chaoyli commented on a change in pull request #1646: Support page compression in BetaRowset URL: https://github.com/apache/incubator-doris/pull/1646#discussion_r314298476
########## File path: be/src/olap/rowset/segment_v2/column_writer.cpp ########## @@ -226,10 +228,14 @@ Status ColumnWriter::_write_data_page(Page* page) { Status ColumnWriter::_write_physical_page(std::vector<Slice>* origin_data, PagePointer* pp) { std::vector<Slice>* output_data = origin_data; std::vector<Slice> compressed_data; - // TODO(zc): support compress - // if (_need_compress) { - // output_data = &compressed_data; - // } + + // Put compressor out of if block, because we should use compressor's + // content until this function finished. + PageCompressor compressor(_compress_codec); + if (_compress_codec != nullptr) { + RETURN_IF_ERROR(compressor.compress(*origin_data, &compressed_data)); + output_data = &compressed_data; + } // checksum uint8_t checksum_buf[sizeof(uint32_t)]; Review comment: if _opts.need_checksum is false, checksum_buf will be leaked. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@doris.apache.org For additional commands, e-mail: dev-h...@doris.apache.org