Function restoreVector

bolt/vector/VectorSaver.cpp:661–691

}

VectorPtr restoreVector(std::istream& in, memory::MemoryPool* pool) {
  BOLT_CHECK_NOT_NULL(pool);
  // Encoding.
  auto encoding = readEncoding(in);

  // Type kind.
  auto type = restoreType(in);

  // Vector size.
  auto size = read<int32_t>(in);

  switch (encoding) {
    case Encoding::kFlat:
      if (type->isRow()) {
        return readRowVector(type, size, in, pool);
      } else if (type->isArray()) {
        return readArrayVector(type, size, in, pool);
      } else if (type->isMap()) {
        return readMapVector(type, size, in, pool);
      }
      return readFlatVector(type, size, in, pool);
    case Encoding::kConstant:
      return readConstantVector(type, size, in, pool);
    case Encoding::kDictionary:
      return readDictionaryVector(type, size, in, pool);
    case Encoding::kLazy:
      return readLazyVector(type, size, in, pool);
    default:
      BOLT_UNREACHABLE();
  }
}

VectorPtr restoreVectorFromFile(
    const char* FOLLY_NONNULL filePath,