deniskuzZ commented on code in PR #5674:
URL: https://github.com/apache/hive/pull/5674#discussion_r2009155605
##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/columnstats/aggr/LongColumnStatsAggregator.java:
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@@ -242,6 +242,24 @@ public ColumnStatisticsObj
aggregate(List<ColStatsObjWithSourceInfo> colStatsWit
}
statsObj.setStatsData(columnStatisticsData);
+
+ // NDV cannot exceed the number of integers within the given range.
Review Comment:
should we move the NDV correction logic inside of `extrapolate` and/or
extract to a separate method like `adjustNDV()`?
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