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https://issues.apache.org/jira/browse/HIVE-15624?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15822312#comment-15822312
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Sergey Shelukhin commented on HIVE-15624:
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cc [~mmccline] [~ashutoshc]
> sometimes (with schema evolution?) padded char values cannot be converted to
> integers
> -------------------------------------------------------------------------------------
>
> Key: HIVE-15624
> URL: https://issues.apache.org/jira/browse/HIVE-15624
> Project: Hive
> Issue Type: Bug
> Reporter: Sergey Shelukhin
>
> Noticed while fixing HIVE-15558
> Schema evolution non-vectorized tests, or maybe their previous version on
> 2.1, in some instances have nulls in query results for values that are padded
> due to being char, when converting them to integers (e.g. '50000' or '-9999'
> are converted, but '17 ' cannot be converted and becomes null).
> HIVE-15558, while restoring proper padding to char, also made vectorization
> consistent with non-vectorized Hive in making them null, however that is not
> a desirable behavior.
> I've tried it out in simple queries with casts, and it doesn't happen ('17
> ' of type char(5) is cast to int as expected).
> I think we should fix this behavior for both vectorized and non-vectorized
> case.
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