how to dump postgresql database with roles code example

Example: restore pg_dumpall

$ psql -U postgres -W -d example_backups -f ~/Example_Dumps/all_tables.sql
Password for user postgres:
SET
SET
SET
SET
SET
set_config
------------
(1 row)
  
SET
SET
SET
SET
SET
CREATE TABLE
ALTER TABLE
CREATE TABLE
ALTER TABLE
COPY 3
COPY 4