text: /*
  *  删除表
  */
  
  
  DROP TABLE IF EXISTS public.book_set_items;
  DROP TABLE IF EXISTS public.book_set_values;
  
  DROP TABLE IF EXISTS public.book_chapters;
  DROP TABLE IF EXISTS public.books;
  
  DROP TABLE IF EXISTS public.client;
  DROP TABLE IF EXISTS public.comments;
  
  DROP TABLE IF EXISTS public.rankings_details;
  DROP TABLE IF EXISTS public.rankings;
  
  DROP TABLE IF EXISTS public.replys;
  
  DROP TABLE IF EXISTS public.role_sets;
  DROP TABLE IF EXISTS public.roles;
  
  DROP TABLE IF EXISTS public.settings;
  
  DROP TABLE IF EXISTS public.templates;
  DROP TABLE IF EXISTS public.temp_items;
  DROP TABLE IF EXISTS public.book_sets;
  
  DROP TABLE IF EXISTS public.time_point_events;
  
  DROP TABLE IF EXISTS public.user_information;
  DROP TABLE IF EXISTS public.users;
  
  DROP TABLE IF EXISTS public.word_similar;
  DROP TABLE IF EXISTS public.word_thinks;
  DROP TABLE IF EXISTS public.words;
  
  /*  rankings 依赖  */
  DROP TABLE IF EXISTS public.architectures;