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40 lines
716 B
C++
40 lines
716 B
C++
#pragma once
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#include <DB/DataTypes/IDataType.h>
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#include <DB/Parsers/IAST.h>
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namespace DB
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{
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/** Подзарос SELECT
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*/
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class ASTSubquery : public IAST
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{
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public:
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ASTSubquery() = default;
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ASTSubquery(const StringRange range_) : IAST(range_) {}
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/** Получить текст, который идентифицирует этот элемент. */
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String getID() const override { return "Subquery"; }
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ASTPtr clone() const override
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{
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const auto res = new ASTSubquery{*this};
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ASTPtr ptr{res};
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res->children.clear();
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for (const auto & child : children)
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res->children.emplace_back(child->clone());
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return ptr;
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}
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String getColumnName() const override { return getTreeID(); }
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};
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}
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