Method is_geography

cpp/src/parquet/types.cc:848–850

  return impl_->type() == LogicalType::Type::GEOMETRY;
}
bool LogicalType::is_geography() const {
  return impl_->type() == LogicalType::Type::GEOGRAPHY;
}
bool LogicalType::is_variant() const {
  return impl_->type() == LogicalType::Type::VARIANT;
}