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

Last updated on FEBRUARY 08, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.4 [Release 11.2]
Information in this document applies to any platform.

Symptoms

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.

 

 

Cause

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