> My Question:
> How can I do "OLD.columnName != NEW.columnName" if I don't know what the
> columnNames are at Compile Time?
> I have the columnName in a variable.
>
I suggest you use plpython. In this case you'll be able to do it.
TD['old'][colNameVar] != TD['new'][colNameVar]
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Regards,
Sergey Konoplev