[teiid-issues] [JBoss JIRA] Closed: (TEIID-1497) misc subquery enhancements

Mon Aug 1 12:06:25 EDT 2011

     [ https://issues.jboss.org/browse/TEIID-1497?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins closed TEIID-1497.
---------------------------------


> misc subquery enhancements
> --------------------------
>
>                 Key: TEIID-1497
>                 URL: https://issues.jboss.org/browse/TEIID-1497
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>    Affects Versions: 7.4
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 7.4
>
>
> Federated exists and scalar subqueries should be implicitly limited to not pull back extra results.
> The subquery aware evaluator should have a small cache to reuse correlated results.
> uncorrelated subqueryin and some forms of quantified comparison should be processed as dependent set criteria or use an indexed structure for teiid evaluation.

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