Method addref

src/QLPredicate.h:343–343

// Distinct Predicate
struct DistinctPredicate : IPredicate, ReferenceCounted<DistinctPredicate>, FastAllocated<DistinctPredicate> {
	void addref() override { ReferenceCounted<DistinctPredicate>::addref(); }
	void delref() override { ReferenceCounted<DistinctPredicate>::delref(); }

	explicit DistinctPredicate(const std::string& fieldName);