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From "Eugene Koifman (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HIVE-15970) Fix merge to work in presents of AST rewrites
Date Fri, 17 Feb 2017 20:53:41 GMT
Eugene Koifman created HIVE-15970:
-------------------------------------

             Summary: Fix merge to work in presents of AST rewrites
                 Key: HIVE-15970
                 URL: https://issues.apache.org/jira/browse/HIVE-15970
             Project: Hive
          Issue Type: Bug
          Components: Transactions
    Affects Versions: 2.2.0
            Reporter: Eugene Koifman
            Assignee: Eugene Koifman
            Priority: Critical


The issue is that Context.getDestNamePrefix() caches ASTNode objects to figure out if a given
insert branch of multi-insert is insert, update or delete but objects change when the tree
is modified.  For example, row-filtering/column-masking does this, but also other optimizations/features.



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