Method InitColumns

cpp/src/parquet/file_writer.cc:283–289

  }

  void InitColumns() {
    for (int i = 0; i < RowGroupSerializer::num_columns(); i++) {
      auto col_meta = metadata_->NextColumnChunk();
      const int32_t column_ordinal = next_column_index_++;
      column_writers_.push_back(CreateColumnWriterForColumn(col_meta, column_ordinal));
    }
  }

  std::shared_ptr<ColumnWriter> CreateColumnWriterForColumn(
      ColumnChunkMetaDataBuilder* col_meta, int32_t column_ordinal) const {