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https://issues.apache.org/jira/browse/SPARK-30894?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17217784#comment-17217784
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Dongjoon Hyun commented on SPARK-30894:
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I labeled `correctness` according to the PR description
bq. This allows to avoid the issue when the configuration change between
different phases of planning, and this can silently break a query plan which
can lead to crashes or data corruption.
> The nullability of Size function should not depend on SQLConf.get
> -----------------------------------------------------------------
>
> Key: SPARK-30894
> URL: https://issues.apache.org/jira/browse/SPARK-30894
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Wenchen Fan
> Assignee: Maxim Gekk
> Priority: Blocker
> Labels: correctness
> Fix For: 2.4.8, 3.0.0
>
>
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