#pragma once

#include <DataTypes/IDataType.h>

#include <Columns/ColumnVector.h>

#include <Core/UUID.h>

namespace DB

{

class DataTypeUUID : public IDataType

{

public:

static constexpr bool is_parametric = false;

using FieldType = UUID;

using ColumnType = ColumnVector<UUID>;

static constexpr auto type_id = TypeIndex::UUID;

const char * getFamilyName() const override { return "UUID"; }

TypeIndex getTypeId() const override { return type_id; }

Field getDefault() const override;

MutableColumnPtr createColumn() const override;

bool isParametric() const override { return false; }

bool haveSubtypes() const override { return false; }

bool equals(const IDataType & rhs) const override;

bool canBeUsedInBitOperations() const override { return true; }

bool canBeInsideNullable() const override { return true; }

bool canBePromoted() const override { return false; }

bool shouldAlignRightInPrettyFormats() const override { return false; }

bool textCanContainOnlyValidUTF8() const override { return true; }

bool isComparable() const override { return true; }

bool isValueUnambiguouslyRepresentedInContiguousMemoryRegion() const override { return true; }

bool isValueUnambiguouslyRepresentedInFixedSizeContiguousMemoryRegion() const override { return true; }

bool haveMaximumSizeOfValue() const override { return true; }

size_t getSizeOfValueInMemory() const override { return sizeof(UUID); }

bool isCategorial() const override { return true; }

bool canBeInsideLowCardinality() const override { return true; }

void updateHashImpl(SipHash &) const override {}

SerializationPtr doGetDefaultSerialization() const override;

};

}