mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-12-03 13:02:00 +00:00
40 lines
1.7 KiB
C++
40 lines
1.7 KiB
C++
#include <Common/FieldVisitorSum.h>
|
|
|
|
namespace DB
|
|
{
|
|
|
|
namespace ErrorCodes
|
|
{
|
|
extern const int LOGICAL_ERROR;
|
|
}
|
|
|
|
|
|
FieldVisitorSum::FieldVisitorSum(const Field & rhs_) : rhs(rhs_) {}
|
|
|
|
// We can add all ints as unsigned regardless of their actual signedness.
|
|
bool FieldVisitorSum::operator() (Int64 & x) const { return this->operator()(reinterpret_cast<UInt64 &>(x)); }
|
|
bool FieldVisitorSum::operator() (UInt64 & x) const
|
|
{
|
|
x += rhs.reinterpret<UInt64>();
|
|
return x != 0;
|
|
}
|
|
|
|
bool FieldVisitorSum::operator() (Float64 & x) const { x += get<Float64>(rhs); return x != 0; }
|
|
|
|
bool FieldVisitorSum::operator() (Null &) const { throw Exception("Cannot sum Nulls", ErrorCodes::LOGICAL_ERROR); }
|
|
bool FieldVisitorSum::operator() (NegativeInfinity &) const { throw Exception("Cannot sum -Inf", ErrorCodes::LOGICAL_ERROR); }
|
|
bool FieldVisitorSum::operator() (PositiveInfinity &) const { throw Exception("Cannot sum +Inf", ErrorCodes::LOGICAL_ERROR); }
|
|
bool FieldVisitorSum::operator() (String &) const { throw Exception("Cannot sum Strings", ErrorCodes::LOGICAL_ERROR); }
|
|
bool FieldVisitorSum::operator() (Array &) const { throw Exception("Cannot sum Arrays", ErrorCodes::LOGICAL_ERROR); }
|
|
bool FieldVisitorSum::operator() (Tuple &) const { throw Exception("Cannot sum Tuples", ErrorCodes::LOGICAL_ERROR); }
|
|
bool FieldVisitorSum::operator() (Map &) const { throw Exception("Cannot sum Maps", ErrorCodes::LOGICAL_ERROR); }
|
|
bool FieldVisitorSum::operator() (UUID &) const { throw Exception("Cannot sum UUIDs", ErrorCodes::LOGICAL_ERROR); }
|
|
|
|
bool FieldVisitorSum::operator() (AggregateFunctionStateData &) const
|
|
{
|
|
throw Exception("Cannot sum AggregateFunctionStates", ErrorCodes::LOGICAL_ERROR);
|
|
}
|
|
|
|
}
|
|
|