Method is_not_null

crates/paimon/src/spec/predicate.rs:621–623

(&self, field: &str)

    }

    pub fn is_not_null(&self, field: &str) -> Result<Predicate> {
        self.leaf(field, PredicateOperator::IsNotNull, vec![])
    }

    /// Build a partition predicate: AND of equal/is_null for each (field_name, datum) pair.
    pub fn partition_predicate(&self, fields: &[(&str, Option<Datum>)]) -> Result<Predicate> {