[teiid-issues] [JBoss JIRA] (TEIID-5471) string_agg should return null rather than empty over no values

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-5471?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins updated TEIID-5471:
----------------------------------
    Fix Version/s: 11.1.1
                   11.0.3


> string_agg should return null rather than empty over no values
> --------------------------------------------------------------
>
>                 Key: TEIID-5471
>                 URL: https://issues.jboss.org/browse/TEIID-5471
>             Project: Teiid
>          Issue Type: Bug
>          Components: Query Engine
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>             Fix For: 11.2, 11.1.1, 11.0.3
>
>
> For example the query:
> select string_agg(col, ',') from (select cast(null as string) as col) x
> Should return null rather than an empty string.



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