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  1. Hive
  2. HIVE-10924 add support for MERGE statement
  3. HIVE-14945

Add support for multiple WHEN MATCHED clauses

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    Details

    • Type: Sub-task
    • Status: Resolved
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: Transactions
    • Labels:
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    • Target Version/s:

      Description

      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

      everyone seems to support update/delete/insert - in that order

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          Sub-task - The sub-task of the issue HIVE-14943 Base Implementation

          • Major - Major loss of function.
          • Closed

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              • Assignee:
                ekoifman Eugene Koifman
                Reporter:
                ekoifman Eugene Koifman
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                • Created:
                  Updated:
                  Resolved: