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https://issues.apache.org/jira/browse/ORC-629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gopal Vijayaraghavan resolved ORC-629.
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Fix Version/s: 1.7.0
Resolution: Fixed
> PPD: Floating point NaN is not transitive across comparisons
> ------------------------------------------------------------
>
> Key: ORC-629
> URL: https://issues.apache.org/jira/browse/ORC-629
> Project: ORC
> Issue Type: Bug
> Components: Java, Reader
> Affects Versions: 1.4.4, 1.4.5, 1.6.4
> Reporter: Gopal Vijayaraghavan
> Assignee: Panagiotis Garefalakis
> Priority: Major
> Fix For: 1.7.0
>
>
> Range comparisons don't work right for columns which start with Double.NaN as
> the first row (min == max == NaN).
> 1 < NaN is false.
> 1 > NaN is false.
> {code}
> File Version: 0.12 with ORC_135
> Rows: 3
> Compression: ZLIB
> Compression size: 32768
> Type:
> struct<operation:int,originalTransaction:bigint,bucket:int,rowId:bigint,currentTransaction:bigint,row:struct<c:double>>
> Stripe Statistics:
> Stripe 1:
> Column 0: count: 3 hasNull: false
> Column 1: count: 3 hasNull: false bytesOnDisk: 5 min: 0 max: 0 sum: 0
> Column 2: count: 3 hasNull: false bytesOnDisk: 5 min: 1 max: 1 sum: 3
> Column 3: count: 3 hasNull: false bytesOnDisk: 8 min: 536870912 max:
> 536870912 sum: 1610612736
> Column 4: count: 3 hasNull: false bytesOnDisk: 7 min: 0 max: 2 sum: 3
> Column 5: count: 3 hasNull: false bytesOnDisk: 5 min: 1 max: 1 sum: 3
> Column 6: count: 3 hasNull: false
> Column 7: count: 3 hasNull: false bytesOnDisk: 19 min: NaN max: NaN sum:
> NaN
> {code}
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