Method PrintValue

be/src/runtime/raw-value.cc:93–135

}

void RawValue::PrintValue(const void* value, const ColumnType& type, int scale,
                          string* str) {
  if (value == NULL) {
    *str = NullLiteral(true);
    return;
  }

  const StringValue* string_val = NULL;
  bool val;
  string tmp;

  // Special case types that we can print more efficiently without using a stringstream
  switch (type.type) {
    case TYPE_BOOLEAN:
      val = *reinterpret_cast<const bool*>(value);
      *str = (val ? "true" : "false");
      return;
    case TYPE_STRING:
    case TYPE_VARCHAR:
      string_val = reinterpret_cast<const StringValue*>(value);
      tmp.assign(string_val->Ptr(), string_val->Len());
      str->swap(tmp);
      return;
    case TYPE_CHAR:
      *str = string(reinterpret_cast<const char*>(value), type.len);
      return;
    case TYPE_TIMESTAMP:
      *str = reinterpret_cast<const TimestampValue*>(value)->ToString();
      return;
    case TYPE_DATE:
      *str = reinterpret_cast<const DateValue*>(value)->ToString();
      return;
    default:
      break;
  }

  stringstream out;
  out.precision(ASCII_PRECISION);

  PrintValue(value, type, scale, &out);

  *str = out.str();
}

void RawValue::WriteNonNullPrimitive(const void* value, void* dst, const ColumnType& type,
    MemPool* pool) {