Function GetOdbcErrorMessage

cpp/src/arrow/flight/sql/odbc/tests/odbc_test_suite.cc:447–470

}

std::string GetOdbcErrorMessage(SQLSMALLINT handle_type, SQLHANDLE handle) {
  using ODBC::SqlWcharToString;

  SQLWCHAR sql_state[7] = {};
  SQLINTEGER native_code;

  SQLWCHAR message[kOdbcBufferSize] = {};
  SQLSMALLINT real_len = 0;

  // On Windows, real_len is in bytes. On Linux, real_len is in chars.
  // So, not using real_len
  SQLGetDiagRec(handle_type, handle, 1, sql_state, &native_code, message, kOdbcBufferSize,
                &real_len);

  std::string res = SqlWcharToString(sql_state);

  if (res.empty() || !message[0]) {
    res = "Cannot find ODBC error message";
  } else {
    res.append(": ").append(SqlWcharToString(message));
  }

  return res;
}

bool WriteDSN(std::string connection_str) {
  Connection::ConnPropertyMap properties;