imay commented on a change in pull request #1577: Support Segment for BetaRowset
URL: https://github.com/apache/incubator-doris/pull/1577#discussion_r310452975
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File path: gensrc/proto/segment_v2.proto
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@@ -117,3 +121,39 @@ message FileFooterPB {
repeated MetadataPairPB file_meta_datas = 8; // meta data of file
optional PagePointerPB key_index_page = 9; // short key index page
}
+
+message ShortKeyFooterPB {
+ // How many index item in this index.
+ optional uint32 num_items = 1;
+ // The total bytes occupied by the index key
+ optional uint32 key_bytes = 2;
+ // The total bytes occupied by the key offsets
+ optional uint32 offset_bytes = 3;
+ // Segment id which this index is belong to
+ optional uint32 segment_id = 4;
+ // number rows in each block
+ optional uint32 num_rows_per_block = 5;
+ // How many rows in this segment
+ optional uint32 num_segment_rows = 6;
+ // Total bytes for this segment
+ optional uint32 segment_bytes = 7;
+}
+
+message SegmentHeaderPB {
+}
+
+message SegmentFooterPB {
+ optional uint32 version = 1 [default = 1]; // file version
+ repeated ColumnMetaPB columns = 2; // tablet schema
+ optional uint64 num_rows = 3; // number of values
+ optional uint64 index_footprint = 4; // total idnex footprint of all
columns
+ optional uint64 data_footprint = 5; // total data footprint of all columns
+ optional uint64 raw_data_footprint = 6; // raw data footprint
+
+ optional CompressionTypePB compress_type = 7 [default = ZSTB]; // default
compression type for file columns
Review comment:
OK. Now we haven't implement the compress function.
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