fn r#in()

in crates/iceberg/src/expr/visitors/manifest_evaluator.rs [346:374]

• 25 lines of code
• 7 McCabe index (conditional complexity)

    fn r#in(
        &mut self,
        reference: &BoundReference,
        literals: &FnvHashSet<Datum>,
        _predicate: &BoundPredicate,
    ) -> crate::Result<bool> {
        let field = self.field_summary_for_reference(reference);
        if field.lower_bound.is_none() {
            return ROWS_CANNOT_MATCH;
        }

        if literals.len() > IN_PREDICATE_LIMIT {
            return ROWS_MIGHT_MATCH;
        }

        if let Some(lower_bound) = &field.lower_bound {
            if literals.iter().all(|datum| lower_bound > datum) {
                return ROWS_CANNOT_MATCH;
            }
        }

        if let Some(upper_bound) = &field.upper_bound {
            if literals.iter().all(|datum| upper_bound < datum) {
                return ROWS_CANNOT_MATCH;
            }
        }

        ROWS_MIGHT_MATCH
    }