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Posted to dev@lucene.apache.org by "Tom Hill (JIRA)" <ji...@apache.org> on 2015/12/15 21:20:46 UTC

[jira] [Created] (SOLR-8420) Date statistics: sumOfSquares overflows long

Tom Hill created SOLR-8420:
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             Summary: 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


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);



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