[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 updated TEIID-3660:
----------------------------------
    Fix Version/s: 9.2
                       (was: 9.1)


> 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
>            Assignee: Steven Hawkins
>             Fix For: 9.2
>
>
> 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.  



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