[teiid-issues] [JBoss JIRA] (TEIID-4117) Add explicit empty handling for array values in xmltable

[Steven Hawkins (JIRA)]

     [ https://issues.jboss.org/browse/TEIID-4117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steven Hawkins closed TEIID-4117.
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> Add explicit empty handling for array values in xmltable
> --------------------------------------------------------
>
>                 Key: TEIID-4117
>                 URL: https://issues.jboss.org/browse/TEIID-4117
>             Project: Teiid
>          Issue Type: Enhancement
>          Components: Query Engine
>            Reporter: Steven Hawkins
>            Assignee: Steven Hawkins
>
> Currently we default to null on empty behavior, but it would be good to allow empty on empty as well:
> xmltable('/a' passing convert('<a></a>', xml) columns x string[] path 'b')
> will produce a null value, but in some cases you'd want to produce an empty array.



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