower_bytes := self.lower_bounds.get(field_id):
            lower = _from_byte_buffer(field.field_type, lower_bytes)

            if self._is_nan(lower):
                # NaN indicates unreliable bounds.
                # See the _StrictMetricsEvaluator docs for more.
                return ROWS_MIGHT_NOT_MATCH

            if lower > literal.value:
                return ROWS_MUST_MATCH

        if upper_bytes := self.upper_bounds.get(field_id):
            upper = _from_byte_buffer(field.field_type, upper_bytes)

            if upper < literal.value:
                return ROWS_MUST_MATCH

        return ROWS_MIGHT_NOT_MATCH