mapleFU commented on code in PR #197:
URL: https://github.com/apache/parquet-format/pull/197#discussion_r1303307879
##########
src/main/thrift/parquet.thrift:
##########
@@ -974,6 +1050,13 @@ struct ColumnIndex {
/** A list containing the number of null values for each page **/
5: optional list<i64> null_counts
+ /**
+ * Repetition and definition level histograms for the pages.
+ *
+ * This contains some redundancy with null_counts, however, to accommodate
the
+ * widest range of readers both should be populated.
+ **/
+ 6: optional list<RepetitionDefinitionLevelHistogram>
repetition_definition_level_histograms;
Review Comment:
I think `list<i64>` (or optional) for uncompressed size with same length as
"OffsetIndex" is suitable for you case. You can draft first since this patch
need 2 language impl as poc, so might take some time. And you can first store
in key-value-metadata to test if this works :-)
--
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.
To unsubscribe, e-mail: dev-unsubscr...@parquet.apache.org
For queries about this service, please contact Infrastructure at:
us...@infra.apache.org
