fn eq()

in crates/iceberg/src/expr/visitors/manifest_evaluator.rs [206:231]

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

    fn eq(
        &mut self,
        reference: &BoundReference,
        datum: &Datum,
        _predicate: &BoundPredicate,
    ) -> crate::Result<bool> {
        let field = self.field_summary_for_reference(reference);

        if field.lower_bound.is_none() || field.upper_bound.is_none() {
            return ROWS_CANNOT_MATCH;
        }

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

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

        ROWS_MIGHT_MATCH
    }