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https://issues.apache.org/jira/browse/ORC-683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun updated ORC-683:
------------------------------
Affects Version/s: (was: 1.6.4)
(was: 1.6.3)
(was: 1.4.5)
(was: 1.4.4)
> PPD: Make Floating point NaN check more strict
> ----------------------------------------------
>
> Key: ORC-683
> URL: https://issues.apache.org/jira/browse/ORC-683
> Project: ORC
> Issue Type: Improvement
> Affects Versions: 1.6.5, 1.7.0
> Reporter: Panagiotis Garefalakis
> Assignee: Panagiotis Garefalakis
> Priority: Minor
> Fix For: 1.6.6, 1.7.0
>
>
> ORC-629 added an extra check (part of RecordReaderImp) disabling PPD when
> DoubleColumnStats min, max or sum is a non-Finite number.
> However, the check is unnecessarily broad – the way stats are updated, using
> just sum for the check would suffice.
>
> [https://github.com/apache/orc/blob/master/java/core/src/java/org/apache/orc/impl/ColumnStatisticsImpl.java#L568]
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