CREATE EXTENSION postgres_fdw;
DROP SERVER isu_3 cascade ;
CREATE SERVER isu_3 FOREIGN DATA WRAPPER postgres_fdw
OPTIONS (host '192.168.0.13', dbname 'isuumo', port '5432');
CREATE USER MAPPING FOR public SERVER isu_3
OPTIONS (user 'isucon', password 'isucon');
IMPORT FOREIGN SCHEMA isuumo FROM SERVER isu_3 INTO isuumo;
postgres_fdwは最初から入っている