Method schema

cpp/src/parquet/metadata.cc:713–713

int64_t RowGroupMetaData::file_offset() const { return impl_->file_offset(); }

const SchemaDescriptor* RowGroupMetaData::schema() const { return impl_->schema(); }

std::unique_ptr<ColumnChunkMetaData> RowGroupMetaData::ColumnChunk(int i) const {
  return impl_->ColumnChunk(i);