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Posted to jira@arrow.apache.org by "Antoine Pitrou (Jira)" <ji...@apache.org> on 2021/02/15 11:53:00 UTC

[jira] [Updated] (ARROW-11629) [C++] Writing float32 values makes parquet files not readable for some tools

     [ https://issues.apache.org/jira/browse/ARROW-11629?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Antoine Pitrou updated ARROW-11629:
-----------------------------------
    Summary: [C++] Writing float32 values makes parquet files not readable for some tools  (was: Writing float32 values makes parquet files not readable for some tools)

> [C++] Writing float32 values makes parquet files not readable for some tools
> ----------------------------------------------------------------------------
>
>                 Key: ARROW-11629
>                 URL: https://issues.apache.org/jira/browse/ARROW-11629
>             Project: Apache Arrow
>          Issue Type: Bug
>          Components: C++, Python
>    Affects Versions: 3.0.0
>            Reporter: Matthias Rosenthaler
>            Priority: Major
>         Attachments: output.csv, output.parquet
>
>
> If I try to read the attached csv file with pyarrow, changing the float64 columns to float32 and export it to parquet, the parquet file gets corrupted. It is not readable for apache drill or Parquet.Net any longer.



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