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https://issues.apache.org/jira/browse/SPARK-38939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17533686#comment-17533686
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Apache Spark commented on SPARK-38939:
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User 'dcoliversun' has created a pull request for this issue:
https://github.com/apache/spark/pull/36487
> Support ALTER TABLE ... DROP [IF EXISTS] COLUMN .. syntax
> ---------------------------------------------------------
>
> Key: SPARK-38939
> URL: https://issues.apache.org/jira/browse/SPARK-38939
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.2.0, 3.2.1, 3.3.0
> Reporter: Jackie Zhang
> Assignee: Jackie Zhang
> Priority: Major
> Fix For: 3.3.0
>
>
> Currently `ALTER TABLE ... DROP COLUMN(s) ...` syntax will always throw error
> if the column doesn't exist. We would like to provide an (IF EXISTS) syntax
> to provide better user experience for downstream handlers (such as Delta)
> that support it, and make consistent with some other DMLs such as `DROP TABLE
> (IF EXISTS)`
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