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https://issues.apache.org/jira/browse/SPARK-33095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17219740#comment-17219740
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Apache Spark commented on SPARK-33095:
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User 'ScrapCodes' has created a pull request for this issue:
https://github.com/apache/spark/pull/30142
> Support ALTER TABLE in JDBC v2 Table Catalog: add, update type and
> nullability of columns (MySQL dialect)
> ---------------------------------------------------------------------------------------------------------
>
> Key: SPARK-33095
> URL: https://issues.apache.org/jira/browse/SPARK-33095
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.1.0
> Reporter: Prashant Sharma
> Assignee: Prashant Sharma
> Priority: Major
> Fix For: 3.1.0
>
>
> Override the default SQL strings for:
> ALTER TABLE UPDATE COLUMN TYPE
> ALTER TABLE UPDATE COLUMN NULLABILITY
> in the following MySQL JDBC dialect according to official documentation.
> Write MySQL integration tests for JDBC.
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