Method prepareForReuse

bolt/vector/BaseVector.cpp:892–900

          SelectivityVector::empty(), vector->type(), vector->pool(), vector);
  }
}

void BaseVector::prepareForReuse(VectorPtr& vector, vector_size_t size) {
  if (vector.use_count() != 1 || !isReusableEncoding(vector->encoding())) {
    vector = BaseVector::create(vector->type(), size, vector->pool());
    return;
  }

  vector->prepareForReuse();
  vector->resize(size);
}