On 7 July 2016 at 08:56, Silk Parrot <silkpar...@gmail.com> wrote: > Hi, > > I am trying to build a user database. The steps for creating a new user > are: > > 1. Use gen_salt to create a salt. > 2. Compute the hash based on the salt and password and store both the hash > and the salt into a new row. > > > The pl/pgsql would look like this: > > CREATE OR REPLACE FUNCTION system.create_enduser(IN emailArg TEXT, IN > passwordArg TEXT, IN nicknameArg TEXT, IN roundsArg int) RETURNS TEXT AS > $$ > #print_strict_params on > DECLARE > salt TEXT; > inserted_uuid TEXT; > BEGIN > salt := public.gen_salt('bf', roundsArg); > INSERT INTO system.enduser (email, password_hash, password_salt, > nickname, user_state) VALUES (emailArg, public.crypt(passwordArg, salt), > salt, nicknameArg, 'REGISTERED') RETURNING uuid into inserted_uuid; > RETURN inserted_uuid; > END > $$ > LANGUAGE 'plpgsql' VOLATILE > ; > > > Is there a way to do this in a single SQL statement without using a > function? One way I can think of is using trigger, but that still requires > another setup. > > Appreciate any help. > > -- > Regards > Ryan >
A CTE would do that. https://www.postgresql.org/docs/9.5/static/queries-with.html Regards, Sándor