ngsg commented on code in PR #5674:
URL: https://github.com/apache/hive/pull/5674#discussion_r2025889555
##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/columnstats/aggr/LongColumnStatsAggregator.java:
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@@ -343,4 +356,23 @@ public void extrapolate(ColumnStatisticsData
extrapolateData, int numParts,
extrapolateLongData.setNumNulls(numNulls);
extrapolateLongData.setNumDVs(ndv);
}
+
+ private void adjustNDV(ColumnStatisticsData columnStatisticsData) {
+ // NDV cannot exceed the number of integers within the given range.
+ long numIntInRange = columnStatisticsData.getLongStats().getHighValue()
Review Comment:
Sure, I renamed it to `estimation`.
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