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https://issues.apache.org/jira/browse/DRILL-290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13819251#comment-13819251
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Jason Altekruse commented on DRILL-290:
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I had started work on this issue when creating the writer for the Parquet
format. Without having written a writer, I believe I might have jumped the gun
on engineering a solution to generalize the readers and writers. I am not going
to post a patch, because the work has not reached a level of completion
warranting it, but here is a link to a git branch on my fork with my changes
made the parquet reader to start this interface definition. I may revisit this
issue if it seems like it is worthwhile after completing a few of the writers
and readers for other formats.
https://github.com/linuxN00b92/incubator-drill/tree/writer_interface
> Generalize similarities between readers and writers
> ---------------------------------------------------
>
> Key: DRILL-290
> URL: https://issues.apache.org/jira/browse/DRILL-290
> Project: Apache Drill
> Issue Type: Improvement
> Reporter: Jason Altekruse
> Priority: Minor
>
> Writers and readers share a lot of common code. Defining a clear interface to
> describe different file types would allow for a cleaner implementation of
> readers and writers for multiple formats. This would also reduce code
> redundancy and hopefully make all of the storage engines easier to maintain
> as formats evolve.
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