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

[Steven Hawkins (JIRA)]

Steven Hawkins created TEIID-5471:
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             Summary: 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


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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