> The "setof" part is documented in src/backend/utils/fmgr/README. > There's no good documentation for returning tuples at the moment, > but basically you return a pointer to a TupleTableSlot. (Re-use > the same slot on each call to avoid memory leakage.) There's an > example in src/backend/executor/functions.c --- look at the uses > of funcSlot.
That was almost same as I guessed:-) > One reason this isn't documented is that it's really ugly. It might > be a good idea to change it before we start having lots of user-written > code that depends on it ... Sounds like a good idea. -- Tatsuo Ishii ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
