fn eq()

in crates/iceberg/src/expr/visitors/page_index_evaluator.rs [538:569]

• 28 lines of code
• 6 McCabe index (conditional complexity)

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

        self.calc_row_selection(
            field_id,
            |min, max, nulls| {
                if matches!(nulls, PageNullCount::AllNull) {
                    return Ok(false);
                }

                if let Some(min) = min {
                    if min.gt(datum) {
                        return Ok(false);
                    }
                }

                if let Some(max) = max {
                    if max.lt(datum) {
                        return Ok(false);
                    }
                }

                Ok(true)
            },
            MissingColBehavior::CantMatch,
        )
    }