deniskuzZ commented on code in PR #6189:
URL: https://github.com/apache/hive/pull/6189#discussion_r2533210589
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ql/src/java/org/apache/hadoop/hive/ql/optimizer/stats/annotation/StatsRulesProcFactory.java:
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@@ -1285,15 +1285,20 @@ private long
evaluateComparatorWithHistogram(ColStatistics cs, long currNumRows,
try {
final float value = extractFloatFromLiteralValue(colTypeLowerCase,
boundValue);
- // kll ignores null values (i.e., kll.getN() + numNulls =
currNumRows), we therefore need to use kll.getN()
- // instead of currNumRows since the CDF is expressed as a fraction of
kll.getN(), not currNumRows
+ double rawSelectivity;
if (upperBound) {
- return Math.round(kll.getN() * (closedBound ?
- lessThanOrEqualSelectivity(kll, value) :
lessThanSelectivity(kll, value)));
+ rawSelectivity = (closedBound ?
Review Comment:
brackets seem redundant
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