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https://issues.apache.org/jira/browse/ARROW-6681?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Neal Richardson updated ARROW-6681:
-----------------------------------
Component/s: (was: R)
> [C#] Record Batches in reverse order?
> -------------------------------------
>
> Key: ARROW-6681
> URL: https://issues.apache.org/jira/browse/ARROW-6681
> Project: Apache Arrow
> Issue Type: Bug
> Components: C#
> Affects Versions: 0.14.1
> Reporter: Anthony Abate
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Are 'RecordBatches' being in C# being written in reverse order?
> I made a simple test which creates a single row per record batch of 0 to 99
> and attempted to read this in R. To my surprise batch(0) in R had the value
> 99 not 0
> This may not seem like a big deal, however when dealing with 'huge' files,
> its more efficient to use Record Batches / index lookup than attempting to
> load the entire file into memory.
> Having the order consistent within the different language / API seems only to
> make sense - for now I can work around this by reversing the order before
> writing.
>
> https://github.com/apache/arrow/issues/5475
>
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