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36 lines
724 B
C
36 lines
724 B
C
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#pragma once
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#include <DB/DataTypes/IDataTypeDummy.h>
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namespace DB
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{
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/** Тип данных - кортеж.
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* Используется только как промежуточный вариант при вычислении выражений.
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*/
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class DataTypeTuple : public IDataTypeDummy
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{
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private:
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DataTypes elems;
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public:
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DataTypeTuple(DataTypes elems_) : elems(elems_) {}
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std::string getName() const
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{
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std::stringstream s;
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s << "Tuple(";
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for (DataTypes::const_iterator it = elems.begin(); it != elems.end(); ++it)
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s << (it == elems.begin() ? "" : ", ") << (*it)->getName();
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s << ")";
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return s.str();
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}
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SharedPtr<IDataType> clone() const { return new DataTypeTuple(elems); }
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};
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}
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