Railsã§ãã¿ã°ããå®è£ ããå ´åã«ã¯ãacts_as_taggableããå©ç¨ããã®ãã¹ã¿ã³ãã¼ãã¨æãããããå®éã«ä½¿ç¨ãã¦ã¿ãã¨ããçµæ§ä¸æºç¹ãã§ã¦ããã find_tagged_with ãªãã§AR#findã®åãªãã·ã§ã³ã使ããªãã®ï¼ ã:includeãã:orderãã:conditionsããããã®ãªãã·ã§ã³ã¯ä½¿ããããªããã¨ãå¤ãã¨æããç¹ã«ARã¢ãã«ã®ãªã¹ã表示ãããéã«ã:include => :tagsãã¨ããããã¨ã¯å¤ãããããªãããªãã è¤æ°ã®ã¿ã°ãæå®ããã¨ã©ããã¦ORæ¡ä»¶ã§æ¤ç´¢ãããã®ï¼ ã¿ã°ã§æ¤ç´¢ããå ´åã£ã¦è¤æ°ã®ã¿ã°ãæå®ãããçµãè¾¼ã¿ãæå¾ ããã®ãæ®éãªããããªãã®ããªï¼ ãã¼ã¸ãã¼ã·ã§ã³ãããã«ã¯SQLææ¸ããªãã¨é§ç®ï¼ èªåã®åä¸è¶³ãªã®ãããããªãããã©countåå¾ããã¨ããã§ã©ããã¦ãfind_by_sqlãå®è¡ããªãã¨åããªããã©ã¤ãã©ãªå´ã§


{{#tags}}- {{label}}
{{/tags}}