[teiid-issues] [JBoss JIRA] (TEIID-3660) Add support for unnesting anti semijoins

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-3660?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins reassigned TEIID-3660:
-------------------------------------

    Fix Version/s: 10.x
                       (was: 10.0)
         Assignee:     (was: Steven Hawkins)


> Add support for unnesting anti semijoins
> ----------------------------------------
>
>                 Key: TEIID-3660
>                 URL: https://issues.jboss.org/browse/TEIID-3660
>             Project: Teiid
>          Issue Type: Enhancement
>          Components: Query Engine
>            Reporter: Steven Hawkins
>             Fix For: 10.x
>
>
> Currently we won't perform the rewrite if it's the anti case.  A subquery used as an anti semijoin can be unnested into a left outer join with a filter on the null rows.  



--
This message was sent by Atlassian JIRA
(v7.2.3#72005)