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https://issues.apache.org/jira/browse/SPARK-36800?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17435947#comment-17435947
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dohongdayi commented on SPARK-36800:
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The image might be like:
!SparkIssue.png!
> The create table as select statement verifies the valid column name
> --------------------------------------------------------------------
>
> Key: SPARK-36800
> URL: https://issues.apache.org/jira/browse/SPARK-36800
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: melin
> Priority: Trivial
> Attachments: SparkIssue.png
>
>
> If the column name output by select is not a valid column name, the prompt is
> not very clear, it is recommended to add a column name check
> {code:java}
> create table tdl_demo_dd as select 1+1{code}
> !image-2021-09-19-17-25-02-239.png!
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