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#pragma once
#include "comp_factory_utils.h"
#include <memory>
namespace NYql {
class TPgOpBase {
public:
TPgOpBase() = default;
~TPgOpBase() = default;
private:
const NKikimr::NMiniKQL::TThrowingBindTerminator BindTerminator;
};
// Base class for sign computation
class TPgSign: public TPgOpBase {
public:
class TCallState {
public:
virtual TMaybe<i32> GetSign(const NUdf::TUnboxedValue& value) = 0;
virtual ~TCallState() = default;
};
virtual ~TPgSign() = default;
virtual std::unique_ptr<TCallState> MakeCallState() const = 0;
static std::unique_ptr<TPgSign> Create(ui32 inputTypeOid);
};
// Concrete comparison operator: operName is "<" or ">"
class TPgCompareOp: public TPgOpBase {
public:
TPgCompareOp(ui32 lhsTypeOid, ui32 rhsTypeOid, std::string_view operName);
class TCallState {
public:
explicit TCallState(const TPgResolvedCallWithCast& call);
TMaybe<bool> Compare(const NUdf::TUnboxedValue& lhs, const NUdf::TUnboxedValue& rhs);
private:
TPgResolvedCallWithCastState State;
const TPgResolvedCallWithCast& Call;
};
TCallState MakeCallState() const;
private:
TPgResolvedCallWithCast Call;
};
} // namespace NYql
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