ClickHouse/dbms/src/Parsers/ASTPartition.h
2019-06-25 16:10:09 +03:00

28 lines
603 B
C++

#pragma once
#include <Parsers/IAST.h>
#include <common/StringRef.h>
namespace DB
{
/// Either a (possibly compound) expression representing a partition value or a partition ID.
class ASTPartition : public IAST
{
public:
ASTPtr value;
String fields_str; /// The extent of comma-separated partition expression fields without parentheses.
size_t fields_count = 0;
String id;
String getID(char) const override;
ASTPtr clone() const override;
protected:
void formatImpl(const FormatSettings & settings, FormatState & state, FormatStateStacked frame) const override;
};
}