ClickHouse/dbms/include/DB/Parsers/ASTDropQuery.h
2011-12-12 06:15:34 +00:00

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#pragma once
#include <DB/Parsers/IAST.h>
namespace DB
{
/** DROP запрос
*/
class ASTDropQuery : public IAST
{
public:
bool detach; /// Запрос DETACH, а не DROP.
bool if_exists;
String database;
String table;
ASTDropQuery() {}
ASTDropQuery(StringRange range_) : IAST(range_), detach(false), if_exists(false) {}
/** Получить текст, который идентифицирует этот элемент. */
String getID() { return (detach ? "DetachQuery_" : "DropQuery_") + database + "_" + table; };
ASTPtr clone() const { return new ASTDropQuery(*this); }
};
}