Terry Kim created SPARK-29373:
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Summary: DataSourceV2: Commands should not submit a spark job.
Key: SPARK-29373
URL: https://issues.apache.org/jira/browse/SPARK-29373
Project: Spark
Issue Type: Bug
Components: SQL
Affects Versions: 3.0.0
Reporter: Terry Kim
DataSourceV2 Exec classes (ShowTablesExec, ShowNamespacesExec, etc.) all extend LeafExecNode.
This results in running a job when executeCollect() is called. This breaks the previous behavior
[SPARK-19650|https://issues.apache.org/jira/browse/SPARK-19650].
A new command physical operator will be introduced form which all V2 Exec classes derive to
avoid running a job.
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