[SOLR-8420] Date statistics: sumOfSquares overflows long

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 5.4
• Fix Version/s: 5.5.1, 6.0
• Component/s: SearchComponents - other
• Assignee: Tomas Eduardo Fernandez Lobbe
• Reporter: Tom Hill
• Created: 15/Dec/15 20:20
• Updated: 09/May/16 18:57
• Resolved: 21/Apr/16 22:31

Description

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);