blob: 6bf2669186ba96d9f2fb5736a645475a31a51153 (
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
|
#ifndef PG_COLUMN_H
#define PG_COLUMN_H
#include "pq-helpers.h"
#include <column.h>
#include <cstring>
#include <libpq-fe.h>
namespace PQ {
class SelectBase;
class Column : public DB::Column {
public:
Column(const SelectBase *, unsigned int field);
[[nodiscard]] bool isNull() const override;
void apply(DB::HandleField &) const override;
protected:
template<typename T>
inline T
valueAs() const
{
T v {};
std::memcpy(&v, value(), sizeof(T));
return v;
}
const char * value() const;
std::size_t length() const;
const SelectBase * sc;
const Oid oid;
// Buffer for PQunescapeBytea
using BufPtr = std::unique_ptr<unsigned char, pq_deleter<PQfreemem>>;
mutable BufPtr buf;
};
}
#endif
|
