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GitHub - bjones/safe_attributes: Add support for reserved word column names with ActiveRecord
By default Rails/ActiveRecord 3 creates attribute accessors for all database table columns in each model. Columns with specific names cause errors because they result in ActiveRecord redefining a key method within either Ruby or ActiveRecord in an incompatible way. A classic example is any table with a column named ‘class’, though there are other possible examples. Put simply, this gem makes it ea
[rails] ActiveRecord3ã® connection_pool ã®æŒ™å‹•ã‚’調ã¹ãŸ - よã—ã メモ
基本的ã«Railsã§ã¯å˜ä¸€ã®DBを使用ã™ã‚‹ã‚ˆã†ã«è¨è¨ˆã•ã‚Œã¦ã„ã¾ã™ã€‚ã¨ã¯ã„ãˆè² è·è»½æ¸›ã®ãŸã‚ã ã£ãŸã‚Šã€ã‚ã‚‹ã„ã¯æ§˜ã€…ãªã—ãŒã‚‰ã¿ã®ãŸã‚ã«è¤‡æ•°ã®DBã«æŽ¥ç¶šã—ãªã‘ã‚Œã°ã„ã‘ãªã„å ´åˆãŒãŸã¾ã«ã‚ã£ãŸã‚Šã™ã‚‹ã¨æ€ã„ã¾ã™ã€‚ã—ã‹ã‚‚残念ãªäº‹ã«é•ã†DBã«åŒã˜åå‰ã®ãƒ†ãƒ¼ãƒ–ルãŒã‚ã£ãŸã‚Šã—ã¦ã©ã†ã™ã‚“ã よコレã¨ãªã‚‹ã“ã¨ã‚‚ç„¡ã„ã¨ã¯è¨€ãˆãªã„ã§ã—ょã†ã€‚ ActiveRecord ㌠connection pool ã«å¯¾å¿œã—ãŸã®ã¯çŸ¥è˜ã¨ã—ã¦ã¯çŸ¥ã£ã¦ã„ã¾ã—ãŸãŒè¤‡æ•°ã®DBã«å®Ÿéš›ã«ã¤ãªãŽã«ã„ã£ãŸã°ã‚ã„ connection ã¯ã©ã†ãªã‚‹ã®ï¼Ÿã¨ç–‘å•ã«æ€ã£ãŸã®ã§èª¿ã¹ã¦ã¿ã¾ã—ãŸã€‚ # activerecord-3.0.3/lib/active_record/connection_adapters/abstract/connection_specification.rb 51行目 - 82行目 def self.establish_connectio
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ã€è¨‚æ£ã€‘Railsã§connectionæ•°ã‚’ç ´ç¶»ã•ã›ãšã«establish_connectionã§åˆ¥DBを利用ã™ã‚‹ - 車輪ã®å†ç™ºæ˜Ž
å‰ã®ã‚¨ãƒ³ãƒˆãƒªï¼ˆhttp://d.hatena.ne.jp/raugisu/20120428/1335598633）ã§ã€ActiveRecord ã§åˆ¥DBã«æŽ¥ç¶šã™ã‚‹ãŸã‚ã« establish_connection を安易ã«ä½¿ã†ã“ã¨ã§ç™ºç”Ÿã™ã‚‹åœ°ç„ã«ã¤ã„ã¦æ›¸ã„ãŸã€‚ ã‚“ã§ã€ãã®åœ°ç„ã¸ã®å¯¾ç–ã¨ã—ã¦æŒ™ã’ãŸã‚‚ã®ã®ãªã‹ã§ã€ä¸€ç•ªè‰¯ã„ã¨æ€ã‚れるã€ã€Œåˆ¥DBã¸ã®ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãƒ—ールを引ãå—ã‘るクラスを作ã£ã¦ç¶™æ‰¿ã™ã‚‹ã€æ–¹æ³•ã‚’試ã—ã¦ã¿ãŸã€‚ ã¶ã£ã¡ã‚ƒã‘ã€å…ƒãƒã‚¿ï¼ˆhttp://d.hatena.ne.jp/rudeboyjet/20101221/p1 ）ã®ã»ã†ãŒã‚ãƒãƒ³ã¨ã—ã¦ã‚‹ã®ã§ã€ãã£ã¡è¦‹ãŸæ–¹ãŒå‚考ã«ãªã‚‹ã€‚ （2012/5/8ã€ã‚³ãƒ¡ãƒ³ãƒˆæ¬„ã§ã€Œself.abstract_class = trueã€ã®è¨å®šã®æŒ‡æ‘˜ã‚’ã„ãŸã ã„ãŸã®ã§è¨‚æ£ã—ã¾ã—ãŸã€‚ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã—ãŸï¼ï¼‰ （2012/5/29ã€è¨‚æ£éƒ¨åˆ†ã€æ‰“ã¡æ¶ˆã—ç·šã§è¨‚æ£ã¨ã‹ã—ã¦ãŸã‚“
ActiveRecordã®establish_connectionã«æ°—ã‚’ã¤ã‘ã‚ - 車輪ã®å†ç™ºæ˜Ž
Rails3.1.3ã®è©±ã€‚ 別DBã«ã¤ãªãã¨ãã®ã€ActiveRecordã®establish_connectionã«æ°—ã‚’ã¤ã‘ã‚。やã¤ã¯ï¼‘クラスã”ã¨ã«ç‹¬è‡ªã«database.ymlã®poolè¨å®šåˆ†ã®ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ãƒ—ールを作るãžãƒƒã€‚プールã®æ„味ãªã„ï¼ï¼ マスターDB1å°ã§é‹ç”¨ã—ã¦ã„ã‚‹ã¨ãã¯å…¨ç„¶å•é¡Œãªã„。コãƒã‚¯ã‚·ãƒ§ãƒ³ãƒ—ールã¯å¤§å¤‰è³¢ãåƒã„ã¦ãれる。ã ãŒã€2å°ç›®ã‚’é‹ç”¨ã—始ã‚ãŸã¨ãã€å®‰æ˜“ã«establish_connectionã§ã¤ãªãã¨ç°¡å˜ã« too many connections ã§ã€è½ã¡ã‚‹ã€‚ ãŸã¨ãˆã°ã€ãƒ¯ãƒ¼ã‚«ãƒ¼10個ã§ã€establish_connectionã§åˆ¥DB「hoge_dbã€ã«æŽ¥ç¶šã™ã‚‹ã“ã¨ã«ã—ãŸã‚¯ãƒ©ã‚¹ãŒ10個ã‚ã£ãŸã¨ã—よã†ã€‚ãã®åˆ¥DBã¸ã®æŽ¥ç¶šè¨å®šï¼ˆdatabase.yml）㧠「pool: 5〠ã¨ã—ãŸã¨ã—よã†ã€‚ ãã—ã¦ãƒ¯ãƒ¼ã‚«ãƒ¼ã‚’ç«‹ã¡ä¸Šã’ãŸã¨ãã€hoge_dbã¸ã®ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³æ•°ã¯ã¿ã‚‹
第43回　Rails 3を支ãˆã‚‹å脇役ãŸã¡ ãã®1 - Arel - | gihyo.jp
ã¯ã˜ã‚ã« Ruby on Railsã®2å¹´åŠã¶ã‚Šã®ãƒ¡ã‚¸ãƒ£ãƒ¼ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚¢ãƒƒãƒ—ã§ã‚ã‚‹3.0ã®æ£å¼ãƒªãƒªãƒ¼ã‚¹ãŒã„よã„よ間近ã«è¿«ã£ã¦ãã¾ã—ãŸã€‚ Rails 3ã¯ã€ã‚¢ãƒ—リケーション・レベルã§ã¯Rails 2.3ã¨ã®äº’æ›æ€§ã‚’ãªã‚‹ã¹ãä¿ã¡ãªãŒã‚‰ã‚‚ã€ãƒ¡ã‚¸ãƒ£ãƒ¼ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚¢ãƒƒãƒ—ã ã‘ã‚ã£ã¦ãƒ•ãƒ¬ãƒ¼ãƒ ワーク自体ã¯éš…々ã«ã¾ã§å¾¹åº•çš„ãªãƒªãƒ•ã‚¡ã‚¯ã‚¿ãƒªãƒ³ã‚°ãŒæ–½ã•ã‚Œã¦æ›´ãªã‚‹æ´—ç·´ã‚’é‚ã’ã¦ã„ã¾ã™ã€‚çµæžœã¨ã—ã¦ã€Rails 3ã§ã¯èžé€šã®åŠ¹ã‹ãªã„ãƒ•ãƒ«ã‚¹ã‚¿ãƒƒã‚¯æ§‹é€ ã‚’æ¨ã¦ã¦ã™ã£ãã‚Šã¨ã—ãŸãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ç‹¬ç«‹æ€§ãŒå®Ÿç¾ã•ã‚Œã¦ã„ã‚‹ã®ã§ã™ãŒã€ã“ã®éš›ã«ã€Merbã¨ã®åˆä½µã®å½±éŸ¿ã‚‚ã‚ã£ã¦ã‹ã€ã„ãã¤ã‹ã®æ–°ãŸãªå¤–部ライブラリã«ä¾å˜ã™ã‚‹å½¢ã«ãªã£ã¦ã„ã‚‹ã®ã‚‚興味深ã„ã¨ã“ã‚ã§ã™ã€‚ ãã“ã§æœ¬ç¨¿ã§ã¯ã€ã‚ãˆã¦Rails 3ãã®ã‚‚ã®ã§ã¯ãªãã€ã“ã®Rails 3ã®å¤§æ”¹é€ ã®èˆžå°è£ã‚’支ãˆã‚‹è£æ–¹ã•ã‚“ã«ã‚¹ãƒãƒƒãƒˆãƒ©ã‚¤ãƒˆã‚’当ã¦ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ Arelã«ã‚ˆã£ã¦ãƒ‘ラダイムãŒå¤§ãã変ã‚ã£ãŸAct
ActiveRecord ã®æ©ãæ–¹ - Association ç·¨(4) - elm200 ã®æ—¥è¨˜(æ—§ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼)
å‰å›žã¾ã§ã®å¾©ç¿’ ã“ã®ã€ŒActiveRecord ã®æ©ãæ–¹ - Association ç·¨ã€ã‚‚今回ã§4回目を迎ãˆã‚‹ã€‚ãã‚‚ãã‚‚ã®ç–‘å•ã®å§‹ã¾ã‚Šã¯ã€ ▼コード 1 class Entry < ActiveRecord::Base has_many :comments end class Comment < ActiveRecord::Base end ã¨ã„ã†ãƒ¢ãƒ‡ãƒ«ã«ãŠã„ã¦ã€ ▼コード 2 entry = Entry.find(1) entry.comments # <= ã“ã“ã«æ³¨ç›® ã® entry.comments ã® "comments" ã¯ä½•ï¼Ÿã¨ã„ã†ã“ã¨ã ã£ãŸã€‚ ã„ã¾ã¾ã§åˆ†ã‹ã£ãŸã“ã¨ã‚’ã¾ã¨ã‚ã‚‹ã¨ã€ entry.comments ã® "comments" 㯠Entry クラスã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰(Entry#comments) associations.rb ã® has_many() ã‹ã‚‰é–“
activerecord-alt-mongo-adapter is a MongoDB adapter for ActiveRecord.
activerecord-alt-mongo-adapter is a MongoDB adapter for ActiveRecord. Copyright © 2010 SUGAWARA Genki Description activerecord-alt-mongo-adapter is a MongoDB adapter for ActiveRecord. activerecord-alt-mongo-adapter depend on MongoDB Ruby Driver. see www.mongodb.org/display/DOCS/Home , api.mongodb.org/ruby/0.18.3/index.html Project Page rubyforge.org/projects/araltmongo/ Install gem install active
Named Scopes Are Dead | railway
**Clarification:** This post has been sitting unfinished on my disk for a couple of weeks but the update issues I ran into recently finally made me finish and publish it. I didn’t write this post to insult or bash Rails 3 or its contributors for the scope/arel bug I’m mentioning somewhere along the road. I’ve created a [ticket in the Rails Lighthouse project](https://rails.lighthouseapp.com/projec
ãªãœMongoDBãªã®ã‹ - Masatomo Nakano Blog
ã“ã“を見ã¦ã‚‚らã£ã¦ã‚‹äººã«ã€ã€ŒMongoDBã£ã¦ä½•ãŒã„ã„ã®ï¼Ÿã€ã¨æ”¹ã‚ã¦èžã‹ã‚Œã¦ã—ã¾ã£ã¦ã€ã‚ã‚ã€ãã£ã‹ã€ãã†ã„ã†ã“ã¨æ›¸ã„ã¦ãªã‹ã£ãŸãªã€ã¨æ€ã£ãŸã®ã§ã€ãªãœè‡ªåˆ†ãŒMongoDBã«èˆˆå‘³ã‚’æŒã£ã¦ã„ã‚‹ã®ã‹ã€ã¨ã„ã†ã“ã¨ã‚’書ã„ã¦ã¿ãŸã€‚ã„ã–自分ã®æ€ã„を書ã„ã¦ã¿ãŸã‚‰Railsä¸å¿ƒã®è©±ã«ãªã£ã¦ã—ã¾ã£ãŸã‘ã©ã€ãƒ¢ãƒ€ãƒ³ãªãƒ•ãƒ¬ãƒ¼ãƒ ワークãªã‚‰ãã‚“ãªã«è©±ã¯å¤‰ã‚らãªã„ã®ã‹ãªã€ã¨æ€ã£ã¦ã„る。 ãã‚‚ãã‚‚ã®ãã£ã‹ã‘ã¯ã€ã“ã“åŠå¹´é–“ãらã„Ruby on Rails(以下RoR)ã§é–‹ç™ºã—ã¦ã„ã‚‹ã“ã¨ã«ã‚る。 ã“ã“åŠå¹´å¼±ã»ã©RoRã§é–‹ç™ºã‚’ã—ã¦ã€ãã‚Œãªã‚Šã«æº€è¶³ã—ã¦ã„ã‚‹ã®ã ã‘ã©ã€ActiveRecordã«é–¢ã—ã¦ã¯è‰²ã€…ã¨ã²ã£ã‹ã‹ã‚‹ã¨ã“ã‚ãŒã‚ã£ãŸã€‚ 「ActiveRecordãŒRoRã®ç´ 晴らã—ã„ã¨ã“ã‚ãã®ã‚‚ã®ã ã€ã¨è©•ä¾¡ã—ã¦ã„る人もã„ã‚‹ãŒã€è‡ªåˆ†ã®ä¸ã§ã¯é€†ã§ã€ActiveRecordã¯RoRã®ä¸ã§ã‚‚ã‹ãªã‚Šã„ã¾ã„ã¡ãªéƒ¨åˆ†ã€‚ ã„ã‚„ã€ActiveRecordã¨
has_many :bugs, :through => :rails: Active Record Query Interface 3.0
I’ve been working on revamping the Active Record query interface for the last few weeks ( while taking some time off in India from consulting work, before joining 37signals ), building on top of Emilio’s GSOC project of integrating ARel and ActiveRecord. So here’s an overview of how things are going to work in Rails 3. What’s going to be deprecated in Rails 3.1 ? These deprecations will be effecti
Ruby 㨠JRuby ã§ã‚·ãƒ¼ãƒ レス㫠ActiveRecord を使ã†æ–¹æ³• - ヽ( ・∀・)ノãã¾ãã¾ãƒ¼ - s21g
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Rubyist Magazine -RubyOnRails を使ã£ã¦ã¿ã‚‹ -第3回 ActiveRecord
『るã³ã¾ã€ã¯ã€Ruby ã«é–¢ã™ã‚‹æŠ€è¡“記事ã¯ã‚‚ã¡ã‚ã‚“ã®ã“ã¨ã€Rubyist ã¸ã®ã‚¤ãƒ³ã‚¿ãƒ“ューやエッセイã€ãã®ä»–ã‚’ãŠå±Šã‘ã™ã‚‹ã‚¦ã‚§ãƒ–雑誌ã§ã™ã€‚ Rubyist Magazine ã«ã¤ã„㦠『Rubyist Magazineã€ã€ç•¥ã—ã¦ã€Žã‚‹ã³ã¾ã€ã¯ã€æ—¥æœ¬ Ruby ã®ä¼šã®æœ‰å¿—ã«ã‚ˆã‚‹ Rubyist ã® Rubyist ã«ã‚ˆã‚‹ã€Rubyist ã¨ãã†ã§ãªã„人ã®ãŸã‚ã®ã‚¦ã‚§ãƒ–雑誌ã§ã™ã€‚ æœ€æ–°å· Rubyist Magazine 0058 å· ãƒãƒƒã‚¯ãƒŠãƒ³ãƒãƒ¼ Rubyist Magazine 0058 å· RubyKaigi 2018 ç›´å‰ç‰¹é›†å· Rubyist Magazine 0057 å· RubyKaigi 2017 ç›´å‰ç‰¹é›†å· Rubyist Magazine 0056 å· Rubyist Magazine 0055 å· Rubyist Magazine 0054 å· æ±äº¬ Ruby ä¼šè° 11 ç›´
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Railsã§æ—¢å˜DBã‚’æµç”¨ã—ãŸã¨ãã®DangerousAttributeErrorを解消 - Qiita
GitHub - binarylogic/searchlogic: Searchlogic provides object based searching, common named scopes, and other useful tools.
GitHub - redinger/validation_reflection: This plugin adds reflective access to validations
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