Reset db on psql

reset_db.sql

SELECT 
     'DROP TABLE '||c.relname ||' CASCADE;'
     FROM pg_catalog.pg_class c
     JOIN pg_catalog.pg_roles r ON r.oid = c.relowner
     LEFT JOIN pg_catalog.pg_namespace n ON n.oid = c.relnamespace
     WHERE c.relkind IN ('r','')
     AND n.nspname NOT IN ('pg_catalog', 'pg_toast')
     AND pg_catalog.pg_table_is_visible(c.oid)
     ORDER BY 1;