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Posted to jira@arrow.apache.org by "Matthias Rosenthaler (Jira)" <ji...@apache.org> on 2021/02/15 11:51:00 UTC

[jira] [Updated] (ARROW-11629) 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 ]

Matthias Rosenthaler updated ARROW-11629:
-----------------------------------------
    Summary: Writing float32 values makes parquet files not readable for some tools  (was: Write float32 make parquet files not readable for some tools)

> 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
>    Affects Versions: 3.0.0
>            Reporter: Matthias Rosenthaler
>            Priority: Major
>         Attachments: output.csv, output.parquet
>
>
> If I try to read the following 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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