[teiid-issues] [JBoss JIRA] (TEIID-5409) left join is reversed
Bram Gadeyne (JIRA)
issues at jboss.org
Tue Jul 24 02:34:01 EDT 2018
[ https://issues.jboss.org/browse/TEIID-5409?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13609493#comment-13609493 ]
Bram Gadeyne commented on TEIID-5409:
-------------------------------------
[~shawkins], Is there a specific case where this issue occured. I was already using 10.3 for some project and I would like to check for issues that might have occured. But I'm fairly confident that this left join issue has only happened in specific cases.
> left join is reversed
> ---------------------
>
> Key: TEIID-5409
> URL: https://issues.jboss.org/browse/TEIID-5409
> Project: Teiid
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: 10.3.1, 10.3.2
> Reporter: Bram Gadeyne
> Assignee: Steven Hawkins
> Priority: Blocker
> Fix For: 11.1, 11.0.1, 10.3.3
>
> Attachments: plan_teiid_10.3.2.txt, plan_teiid_9.1.txt
>
>
> A query that is run on teiid 9.1 results in 56186 rows.
> The same query that is run on teiid 10.3.2 results in 5919 rows.
> It seems like the left join is reversed.
> I've attached both query plans.
> The queries are exactly the same. Note that on 9.1 we've prefixed table names with cos2_5_.
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