[teiid-issues] [JBoss JIRA] (TEIID-5683) Push or use limit information before dependent join processing
Steven Hawkins (Jira)
issues at jboss.org
Thu Mar 14 20:05:00 EDT 2019
[ https://issues.jboss.org/browse/TEIID-5683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Steven Hawkins resolved TEIID-5683.
-----------------------------------
Resolution: Done
Updated rule assign output elements for it to run for a third time as it's needed before rule push limit. Then moved pushed limit to earlier in planning before dependent joins are chosen, but after access nodes have been raised.
> Push or use limit information before dependent join processing
> --------------------------------------------------------------
>
> Key: TEIID-5683
> URL: https://issues.jboss.org/browse/TEIID-5683
> Project: Teiid
> Issue Type: Enhancement
> Components: Query Engine
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Priority: Major
> Fix For: 12.2
>
>
> There appear to be some situations (such as a left outer join from TEIID-5680) where the limit could help direct a dependent join, but isn't considered as rule push limit isn't run until later.
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