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ASF GitHub Bot commented on PARQUET-2261: ----------------------------------------- mapleFU commented on code in PR #197: URL: https://github.com/apache/parquet-format/pull/197#discussion_r1302020927 ########## 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: (But to be honest...If `max rep == 0, max def == 1`, this is useless, and I think the configuration here would be a bit hacking...But I can try to POC it and see the cost of it) > [Format] Add statistics that reflect decoded size to metadata > ------------------------------------------------------------- > > Key: PARQUET-2261 > URL: https://issues.apache.org/jira/browse/PARQUET-2261 > Project: Parquet > Issue Type: Improvement > Components: parquet-format > Reporter: Micah Kornfield > Assignee: Micah Kornfield > Priority: Major > -- This message was sent by Atlassian Jira (v8.20.10#820010)