[teiid-issues] [JBoss JIRA] (TEIID-2487) Wrong aliasing when "supportsSelectExpression" is false in translator capabilities

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-2487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-2487.
-----------------------------------

    Fix Version/s: 8.4
       Resolution: Done


Updated the alias generator to account for non-column references when supportsSelectExpression is turned off.
                
> Wrong aliasing when "supportsSelectExpression" is false in translator capabilities
> ----------------------------------------------------------------------------------
>
>                 Key: TEIID-2487
>                 URL: https://issues.jboss.org/browse/TEIID-2487
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>            Reporter: Ramesh Reddy
>            Assignee: Steven Hawkins
>             Fix For: 8.4
>
>
> When "supportsSelectExpression" is false, in the translator capabilities and user submits a query like 
> {code}
> select sum (intnum) as "sum" from smalla group by intkey order by "sum"
> {code}
> the pushdown command at the translator is
> {code}
> SELECT SUM(SMALLA.INTNUM) FROM SMALLA GROUP BY SMALLA.INTKEY ORDER BY c_0
> {code}
> The alias in the ORDER BY is wrong. Also do not understand why the query engine pushed the aggregate is being pushed, possibly due to "supportsAggregatesSum" is turned on.

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