emkornfield commented on code in PR #242:
URL: https://github.com/apache/parquet-format/pull/242#discussion_r1603958795
##########
src/main/thrift/parquet.thrift:
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@@ -914,6 +1040,32 @@ struct RowGroup {
7: optional i16 ordinal
}
+struct RowGroupV3 {
+ /** REMOVED from v1: columns.
+ * Instead, decode each FileColumnMetadataV3 individually as needed.
+ */
+
+ /** Total byte size of all the uncompressed column data in this row group **/
+ 1: required i64 total_byte_size
Review Comment:
I guess it might be used for a proxy as to actual data size, but it isn't a
good one maybe we can keep it and always add another better field.
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