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https://issues.apache.org/jira/browse/ORC-644?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17152317#comment-17152317
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Arvin Zheng commented on ORC-644:
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hi [~findepi],
Thanks for the reply, ORC-120 was intended to add a config item which allows
use to force ORC evaluation to be positional (for backward compatibility),
which IMO mapping fields inside Struct positionally should be part of the
feature.
> struct evaluation does not respect to orc.force.positional.evolution
> --------------------------------------------------------------------
>
> Key: ORC-644
> URL: https://issues.apache.org/jira/browse/ORC-644
> Project: ORC
> Issue Type: Bug
> Components: Java
> Affects Versions: master
> Reporter: Arvin Zheng
> Priority: Major
>
> I noticed that even when orc.force.positional.evolution is set to true, the
> Struct evaluation is still Hive field name based, which caused some of our
> queries to return incorrect values for fields inside Struct since our Hive
> column name does not match to ORC column name.
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