Method SetHeaderField

cpp/src/arrow/flight/sql/odbc/odbc_impl/odbc_descriptor.cc:86–133

}

void ODBCDescriptor::SetHeaderField(SQLSMALLINT field_identifier, SQLPOINTER value,
                                    SQLINTEGER buffer_length) {
  // Only these two fields can be set on the IRD.
  if (!is_writable_ && field_identifier != SQL_DESC_ARRAY_STATUS_PTR &&
      field_identifier != SQL_DESC_ROWS_PROCESSED_PTR) {
    throw DriverException("Cannot modify read-only descriptor", "HY016");
  }

  switch (field_identifier) {
    case SQL_DESC_ALLOC_TYPE:
      throw DriverException("Invalid descriptor field", "HY091");
    case SQL_DESC_ARRAY_SIZE:
      SetAttribute(value, array_size_);
      has_bindings_changed_ = true;
      break;
    case SQL_DESC_ARRAY_STATUS_PTR:
      SetPointerAttribute(value, array_status_ptr_);
      has_bindings_changed_ = true;
      break;
    case SQL_DESC_BIND_OFFSET_PTR:
      SetPointerAttribute(value, bind_offset_ptr_);
      has_bindings_changed_ = true;
      break;
    case SQL_DESC_BIND_TYPE:
      SetAttribute(value, bind_type_);
      has_bindings_changed_ = true;
      break;
    case SQL_DESC_ROWS_PROCESSED_PTR:
      SetPointerAttribute(value, rows_processed_ptr_);
      has_bindings_changed_ = true;
      break;
    case SQL_DESC_COUNT: {
      SQLSMALLINT new_count;
      SetAttribute(value, new_count);
      records_.resize(new_count);

      if (is_app_descriptor_ && new_count <= highest_one_based_bound_record_) {
        highest_one_based_bound_record_ = CalculateHighestBoundRecord(records_);
      } else {
        highest_one_based_bound_record_ = new_count;
      }
      has_bindings_changed_ = true;
      break;
    }
    default:
      throw DriverException("Invalid descriptor field", "HY091");
  }
}

void ODBCDescriptor::SetField(SQLSMALLINT record_number, SQLSMALLINT field_identifier,
                              SQLPOINTER value, SQLINTEGER buffer_length) {