[PostgreSQL]View定義の確認方法

select definition from pg_views where viewname = 'city_countries';
                                   definition
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  SELECT cities.city_id,                                              +
     cities.city,                                                     +
     countries.country_id,                                            +
     countries.country                                                +
    FROM (cities                                                      +
      JOIN countries ON ((cities.country_id = countries.country_id)));
(1 row)