コード例 #1
0
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;
    }
  }
}
コード例 #2
0
void Cask::CdapOdbc::DataReader::fetchNull(const ColumnBinding& binding) {
  if (binding.getStrLenOrInd()) {
    *binding.getStrLenOrInd() = SQL_NULL_DATA;
  }
}