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
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
|
#include <sqlext.h>
#include "param.h"
#include "command.h"
#include "error.h"
#include <string.h>
ODBC::Param::Param() :
paramCmd(NULL),
paramIdx(0),
paramBound(false)
{
}
ODBC::Param::Param(Command * c, unsigned int i) :
paramCmd(c),
paramIdx(i),
paramBound(false)
{
}
ODBC::Param::~Param(){
}
template <class ParamType>
ParamType *
ODBC::Command::makeParam(unsigned int idx)
{
if (idx >= params.size()) {
throw Error("%s: Bind out of bounds", __FUNCTION__);
}
Param * & p = params[idx];
if (p) {
ParamType * np = dynamic_cast<ParamType *>(p);
if (np) {
return np;
}
delete p;
}
ParamType * np = new ParamType(this, idx);
p = np;
return np;
}
void
ODBC::Param::bind() const
{
if (!paramBound) {
RETCODE rc = SQLBindParameter(paramCmd->hStmt, paramIdx + 1, SQL_PARAM_INPUT, ctype(), stype(),
size(), dp(), const_cast<void *>(dataAddress()), size(), &bindLen);
if (!SQL_SUCCEEDED(rc)) {
throw Error(rc, SQL_HANDLE_STMT, paramCmd->hStmt, "%s: Bind for parameter %u",
__FUNCTION__, paramIdx);
}
paramBound = true;
}
}
#define SIMPLEBINDER(ctype, otype, suf) \
void \
ODBC::Command::bindParam##suf(unsigned int i, ctype val) \
{ \
ODBC::otype * p = makeParam<ODBC::otype>(i); \
*p = val; \
p->bind(); \
}
SIMPLEBINDER(int, SignedIntegerParam, I);
SIMPLEBINDER(long, SignedIntegerParam, I);
SIMPLEBINDER(long long, SignedIntegerParam, I);
SIMPLEBINDER(unsigned int, UnsignedIntegerParam, I);
SIMPLEBINDER(unsigned long int, UnsignedIntegerParam, I);
SIMPLEBINDER(unsigned long long int, UnsignedIntegerParam, I);
SIMPLEBINDER(double, FloatingPointParam, F);
SIMPLEBINDER(float, FloatingPointParam, F);
SIMPLEBINDER(const Glib::ustring &, GlibUstringParam, S);
SIMPLEBINDER(const struct tm *, TimeStampParam, T);
SIMPLEBINDER(const SQL_TIMESTAMP_STRUCT &, TimeStampParam, T);
SIMPLEBINDER(time_t, TimeStampParam, T);
void
ODBC::Command::bindNull(unsigned int i)
{
makeParam<NullParam>(i)->bind();
}
void
ODBC::GlibUstringParam::operator=(Glib::ustring const & d)
{
const char * addr = data.data();
data = d;
bindLen = d.bytes();
paramBound &= (addr == data.data());
if (!paramBound) {
paramBound = false;
bind();
}
}
void
ODBC::TimeStampParam::operator=(long const & d)
{
struct tm t;
gmtime_r(&d, &t);
data << t;
}
|
