[teiid-issues] [JBoss JIRA] (TEIID-2707) proactive buffering on an enhanced sort merge left outer join results in an assertionerror

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-2707?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12943443#comment-12943443 ] 

RH Bugzilla Integration commented on TEIID-2707:
------------------------------------------------

wgibson at redhat.com changed the Status of [bug 1028027|https://bugzilla.redhat.com/show_bug.cgi?id=1028027] from ON_QA to VERIFIED
                
> proactive buffering on an enhanced sort merge left outer join results in an assertionerror
> ------------------------------------------------------------------------------------------
>
>                 Key: TEIID-2707
>                 URL: https://issues.jboss.org/browse/TEIID-2707
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 8.4
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 8.4.1, 8.6, 7.7.9
>
>
> The proactive buffering logic with particular blocking patterns is not correct.  Namely the setting of the buffer to forward only prevents re-reading which results in an AssertionError.

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