postgresql_types.md

    create_table :users do |t|
      t.string  :name
      t.bigint  :remote_id
      t.decimal :salary
      t.text :introduction
      t.timestamps
    end

CREATE TABLE public.users (
    id bigint NOT NULL,
    name character varying,
    remote_id bigint,
    salary numeric,
    introduction text,
    created_at timestamp(6) without time zone NOT NULL,
    updated_at timestamp(6) without time zone NOT NULL
);