Function isDictionaryOverFlat

bolt/expression/PeeledEncoding.cpp:102–105

Returns true if 'wrapper' is a dictionary vector over a flat vector.

/// Returns true if 'wrapper' is a dictionary vector over a flat vector.
bool isDictionaryOverFlat(const BaseVector& wrapper) {
  return wrapper.encoding() == VectorEncoding::Simple::DICTIONARY &&
      wrapper.valueVector()->isFlatEncoding();
}
} // namespace

void PeeledEncoding::setDictionaryWrapping(