summaryrefslogtreecommitdiff
path: root/libmysqlpp/my-column.h
blob: 2b59a494323e9cb3c4e29afc4d4028684906a2a2 (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:
			my_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