[teiid-issues] [JBoss JIRA] (TEIID-160) Remove redundant self-joins
Steven Hawkins (Updated) (JIRA)
jira-events at lists.jboss.org
Fri Nov 18 16:01:41 EST 2011
[ https://issues.jboss.org/browse/TEIID-160?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins updated TEIID-160:
---------------------------------
Fix Version/s: 8.1
(was: 8.0)
> Remove redundant self-joins
> ---------------------------
>
> Key: TEIID-160
> URL: https://issues.jboss.org/browse/TEIID-160
> Project: Teiid
> Issue Type: Feature Request
> Components: Query Engine
> Affects Versions: 9.x
> Reporter: Steven Hawkins
> Priority: Minor
> Fix For: 8.1
>
> Original Estimate: 2 days
> Remaining Estimate: 2 days
>
> Query minimization should be used to remove self-joins on unique columns. This could be added as part of RuleRemoveOptionalJoins (but the rule may need to be run again after join planning).
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