ClickHouse/src/Parsers/ASTProjectionDeclaration.h

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#pragma once
#include <Parsers/IAST.h>
namespace DB
{
/** name (subquery)
*/
class ASTProjectionDeclaration : public IAST
{
public:
String name;
IAST * query;
/** Get the text that identifies this element. */
String getID(char) const override { return "Projection"; }
ASTPtr clone() const override;
void formatImpl(const FormatSettings & s, FormatState & state, FormatStateStacked frame) const override;
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void forEachPointerToChild(std::function<void(void**)> f) override
{
f(reinterpret_cast<void **>(&query));
}
};
}