[jira] [Commented] (SPARK-33081) Support ALTER TABLE in JDBC v2 Table Catalog: update type and nullability of columns (DB2 dialect)

["Apache Spark (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-33081?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17209919#comment-17209919 ] 

Apache Spark commented on SPARK-33081:
--------------------------------------

User 'huaxingao' has created a pull request for this issue:
https://github.com/apache/spark/pull/29972

> Support ALTER TABLE in JDBC v2 Table Catalog: update type and nullability of columns (DB2 dialect)
> --------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-33081
>                 URL: https://issues.apache.org/jira/browse/SPARK-33081
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.1.0
>            Reporter: Huaxin Gao
>            Priority: Major
>
> Override the default SQL strings for:
> * ALTER TABLE UPDATE COLUMN TYPE
> * ALTER TABLE UPDATE COLUMN NULLABILITY
> in the following DB2 JDBC dialect according to official documentation.
> Write DB2 integration tests for JDBC.



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