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Wrong Results from UNION ALL Used Within WITH Section Using XMLTABLE (Doc ID 1589301.1)

Last updated on MARCH 10, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


A UNION ALL of select statements from a WITH section, where the WITH section selects from XMLTABLE, is not returning the expected result.

Below is an example query:

which is returning 'no row selected' while each separated statement is returning rows.






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