ClickHouse/dbms/src/Interpreters/AggregateDescription.h
2017-06-03 19:21:00 +03:00

23 lines
554 B
C++

#pragma once
#include <Core/ColumnNumbers.h>
#include <Core/Names.h>
#include <AggregateFunctions/IAggregateFunction.h>
namespace DB
{
struct AggregateDescription
{
AggregateFunctionPtr function;
Array parameters; /// Parameters of the (parametric) aggregate function.
ColumnNumbers arguments;
Names argument_names; /// used if no `arguments` are specified.
String column_name; /// What name to use for a column with aggregate function values
};
using AggregateDescriptions = std::vector<AggregateDescription>;
}