Burak Yavuz created SPARK-30241:
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Summary: Make the target table relations not children of
DELETE/UPDATE/MERGE
Key: SPARK-30241
URL: https://issues.apache.org/jira/browse/SPARK-30241
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.0.0
Reporter: Burak Yavuz
Assignee: Burak Yavuz
Having the targets of DELETE/UPDATE/MERGE as children can cause bad
interactions with other catalyst rules that may want to perform actions
assuming a child is a "read-only" relation. This is precisely why AlterTable
and DescribeTable have the targets as variables only and not children.
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