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From "Rick Hillegas (JIRA)" <j...@apache.org>
Subject [jira] [Created] (DERBY-6656) Re-enable views as the source data sets of MERGE statements
Date Thu, 10 Jul 2014 12:26:04 GMT
Rick Hillegas created DERBY-6656:
------------------------------------

             Summary: Re-enable views as the source data sets of MERGE statements
                 Key: DERBY-6656
                 URL: https://issues.apache.org/jira/browse/DERBY-6656
             Project: Derby
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 10.11.0.0
            Reporter: Rick Hillegas


The SQL Standard allows views as the source data sets of MERGE statements. However, we disabled
this feature because of namespace resolution problems (see DERBY-6652). Namespace resolution
for the MERGE statement needs to be overhauled. Some of the issues are described on DERBY-3155.
When the namespace problems are fixed comprehensively, we may be able to allow the use of
synonyms and subqueries and perhaps, also, the use of correlation names for columns.



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