[teiid-issues] [JBoss JIRA] (TEIID-4443) STRING_AGG should not be decomposable

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-4443?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins resolved TEIID-4443.
-----------------------------------
    Resolution: Done


Updated the canStage logic.

> STRING_AGG should not be decomposable
> -------------------------------------
>
>                 Key: TEIID-4443
>                 URL: https://issues.jboss.org/browse/TEIID-4443
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>    Affects Versions: 8.7
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 9.1
>
>
> AggregateSymbol.canStage is returning true for string_agg - even though that is not correct, which can lead to an arrayindexoutofbounds exception when evaluating the final value based upon the partial as no separator will be in the tuple.



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