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https://issues.apache.org/jira/browse/ORC-40?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15427739#comment-15427739
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Chunyang Wen commented on ORC-40:
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It seems that we should first provide a similar C++ API. Then users can use
that API to build search argument. Process of building search argument is
application related. Good point.
> C++ Reader does not support predicate pushdown.
> -----------------------------------------------
>
> Key: ORC-40
> URL: https://issues.apache.org/jira/browse/ORC-40
> Project: Orc
> Issue Type: New Feature
> Components: C++
> Reporter: Owen O'Malley
>
> The Java reader can push down predicates to filter the data being read. The
> C++ reader doesn't do that yet.
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