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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2022/01/10 01:02:00 UTC

[jira] [Commented] (SPARK-37849) Supports limiting the maximum amount of column data

    [ https://issues.apache.org/jira/browse/SPARK-37849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17471627#comment-17471627 ] 

Hyukjin Kwon commented on SPARK-37849:
--------------------------------------

You can simply leverage assert_true(size(...)) expression to limit.

> Supports limiting the maximum amount of column data
> ---------------------------------------------------
>
>                 Key: SPARK-37849
>                 URL: https://issues.apache.org/jira/browse/SPARK-37849
>             Project: Spark
>          Issue Type: Improvement
>          Components: SQL
>    Affects Versions: 3.2.0
>            Reporter: melin
>            Priority: Major
>
> Avoid writing too much data in a column。



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