\connect postgres DROP DATABASE IF EXISTS zulip; DO $$BEGIN CREATE USER zulip; EXCEPTION WHEN duplicate_object THEN RAISE NOTICE 'zulip user already exists'; END$$; ALTER ROLE zulip SET search_path TO zulip,public; CREATE DATABASE zulip OWNER=zulip ENCODING=UTF8 LC_COLLATE='en_US.UTF-8' LC_CTYPE='en_US.UTF-8' TEMPLATE=template0; \connect zulip CREATE SCHEMA zulip AUTHORIZATION zulip;