[jira] [Created] (HIVE-14945) Add support for multiple WHEN MATCHED clauses

[Eugene Koifman (JIRA)]

Eugene Koifman created HIVE-14945:
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             Summary: Add support for multiple WHEN MATCHED clauses
                 Key: HIVE-14945
                 URL: https://issues.apache.org/jira/browse/HIVE-14945
             Project: Hive
          Issue Type: Sub-task
          Components: Transactions
            Reporter: Eugene Koifman
            Assignee: Eugene Koifman


Different vendors have different rules.
HIVE-14943 only allows 1 WHEN MATCHED clause

IBM Allows > 1 WHEN MATCHED clause 
https://www.ibm.com/support/knowledgecenter/SSEPGG_9.5.0/com.ibm.db2.luw.sql.ref.doc/doc/r0010873.html

So does SQL Server https://msdn.microsoft.com/en-us/library/bb510625.aspx



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