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#include "odbc-param.h"
#include "command.h"
#include "odbc-command.h"
#include "odbc-error.h"
#include "odbc-param_fwd.h"
#include <boost/date_time/date.hpp>
#include <boost/date_time/gregorian_calendar.hpp>
#include <boost/date_time/time.hpp>
#include <memory>
#include <sqlext.h>
namespace Glib {
class ustring;
}
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) {
SQLRETURN rc = SQLBindParameter(paramCmd->hStmt, static_cast<SQLUSMALLINT>(paramIdx + 1), SQL_PARAM_INPUT,
ctype(), stype(), size(), dp(), const_cast<void *>(dataAddress()), static_cast<SQLLEN>(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 = static_cast<SQLLEN>(d.bytes());
// cppcheck-suppress invalidContainer
if (addr != data.data()) {
paramBound = false;
bind();
}
return *this;
}
ODBC::StdStringParam &
ODBC::StdStringParam::operator=(const std::string_view d)
{
const char * addr = data.data();
data = d;
bindLen = static_cast<SQLLEN>(d.length());
// cppcheck-suppress invalidContainer
if (addr != data.data()) {
paramBound = false;
bind();
}
return *this;
}
ODBC::TimeStampParam &
ODBC::TimeStampParam::operator=(const boost::posix_time::ptime d)
{
data.year = static_cast<SQLSMALLINT>(d.date().year());
data.month = d.date().month();
data.day = d.date().day();
data.hour = static_cast<SQLUSMALLINT>(d.time_of_day().hours());
data.minute = static_cast<SQLUSMALLINT>(d.time_of_day().minutes());
data.second = static_cast<SQLUSMALLINT>(d.time_of_day().seconds());
data.fraction = static_cast<SQLUSMALLINT>(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 = static_cast<SQLUSMALLINT>(d.hours() / 24);
data.intval.day_second.hour = static_cast<SQLUSMALLINT>(d.hours() % 24);
data.intval.day_second.minute = static_cast<SQLUSMALLINT>(d.minutes());
data.intval.day_second.second = static_cast<SQLUSMALLINT>(d.seconds());
data.intval.day_second.fraction = static_cast<SQLUSMALLINT>(d.fractional_seconds());
return *this;
}
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