[teiid-issues] [JBoss JIRA] (TEIID-57) Criteria ordering

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-57?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-57.
---------------------------------
    Resolution: Deferred


Barely.  It only applies to source systems that have basically no optimization turned on.  I'll just set to deferred.

> Criteria ordering
> -----------------
>
>                 Key: TEIID-57
>                 URL: https://issues.jboss.org/browse/TEIID-57
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 9.x
>            Reporter: Steven Hawkins
>
> Defect Tracker #24194: The order in which criteria is evaluated in MetaMatrix (and at the source) can have a large impact on performance.  We should utilize costing information to order our evaluation of criteria nodes so that the cheapest most limiting criteria is evaluated first.



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