[teiid-issues] [JBoss JIRA] (TEIID-1522) propagate all projected constants from non-merged view layers

Wed Jul 3 14:20:20 EDT 2013

     [ https://issues.jboss.org/browse/TEIID-1522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-1522.
-----------------------------------

    Fix Version/s: 8.5
       Resolution: Done

Update the rulemergevirtual to understand merging simple projections.  Added a TODO for the remaining possible optimization when there are inhibiting subqueries/non-deterministic expressions.

> propagate all projected constants from non-merged view layers
> -------------------------------------------------------------
>
>                 Key: TEIID-1522
>                 URL: https://issues.jboss.org/browse/TEIID-1522
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>    Affects Versions: 7.4
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>            Priority: Minor
>             Fix For: 8.5
>
>
> For non-merged view layers there are planning and costing benefits to propagating any projected constants upward in the plan.

--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators
For more information on JIRA, see: http://www.atlassian.com/software/jira