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From "Wes McKinney (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (ARROW-395) Arrow file format writes record batches in reverse order.
Date Wed, 30 Nov 2016 23:14:59 GMT

     [ https://issues.apache.org/jira/browse/ARROW-395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wes McKinney resolved ARROW-395.
--------------------------------
    Resolution: Fixed

Issue resolved by pull request 220
[https://github.com/apache/arrow/pull/220]

> Arrow file format writes record batches in reverse order.
> ---------------------------------------------------------
>
>                 Key: ARROW-395
>                 URL: https://issues.apache.org/jira/browse/ARROW-395
>             Project: Apache Arrow
>          Issue Type: Bug
>            Reporter: Julien Le Dem
>            Assignee: Julien Le Dem
>
> This is because flatbuffers require writing in reverse order and we don't for record
batches.
> The following method:
> org.apache.arrow.vector.file.ArrowFooter.endVector(FlatBufferBuilder, List<ArrowBlock>)
> Should use this one:
> org.apache.arrow.vector.schema.FBSerializables.writeAllStructsToVector(FlatBufferBuilder,
List<? extends FBSerializable>)



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