void Cask::CdapOdbc::DataReader::fetchWVarchar(const wchar_t* str, const ColumnBinding& binding) {
assert(binding.getTargetType() == SQL_WCHAR || binding.getTargetType() == SQL_DEFAULT);
if (str) {
std::wstring uniStr = str;
size_t maxLength = static_cast<size_t>(binding.getBufferLength()) - 1;
size_t size = (uniStr.size() < maxLength) ? uniStr.size() : maxLength;
if (binding.getTargetValuePtr()) {
wchar_t* outString = static_cast<wchar_t*>(binding.getTargetValuePtr());
auto it = stdext::make_checked_array_iterator<wchar_t*>(outString, size);
std::copy(uniStr.begin(), uniStr.begin() + size, it);
outString[size] = 0;
}
if (binding.getStrLenOrInd()) {
if (size <= maxLength) {
*binding.getStrLenOrInd() = size;
} else {
*binding.getStrLenOrInd() = SQL_NO_TOTAL;
}
}
} else {
if (binding.getTargetValuePtr() && binding.getBufferLength() > 0) {
wchar_t* outString = static_cast<wchar_t*>(binding.getTargetValuePtr());
outString[0] = 0;
}
if (binding.getStrLenOrInd()) {
*binding.getStrLenOrInd() = SQL_NULL_DATA;
}
}
}
void Cask::CdapOdbc::DataReader::fetchNull(const ColumnBinding& binding) {
if (binding.getStrLenOrInd()) {
*binding.getStrLenOrInd() = SQL_NULL_DATA;
}
}