CREATE FOREIGN DATA WRAPPER grpc_fdw_handler HANDLER grpc_fdw_handler NO VALIDATOR;
CREATE SERVER user_srv FOREIGN DATA WRAPPER grpc_fdw_handler OPTIONS (server_uri 'http://[::1]:50051');
CREATE FOREIGN TABLE users (
    id integer,
    name text,
    email text
) SERVER user_srv OPTIONS (
    table_option '1',
    table_option2 '2'
);