[teiid-issues] [JBoss JIRA] (TEIID-5934) Inappropriate aggregate pushdown over nested table join

[Steven Hawkins (Jira)]

     [ https://issues.redhat.com/browse/TEIID-5934?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins updated TEIID-5934:
----------------------------------
    Fix Version/s: 13.1.1


> Inappropriate aggregate pushdown over nested table join
> -------------------------------------------------------
>
>                 Key: TEIID-5934
>                 URL: https://issues.redhat.com/browse/TEIID-5934
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>            Priority: Major
>             Fix For: 14.0, 13.1.1
>
>
> Related to TEIID-5932, a query with multiple lateral joins and a group by is optimized incorrectly.  Altering the unit test query to:
> {code}
> SELECT xt.event_id, count(*) FROM tbl AS d, 
>     TABLE (select d.event_id from tbl limit 1) xt
>       LEFT JOIN TABLE (select tbl.str as some_col from tbl where str = 'a' || d.str) xt2
>       ON xt.event_id = -1
> group by xt.event_id
> {code}
> Results in a processing error because the initial pushdown for tbl only selects count star and does not select tbl.str.



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