I'm using the Merge Join to join several different incoming flows into one flow. I've configured the joins to use a Full Outer Join because I need all records from all sources.
In the case of a no-match, I want the component to keep the values of join key fields instead of setting them to NULL. How can I achieve that?
(Activating the checkbox doesn't help, because that adds a new field to the output instead of re-using the existing one.)
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