column_predicate.h

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#pragma once
 
#include "expression.h"
#include "cast.h"
#include "zone_map_check_result.h"
 
namespace kuzu {
namespace storage {
 
struct CompressionMetadata;
 
class ColumnPredicate;
class ColumnPredicateSet {
public:
    ColumnPredicateSet() = default;
    EXPLICIT_COPY_DEFAULT_MOVE(ColumnPredicateSet);
 
    void addPredicate(std::unique_ptr<ColumnPredicate> predicate) {
        predicates.push_back(std::move(predicate));
    }
 
    common::ZoneMapCheckResult checkZoneMap(const CompressionMetadata& metadata);
 
private:
    ColumnPredicateSet(const ColumnPredicateSet& other);
 
private:
    std::vector<std::unique_ptr<ColumnPredicate>> predicates;
};
 
class ColumnPredicate {
public:
    virtual ~ColumnPredicate() = default;
 
    virtual common::ZoneMapCheckResult checkZoneMap(const CompressionMetadata& metadata) const = 0;
 
    virtual std::unique_ptr<ColumnPredicate> copy() const = 0;
 
    template<class TARGET>
    const TARGET& constCast() const {
        return common::ku_dynamic_cast<const ColumnPredicate&, const TARGET&>(*this);
    }
};
 
struct ColumnPredicateUtil {
    static std::unique_ptr<ColumnPredicate> tryConvert(const binder::Expression& property,
        const binder::Expression& predicate);
};
 
} // namespace storage
} // namespace kuzu