void ColumnFixedString::gather(ColumnGathererStream & gatherer) { gatherer.gather(*this); }
void ColumnArray::gather(ColumnGathererStream & gatherer) { gatherer.gather(*this); }
void ColumnVector<T>::gather(ColumnGathererStream & gatherer) { gatherer.gather(*this); }
void ColumnTuple::gather(ColumnGathererStream & gatherer) { gatherer.gather(*this); }