[teiid-issues] [JBoss JIRA] (TEIID-5212) Additional optimization of left outer joins
Steven Hawkins (JIRA)
issues at jboss.org
Fri Jan 12 17:19:00 EST 2018
[ https://issues.jboss.org/browse/TEIID-5212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Work on TEIID-5212 started by Steven Hawkins.
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> Additional optimization of left outer joins
> -------------------------------------------
>
> Key: TEIID-5212
> URL: https://issues.jboss.org/browse/TEIID-5212
> Project: Teiid
> Issue Type: Quality Risk
> Components: Query Engine
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
>
> Related to TEIID-5016 and TEIID-3652, there are additional circumstances where the join planning logic can combine tables from different parts of a join tree involving left outer joins.
> The referenced forum posting has a star join against ora_ses such that moving the placement of the nested inner join allows for more grouping of the join tables.
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