[teiid-issues] [JBoss JIRA] (TEIID-3466) Selectivity is over estimated in joins with multiple predicates.

Steven Hawkins (JIRA) issues at jboss.org
Mon May 4 14:02:45 EDT 2015


Steven Hawkins created TEIID-3466:
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             Summary: Selectivity is over estimated in joins with multiple predicates.  
                 Key: TEIID-3466
                 URL: https://issues.jboss.org/browse/TEIID-3466
             Project: Teiid
          Issue Type: Quality Risk
            Reporter: Steven Hawkins
            Assignee: Steven Hawkins


Selectivity is over estimated in joins with multiple predicates.  This is partial due to optional predicates discovered during copy criteria and partially due to always using the independent estimate of selectivity.



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