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                                   Table "public.valid_users"
  Column  |         Type          |                          Modifiers
----------+-----------------------+-------------------------------------------------------------
 username | character varying(20) |
 passwd   | character varying(50) |
 address  | integer               |
 id       | integer               | not null default nextval('public.valid_users_id_seq'::text)
 repo     | character varying     |
Indexes:
    "valid_users_pkey" PRIMARY KEY, btree (id)
    "valid_users_username_key" UNIQUE, btree (username)