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Posted to issues@spark.apache.org by "Burak Yavuz (Jira)" <ji...@apache.org> on 2019/12/12 22:28:00 UTC

[jira] [Created] (SPARK-30241) Make the target table relations not children of DELETE/UPDATE/MERGE

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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