propel:
   blog_category:
     id: ~
     name: { type: varchar(255), required: true, index: unique }
   
   blog_article:
     id:  ~
     category_id: { type: integer, foreignTable: blog_category, foreignReference: id, requierd: true }
     title: { type:varchar(255), required: true, index: unique }
     article_content: { type: longvarchar, requierd: true}
     created_at: ~
     updated_at: ~
     is_publish: { type: boolean, required: false, delaulte: 1 }