blob: ec0ce8568aeda014eebb4d4d72dbacc2e97e9088 (
plain)
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
|
#ifndef MY_COLUMN_H
#define MY_COLUMN_H
#include <column.h>
#include <mysql.h>
namespace MySQL {
class SelectCommand;
class ColumnBase : public DB::Column {
public:
ColumnBase(const char * name, unsigned int field);
[[nodiscard]] bool isNull() const override;
protected:
bool is_null;
long unsigned int length;
friend class SelectCommand;
};
class StringColumn : public ColumnBase {
public:
StringColumn(const char * name, unsigned int field, MYSQL_BIND * b, unsigned int len);
void apply(DB::HandleField &) const override;
std::vector<char> value;
long unsigned int length;
};
class NullColumn : public ColumnBase {
public:
NullColumn(const char * name, unsigned int field, MYSQL_BIND * b);
void apply(DB::HandleField &) const override;
};
template <class T, enum_field_types MT> class Column : public ColumnBase {
public:
Column(const char * name, unsigned int field, MYSQL_BIND * b);
void apply(DB::HandleField & h) const override;
T value;
};
}
#endif
|