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#include <sqlext.h>
#include "odbc-param.h"
#include "odbc-command.h"
#include "odbc-error.h"
#include <cstring>
ODBC::Param::Param() :
paramCmd(nullptr),
paramIdx(0),
paramBound(false),
dataLength(0)
{
}
ODBC::Param::Param(Command * c, unsigned int i) :
paramCmd(c),
paramIdx(i),
paramBound(false),
dataLength(0)
{
}
template <class ParamType>
ParamType *
ODBC::Command::makeParam(unsigned int idx)
{
if (idx >= params.size()) {
throw DB::ParameterOutOfRange();
}
auto & p = params[idx];
if (p) {
if (auto np = dynamic_cast<ParamType*>(p.get())) {
return np;
}
}
p = std::make_unique<ParamType>(this, idx);
return static_cast<ParamType *>(p.get());
}
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);
}
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(bool, BooleanParam, B);
SIMPLEBINDER(double, FloatingPointParam, F);
SIMPLEBINDER(float, FloatingPointParam, F);
SIMPLEBINDER(const Glib::ustring &, StdStringParam, S);
SIMPLEBINDER(const std::string_view &, StdStringParam, S);
SIMPLEBINDER(const boost::posix_time::ptime &, TimeStampParam, T);
SIMPLEBINDER(const boost::posix_time::time_duration &, IntervalParam, T);
void
ODBC::Command::bindNull(unsigned int i)
{
makeParam<NullParam>(i)->bind();
}
ODBC::StdStringParam &
ODBC::StdStringParam::operator=(Glib::ustring const & d)
{
const char * addr = data.data();
data = d;
bindLen = d.bytes();
paramBound &= (addr == data.data());
if (!paramBound) {
paramBound = false;
bind();
}
return *this;
}
ODBC::StdStringParam &
ODBC::StdStringParam::operator=(std::string_view const & d)
{
const char * addr = data.data();
data = d;
bindLen = d.length();
paramBound &= (addr == data.data());
if (!paramBound) {
paramBound = false;
bind();
}
return *this;
}
ODBC::TimeStampParam &
ODBC::TimeStampParam::operator=(const boost::posix_time::ptime & d)
{
data.year = d.date().year();
data.month = d.date().month();
data.day = d.date().day();
data.hour = d.time_of_day().hours();
data.minute = d.time_of_day().minutes();
data.second = d.time_of_day().seconds();
data.fraction = d.time_of_day().fractional_seconds();
return *this;
}
ODBC::IntervalParam &
ODBC::IntervalParam::operator=(const boost::posix_time::time_duration & d)
{
data.interval_type = SQL_IS_DAY_TO_SECOND;
data.interval_sign = d.is_negative();
data.intval.day_second.day = d.hours() / 24;
data.intval.day_second.hour = d.hours() % 24;
data.intval.day_second.minute = d.minutes();
data.intval.day_second.second = d.seconds();
data.intval.day_second.fraction = d.fractional_seconds();
return *this;
}
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