mapleFU commented on code in PR #197:
URL: https://github.com/apache/parquet-format/pull/197#discussion_r1148487083
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src/main/thrift/parquet.thrift:
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@@ -223,6 +223,17 @@ struct Statistics {
*/
5: optional binary max_value;
6: optional binary min_value;
+ /** The number of bytes the row/group or page would take if encoded with
plain-encoding */
+ 7: optional i64 plain_encoded_bytes;
+ /**
+ * When present there is expected to be one element corresponding to each
repetition (i.e. size=max repetition_leve)
+ * where each element represens the count of the number of times that
level occurs in the page/column chunk.
+ */
+ 8: optional list<i64> repetition_level_histogram;
Review Comment:
Oh, sorry for missunderstand this. How can we make full use of this
histogram?
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