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Posted to issues@spark.apache.org by "Jackie Zhang (Jira)" <ji...@apache.org> on 2022/04/18 19:16:00 UTC

[jira] [Updated] (SPARK-38939) Support ALTER TABLE ... DROP COLUMN [IF EXISTS] .. syntax

     [ https://issues.apache.org/jira/browse/SPARK-38939?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jackie Zhang updated SPARK-38939:
---------------------------------
    Description: 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, and make consistent with some other DMLs such as `DROP TABLE (IF EXISTS)` etc.  (was: Current )

> Support ALTER TABLE ... DROP COLUMN [IF EXISTS] .. 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
>            Priority: Major
>
> 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, and make consistent with some other DMLs such as `DROP TABLE (IF EXISTS)` etc.



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