Method MergeTable

cpp/src/arrow/util/hashing.h:535–544

defined here so that `HashTableType` is visible Merge entries from `other_table` into `this->hash_table_`.

  // defined here so that `HashTableType` is visible
  // Merge entries from `other_table` into `this->hash_table_`.
  Status MergeTable(const ScalarMemoTable& other_table) {
    const HashTableType& other_hashtable = other_table.hash_table_;

    other_hashtable.VisitEntries([this](const HashTableEntry* other_entry) {
      int32_t unused;
      ARROW_DCHECK_OK(this->GetOrInsert(other_entry->payload.value, &unused));
    });
    // TODO: ARROW-17074 - implement proper error handling
    return Status::OK();
  }
};

// ----------------------------------------------------------------------