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https://issues.apache.org/jira/browse/ORC-40?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15565781#comment-15565781
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Owen O'Malley commented on ORC-40:
----------------------------------
The list of supported OSes for the C++ reader are:
* Centos 6, and 7
* Debian 7, and 8
* Ubuntu 12, 14, and 16
* MacOS 10.10, 10.11, 10.12
There are docker scripts in the docker directory that let you build in each of
the Linux variants, so that if you are running on Linux,
% cd docker
% ./run-all.sh omalley orc-104
will build the orc-104 branch from my (omalley) github orc repo on all 7 Linux
variants. If you replace omalley with your github id you can build from one of
your branches. The oldest version of g++ that we are currently supporting is in
centos 6 with gcc 4.4.7, which has shared_ptr support.
> 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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