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https://issues.apache.org/jira/browse/ORC-709?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17256445#comment-17256445
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Panagiotis Garefalakis edited comment on ORC-709 at 12/30/20, 10:49 AM:
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This is now resolved via [https://github.com/apache/orc/pull/594]
was (Author: pgaref):
This is now resolved via [https://github.com/apache/orc/pull/594]
and [https://github.com/apache/orc/pull/595] for 1.6 branch
> FIX Boolean to StringGroup 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
> Fix For: 1.7.0, 1.6.7
>
>
> 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 refactor.
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