[B! datamapper] vkgtaroã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

vkgtaro id:vkgtaro

datamapperã«é–¢ã™ã‚‹vkgtaroã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (4)

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Sinatraã¨DataMapperã¨ERBã§ã‚µã‚¤ãƒˆä½œã£ãŸã®ã§ã‚½ãƒ¼ã‚¹ã‚’å…¬é–‹ã—ã¦ã¿ã‚‹ - ã ã‚‹ã‚ã
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vkgtaro 2009/11/26
ruby

sinatra

datamapper
ãƒªãƒ³ã‚¯
DataMapper ã‚’ä½¿ã† (Associations) - KrdLab's blog
ç›®æ¬¡ has n and belongs_to (One-To-Many) has n, :through (One-To-Many-Through) ã“ã“ã§ã¡ã‚‡ã£ã¨è£œè¶³ has, and belongs to, many (Or Many-To-Many) Self-Referential Has, and belongs to, many Adding To Associations Removing From Associations Customizing Associations Adding Conditions to Associations Finders off Associations å‚ç…§æƒ…å ± ã¯ã˜ã‚ã« ã“ã“ã§ã„ã† Association ã¨ã¯ï¼Œãƒ†ãƒ¼ãƒ–ãƒ« (DataMapper ã®å ´åˆã¯ãƒ¢ãƒ‡ãƒ«) é–“ã®é–¢é€£æ€§ã‚’ç¤ºã—ã¾ã™ï¼Žä¾‹ãˆã°ï¼ŒBlog ã®è¨˜äº‹ (Post ãƒ¢ãƒ‡ãƒ«) ã¯
vkgtaro 2009/11/26
ã“ã“è©³ã—ã„ã‹ã‚‚ã€‚

ruby

datamapper
ãƒªãƒ³ã‚¯
DataMapper ã§ã® Associations ã« Hook ã‚’ã‹ã‚‰ã¾ã›ã‚‹ - daily dayflower
DataMapper ã§ã® One-To-Many-Through - daily dayflower ã®ç¶šãã€‚ ä¸‹è¨˜ã¯ã‚ãã¾ã§èª¬æ˜Žã®ãŸã‚ã®ã‚µãƒ³ãƒ—ãƒ«((ã¾ã˜ã‚ã«ã‚¢ãƒ—ãƒªã¨ã—ã¦ã‚¤ãƒ³ãƒ—ãƒªãƒ¡ãƒ³ãƒˆã™ã‚‹ãªã‚‰ï¼Œå˜ã« User ã‚„ Mail ãƒ¢ãƒ‡ãƒ«ã«å‰Šé™¤ãƒ•ãƒ©ã‚°ï¼ˆã¨ã„ã†ã‹ available ãƒ•ã‚£ãƒ¼ãƒ«ãƒ‰ï¼Ÿï¼‰ã‚’ç”¨æ„ã—ã¦ãã“ã‚’æ“ä½œã™ã‚‹ã ã‘ã«ã™ã‚‹ã¨æ€ã†ã€‚))ã€‚ å˜ç´”ãª One-To-Many (belongs_to ã¨ has n) ã®å ´åˆ require 'rubygems' require 'dm-core' require 'dm-aggregates' # Collection ã® count() ç‰ã‚’ã‚ã¨ã§ä½¿ã†ãŸã‚ ### ãƒ¢ãƒ‡ãƒ«ã®å®šç¾© class User include DataMapper::Resource property :id, Serial property :name, String
vkgtaro 2009/11/26
ruby

orm

datamapper
ãƒªãƒ³ã‚¯
DataMapper ã§ã® One-To-Many-Through - daily dayflower
DataMapper 0.10.1 ãŒå¯¾è±¡ã€‚ å˜ç´”ãª One-To-Many ã§ã¯ãªãã¦ã€ã²ã¨ã¤é–“ã«ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’ã‹ã¾ã™ One-To-Many-Through ã®ãŠã¯ãªã—ã€‚ ãŸã¨ãˆã°ãƒ¦ãƒ¼ã‚¶ãƒ»ãƒ¦ãƒ¼ã‚¶é–“ã®ãƒ¡ãƒ¼ãƒ«ã®ã‚„ã‚Šã¨ã‚Šã‚’ãƒ¢ãƒ‡ãƒ«ã«èµ·ã“ã™ã¨ã—ã¦ã€ã‚ã‚‹ãƒ¦ãƒ¼ã‚¶ãŒè¤‡æ•°ã®ãƒ¦ãƒ¼ã‚¶ã«åŒæ™‚ã«åŒã˜ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã‚’é€ã‚‹ã“ã¨ãŒã§ãã‚‹ã¨ã™ã‚‹ã¨ã€ ãƒ¡ãƒ¼ãƒ«ã‚’è¡¨ã™ãƒ†ãƒ¼ãƒ–ãƒ« ãƒ¡ãƒ¼ãƒ«ã®å—ä¿¡è€…ã‚’è¡¨ã™ãƒ†ãƒ¼ãƒ–ãƒ« ã‚’ã‚ã‘ã‚‹ã“ã¨ã«ãªã‚‹ï¼ˆã¾ã‚ãƒ¡ãƒ¼ãƒ«ãƒ¬ã‚³ãƒ¼ãƒ‰ã‚’å—ä¿¡è€…æ•°åˆ†ã‚³ãƒ”ãƒ¼ã™ã‚Œã° One-To-Many ã§ã‚‚ã§ãã‚‹ã‘ã©ï¼‰ã€‚ ãã‚“ãªã¨ãã® DataMapper ã®ä½¿ã„æ–¹ã®è©±ï¼ˆDataMapper ã‚’ä½¿ã† (Associations) - KrdLab's blog ãŒã¨ã¦ã‚‚å‚è€ƒã«ãªã£ãŸï¼‰ã€‚ ãƒ¢ãƒ‡ãƒ«ã®å®šç¾© User ã¯ãƒ¦ãƒ¼ã‚¶ã‚’è¡¨ã™ãƒ¢ãƒ‡ãƒ« Mail ã¯ãƒ¡ãƒ¼ãƒ«ã‚’è¡¨ã™ãƒ¢ãƒ‡ãƒ« Mail::Recipient ã¯ãã®ãƒ¡ãƒ¼ãƒ«ã®å—ä¿¡è€…ï¼ˆã¸ã®ãƒžãƒƒãƒ”ãƒ³ã‚°ï¼‰ã‚’è¡¨ã™ãƒ¢ãƒ‡
vkgtaro 2009/11/26
ruby

orm

datamapper
ãƒªãƒ³ã‚¯
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