-- DONE - CASCADE ON DELETE of orders related tables
-- DONE - STATUS on orders
-DROP TABLE #PFX#users;
+DROP TABLE IF EXISTS #PFX#users;
CREATE TABLE #PFX#users (
code SERIAL PRIMARY KEY,
login text UNIQUE,
mtime timestamp DEFAULT to_timestamp(0) -- last access
);
-DROP TABLE #PFX#groups;
+DROP TABLE IF EXISTS #PFX#groups;
CREATE TABLE #PFX#groups (
code SERIAL PRIMARY KEY,
name text