ClickHouse/dbms/include/DB/Parsers/ASTSet.h
2014-12-17 18:51:21 +03:00

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#pragma once
#include <DB/Interpreters/Set.h>
#include <DB/Parsers/IAST.h>
namespace DB
{
/** Множество. В процессе вычисления, на множество заменяется выражение в секции IN
* - подзапрос или явное перечисление значений.
*/
class ASTSet : public IAST
{
public:
SetPtr set;
String column_name;
bool is_explicit = false;
ASTSet(const String & column_name_) : column_name(column_name_) {}
ASTSet(const StringRange range_, const String & column_name_) : IAST(range_), column_name(column_name_) {}
String getID() const override { return "Set_" + getColumnName(); }
ASTPtr clone() const override { return new ASTSet(*this); }
String getColumnName() const override { return column_name; }
};
}