2021-06-14 04:13:35 +00:00
|
|
|
#pragma once
|
|
|
|
|
|
|
|
#include <Common/FieldVisitors.h>
|
2022-09-18 03:16:08 +00:00
|
|
|
#include <Common/FieldVisitorConvertToNumber.h>
|
2021-06-14 04:13:35 +00:00
|
|
|
|
|
|
|
|
|
|
|
namespace DB
|
|
|
|
{
|
|
|
|
|
|
|
|
/** Implements `+=` operation.
|
|
|
|
* Returns false if the result is zero.
|
|
|
|
*/
|
|
|
|
class FieldVisitorSum : public StaticVisitor<bool>
|
|
|
|
{
|
|
|
|
private:
|
|
|
|
const Field & rhs;
|
|
|
|
public:
|
|
|
|
explicit FieldVisitorSum(const Field & rhs_);
|
|
|
|
|
|
|
|
// We can add all ints as unsigned regardless of their actual signedness.
|
|
|
|
bool operator() (Int64 & x) const;
|
|
|
|
bool operator() (UInt64 & x) const;
|
|
|
|
bool operator() (Float64 & x) const;
|
|
|
|
bool operator() (Null &) const;
|
|
|
|
bool operator() (String &) const;
|
|
|
|
bool operator() (Array &) const;
|
|
|
|
bool operator() (Tuple &) const;
|
|
|
|
bool operator() (Map &) const;
|
2021-08-20 21:11:22 +00:00
|
|
|
bool operator() (Object &) const;
|
2021-06-14 04:13:35 +00:00
|
|
|
bool operator() (UUID &) const;
|
2022-11-14 14:17:17 +00:00
|
|
|
bool operator() (IPv4 &) const;
|
|
|
|
bool operator() (IPv6 &) const;
|
2021-06-14 04:13:35 +00:00
|
|
|
bool operator() (AggregateFunctionStateData &) const;
|
2023-02-03 16:07:02 +00:00
|
|
|
bool operator() (CustomType &) const;
|
2022-01-18 11:52:27 +00:00
|
|
|
bool operator() (bool &) const;
|
2021-06-14 04:13:35 +00:00
|
|
|
|
|
|
|
template <typename T>
|
|
|
|
bool operator() (DecimalField<T> & x) const
|
|
|
|
{
|
2022-09-10 03:04:40 +00:00
|
|
|
x += rhs.get<DecimalField<T>>();
|
2021-06-14 04:13:35 +00:00
|
|
|
return x.getValue() != T(0);
|
|
|
|
}
|
|
|
|
|
2022-03-15 19:37:28 +00:00
|
|
|
template <typename T>
|
|
|
|
requires is_big_int_v<T>
|
2021-06-14 04:13:35 +00:00
|
|
|
bool operator() (T & x) const
|
|
|
|
{
|
2022-09-18 03:16:08 +00:00
|
|
|
x += applyVisitor(FieldVisitorConvertToNumber<T>(), rhs);
|
2021-06-14 04:13:35 +00:00
|
|
|
return x != T(0);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
}
|