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Christine Poerschke commented on SOLR-8420: ------------------------------------------- sumOfSquares overflow, interesting. I wonder if {{DateStatsValues}}'s {{private long sum = 0;}} might perhaps become {{double}} also (similar to {{NumericStatsValues}}'s sum being a double already). > Date statistics: sumOfSquares overflows long > -------------------------------------------- > > Key: SOLR-8420 > URL: https://issues.apache.org/jira/browse/SOLR-8420 > Project: Solr > Issue Type: Bug > Components: SearchComponents - other > Affects Versions: 5.4 > Reporter: Tom Hill > Priority: Minor > Attachments: 0001-Fix-overflow-in-date-statistics.patch, > 0001-Fix-overflow-in-date-statistics.patch, StdDev.java > > > The values for Dates are large enough that squaring them overflows a "long" > field. This should be converted to a double. > StatsValuesFactory.java, line 755 DateStatsValues#updateTypeSpecificStats Add > a cast to double > sumOfSquares += ( (double)value * value * count); -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@lucene.apache.org For additional commands, e-mail: dev-h...@lucene.apache.org