[ https://issues.apache.org/jira/browse/SPARK-21929?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-21929:
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Assignee: Apache Spark
> Support `ALTER TABLE table_name ADD COLUMNS(..)` for ORC data source
> --------------------------------------------------------------------
>
> Key: SPARK-21929
> URL: https://issues.apache.org/jira/browse/SPARK-21929
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 2.2.0
> Reporter: Dongjoon Hyun
> Assignee: Apache Spark
>
> SPARK-19261 implemented `ADD COLUMNS` at Spark 2.2, but ORC data source is not supported
due to its limit.
> {code}
> scala> sql("CREATE TABLE tab (c1 int, c2 int, c3 int) USING ORC PARTITIONED BY (c3)")
> scala> sql("ALTER TABLE tab ADD COLUMNS (c4 int)")
> org.apache.spark.sql.AnalysisException:
> ALTER ADD COLUMNS does not support datasource table with type ORC.
> You must drop and re-create the table for adding the new columns. Tables: `tab`;
> {code}
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