[jira] [Resolved] (ARROW-3236) [C++] OutputStream bookkeeping logic when writing IPC file format is incorrect

["Wes McKinney (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ARROW-3236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Wes McKinney resolved ARROW-3236.
---------------------------------
    Resolution: Fixed

Issue resolved by pull request 2560
[https://github.com/apache/arrow/pull/2560]

> [C++] OutputStream bookkeeping logic when writing IPC file format is incorrect
> ------------------------------------------------------------------------------
>
>                 Key: ARROW-3236
>                 URL: https://issues.apache.org/jira/browse/ARROW-3236
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: C++
>    Affects Versions: 0.10.0
>            Reporter: Wes McKinney
>            Assignee: Wes McKinney
>            Priority: Blocker
>              Labels: pull-request-available
>             Fix For: 0.11.0
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> The {{position_}} field is initialized as -1, but the file writer class begins writing and aligning the format without updating the position, so this results in an extra byte written. This was reported in https://github.com/apache/arrow/issues/2559. A bit disturbing that this was not caught in unit tests



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