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Posted to issues@orc.apache.org by "Panagiotis Garefalakis (Jira)" <ji...@apache.org> on 2020/12/28 21:06:00 UTC

[jira] [Assigned] (ORC-709) FIX Boolean to String schema evolution

     [ https://issues.apache.org/jira/browse/ORC-709?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Panagiotis Garefalakis reassigned ORC-709:
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> FIX Boolean to String schema evolution
> --------------------------------------
>
>                 Key: ORC-709
>                 URL: https://issues.apache.org/jira/browse/ORC-709
>             Project: ORC
>          Issue Type: Bug
>          Components: evolution, Reader
>    Affects Versions: 1.6.6, 1.7.0
>            Reporter: Panagiotis Garefalakis
>            Assignee: Panagiotis Garefalakis
>            Priority: Major
>
> Even though Boolean to String/Char/Varchar conversion needs special handling (explicitly converting 1s to 'TRUE's and 0s to 'FALSE's) we are currently using the same logic for all numeric vectors (StringGroupFromAnyIntegerTreeReader).
> [StringGroupFromBooleanTreeReader|https://github.com/apache/orc/blob/48cba3bafa7ef31f162f8c377d513f1c58a27876/java/core/src/java/org/apache/orc/impl/ConvertTreeReaderFactory.java#L1052] logic is there but seems broken since ORC-531.



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