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https://issues.apache.org/jira/browse/HIVE-22706?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17012727#comment-17012727
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Zoltan Haindrich commented on HIVE-22706:
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well; after some digging my hypothesis have confirmed; that datanucleus is
pulling these Y/N into play...the translation is done at several places
including
[this|https://github.com/datanucleus/datanucleus-rdbms/blob/6f01a33e7d514f90775ddd7d3d7bfe77303e787b/src/main/java/org/datanucleus/store/rdbms/mapping/datastore/CharRDBMSMapping.java#L332].
I played with the idea to try to reuse the parts which are doing this kind of
conversions ; but they are kinda deeply tied to a plugin system inside
datanucleus and it would look strange....
So I think the best course of action ; to have our sysdb show rational values
is to interpret the char 'N' as false...
> Jdbc storage handler incorrectly interprets boolean column value in derby
> -------------------------------------------------------------------------
>
> Key: HIVE-22706
> URL: https://issues.apache.org/jira/browse/HIVE-22706
> Project: Hive
> Issue Type: Bug
> Reporter: Zoltan Haindrich
> Assignee: Zoltan Haindrich
> Priority: Major
>
> in case the column value is false ; the storage handler interprets it as true
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