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#pragma once
#include "numeric.h"
#include <util/datetime/base.h>
namespace NClickHouse {
/** */
class TColumnDate: public TColumn {
public:
static TIntrusivePtr<TColumnDate> Create();
static TIntrusivePtr<TColumnDate> Create(const TVector<TInstant>& data);
/// Appends one element to the end of column.
void Append(const TInstant& value);
/// Returns element at given row number.
std::time_t At(size_t n) const;
/// Set element at given row number.
void SetAt(size_t n, const TInstant& value);
public:
/// Appends content of given column to the end of current one.
void Append(TColumnRef column) override;
/// Loads column data from input stream.
bool Load(TCodedInputStream* input, size_t rows) override;
/// Saves column data to output stream.
void Save(TCodedOutputStream* output) override;
/// Returns count of rows in the column.
size_t Size() const override;
/// Makes slice of the current column.
TColumnRef Slice(size_t begin, size_t len) override;
private:
TColumnDate();
TColumnDate(const TVector<TInstant>& data);
TIntrusivePtr<TColumnUInt16> Data_;
};
/** */
class TColumnDateTime: public TColumn {
public:
static TIntrusivePtr<TColumnDateTime> Create();
static TIntrusivePtr<TColumnDateTime> Create(const TVector<TInstant>& data);
/// Appends one element to the end of column.
void Append(const TInstant& value);
/// Returns element at given row number.
std::time_t At(size_t n) const;
/// Set element at given row number.
void SetAt(size_t n, const TInstant& value);
public:
/// Appends content of given column to the end of current one.
void Append(TColumnRef column) override;
/// Loads column data from input stream.
bool Load(TCodedInputStream* input, size_t rows) override;
/// Saves column data to output stream.
void Save(TCodedOutputStream* output) override;
/// Returns count of rows in the column.
size_t Size() const override;
/// Makes slice of the current column.
TColumnRef Slice(size_t begin, size_t len) override;
private:
TColumnDateTime();
TColumnDateTime(const TVector<TInstant>& data);
TIntrusivePtr<TColumnUInt32> Data_;
};
}
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