[teiid-issues] [JBoss JIRA] Created: (TEIID-1007) Remove unnecessary inline views over group bys

Tue Mar 2 22:27:10 EST 2010

Remove unnecessary inline views over group bys
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                 Key: TEIID-1007
                 URL: https://jira.jboss.org/jira/browse/TEIID-1007
             Project: Teiid
          Issue Type: Feature Request
          Components: Query Engine
    Affects Versions: 6.0.0
            Reporter: Steven Hawkins
            Assignee: Steven Hawkins
             Fix For: 7.0

Our check for removing a view layer only checks for a grouping node, it should check to see if any of the projected columns are used in the group by.

e.g. instead of select max(c1) from (select c1 from table) v1 -> select max(c1) from table

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