[teiid-issues] [JBoss JIRA] (TEIID-5029) Regression with outer join optimization
Steven Hawkins (JIRA)
issues at jboss.org
Wed Aug 23 14:43:00 EDT 2017
[ https://issues.jboss.org/browse/TEIID-5029?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins resolved TEIID-5029.
-----------------------------------
Resolution: Done
Updated the logic to account for when both children are access nodes - which will only occur in limited circumstances when pushdown is initially inhibited (such as with a nested cross join).
There is a follow on enhancement to allow for additional pushdown planning after this particular scenario, but that's a very low priority.
> Regression with outer join optimization
> ---------------------------------------
>
> Key: TEIID-5029
> URL: https://issues.jboss.org/browse/TEIID-5029
> Project: Teiid
> Issue Type: Bug
> Components: Query Engine
> Affects Versions: 9.3
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Fix For: 10.0, 9.3.3
>
>
> TEIID-4886 does not account for all tree structures and is producing a null pointer exception:
> java.lang.NullPointerException
> at org.teiid.query.optimizer.relational.plantree.PlanNode.replaceChild(PlanNode.java:313) at org.teiid.query.optimizer.relational.rules.RulePlanJoins.groupAcrossLeftOuter(RulePlanJoins.jav at org.teiid.query.optimizer.relational.rules.RulePlanJoins.execute(RulePlanJoins.java:157)
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