Hello. While implementing the new writable API for FDWs, I wondered wether they are any obvious problems with the following behavior for handling returning clauses (for the delete case).
The goal is to fetch all required attributes during the initial scan, and avoid fetching data on the delete operation itself. - in the AddForeignUpdateTargets hook, add resjunk entries for the columns in the returning clause - in the ExecForeignDelete hook, fill the returned slot with values taken from the planSlot. -- Ronan Dunklau
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