I was thinking the UDTF would be like a stored procedure.
Reads a local table retrieving values into variables.
Does some three part naming trick to select from the remote database based upon these variables.
Adds row into udtf
Then if you want to build a view over this udtf you could.
Basically the same sort of stuff many of the IBM i Services do. Although they often even extend that out by consuming web services (like available PTF groups) instead of just remote databases.
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