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Posted to issues@spark.apache.org by "Reynold Xin (JIRA)" <ji...@apache.org> on 2016/09/29 22:24:22 UTC

[jira] [Updated] (SPARK-17725) Spark should not write out parquet files with schema containing non-nullable fields

     [ https://issues.apache.org/jira/browse/SPARK-17725?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Reynold Xin updated SPARK-17725:
--------------------------------
    Target Version/s:   (was: 2.0.1)

> Spark should not write out parquet files with schema containing non-nullable fields
> -----------------------------------------------------------------------------------
>
>                 Key: SPARK-17725
>                 URL: https://issues.apache.org/jira/browse/SPARK-17725
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.0.0
>            Reporter: Wenchen Fan
>
> Since Spark 1.3, after PR https://github.com/apache/spark/pull/4826 , Spark SQL will always set all schema fields to nullable before writing out parquet files, to make the data pipeline more robust.
> However, this behaviour has been changed in 2.0 accidently by PR https://github.com/apache/spark/pull/11509



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