blob: cbb4c4a1de319ce02f2e45d2d4807225b6de930d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
#pragma once
#include <Common/FieldVisitors.h>
#include <Common/FieldVisitorConvertToNumber.h>
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;
bool operator() (Object &) const;
bool operator() (UUID &) const;
bool operator() (IPv4 &) const;
bool operator() (IPv6 &) const;
bool operator() (AggregateFunctionStateData &) const;
bool operator() (CustomType &) const;
bool operator() (bool &) const;
template <typename T>
bool operator() (DecimalField<T> & x) const
{
x += rhs.get<DecimalField<T>>();
return x.getValue() != T(0);
}
template <typename T>
requires is_big_int_v<T>
bool operator() (T & x) const
{
x += applyVisitor(FieldVisitorConvertToNumber<T>(), rhs);
return x != T(0);
}
};
}
|
