On Mon, 2020-12-21 at 11:45 -0500, Philip Semanchuk wrote: > > On Dec 19, 2020, at 12:59 AM, Joel Jacobson <joel@xxxxxxxxxxxx> wrote: > > Is there a way to avoid excessive inlining when writing pure SQL functions, without having to use PL/pgSQL? > > The rules for inlining are here: > https://wiki.postgresql.org/wiki/Inlining_of_SQL_functions > > According to those rules, if you declared your SQL function as VOLATILE, then Postgres wouldn’t > inline it. From your question, I’m not sure if you want to have the same function inlined > sometimes and not others. I can’t think of a way to do that offhand. Where do you see that? As far as I know, VOLATILE is the best choice if you want the function to be inlined. I would say that the simplest way to prevent a function from being inlined is to set a parameter on it: ALTER FUNCTION f() SET enable_seqscan = on; Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com
