[teiid-issues] [JBoss JIRA] (TEIID-2107) Key usage can convert an outer join into an inner join

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-2107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12706950#comment-12706950 ] 

RH Bugzilla Integration commented on TEIID-2107:
------------------------------------------------

jolee at redhat.com made a comment on [bug 841682|https://bugzilla.redhat.com/show_bug.cgi?id=841682]

Description of problem:
Please refer to https://issues.jboss.org/browse/TEIID-2107

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:
                
> Key usage can convert an outer join into an inner join
> ------------------------------------------------------
>
>                 Key: TEIID-2107
>                 URL: https://issues.jboss.org/browse/TEIID-2107
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 7.4
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>            Priority: Critical
>             Fix For: 8.1
>
>
> If a left outer join is against a table/view with a index and the join is using all equi-join predicates and there is an additional predicate beyond what is in the index, then the join will be erroneously converted to an inner join.

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