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https://issues.apache.org/jira/browse/ORC-305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16411810#comment-16411810
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Owen O'Malley commented on ORC-305:
-----------------------------------
You have access to the id as TreeWriterBase.id and the PhysicalWriter via
TreeWriterBase.streamFactory.getPhysicalWriter(). The name streamFactory is a
historical artifact, but is effectively the WriterContext that provides access
to the important parts of the WriterImpl.
> Add column statistics for the size on disk
> ------------------------------------------
>
> Key: ORC-305
> URL: https://issues.apache.org/jira/browse/ORC-305
> Project: ORC
> Issue Type: Test
> Reporter: Owen O'Malley
> Assignee: Sandeep More
> Priority: Major
>
> It would be great to have the size on disk of each column.
> You can generate this by adding up the sizes of the dictionary and data
> streams.
> It is only relevant at the stripe and file level.
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