Derek Hans <derek.hans@xxxxxxxxx> writes: > Unfortunately only "alter function" supports "leakproof" - "alter operator" > does not. Is there a function-equivalent for marking operators as > leakproof? Leakproofness is a property of the underlying function, not the operator, so that's where you change it. > Is there any documentation for which operators/functions are > leakproof? select oid::regprocedure from pg_proc where proleakproof; regards, tom lane