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https://issues.apache.org/jira/browse/SPARK-27926?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiao Li reassigned SPARK-27926:
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Assignee: Gengliang Wang
> Allow altering table add columns with CSVFileFormat/JsonFileFormat provider
> ---------------------------------------------------------------------------
>
> Key: SPARK-27926
> URL: https://issues.apache.org/jira/browse/SPARK-27926
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Gengliang Wang
> Assignee: Gengliang Wang
> Priority: Minor
>
> In the previous work of csv/json migration, CSVFileFormat/JsonFileFormat is
> removed in the table provider whitelist of
> `AlterTableAddColumnsCommand.verifyAlterTableAddColumn`:
> https://github.com/apache/spark/pull/24005
> https://github.com/apache/spark/pull/24058
> This is regression. If a table is created with Provider
> `org.apache.spark.sql.execution.datasources.csv.CSVFileFormat` or
> `org.apache.spark.sql.execution.datasources.json.JsonFileFormat`, Spark
> should support the "alter table add column" operation.
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