GitHub - ridgepole/ridgepole: Ridgepole is a tool to manage DB schema. It defines DB schema using Rails DSL, and updates DB schema according to DSL. (like Chef/Puppet)
Note ridgepole v3.0.0 Support Rails 8.0 (cf. #504) ridgepole v2.0.0 Support Trilogy (cf. #447) Support Rails 7.1 (cf. #441) Drop support AcriveRecord 6.0 (cf. #440) Drop support ActiveRecord 5.x in ridgepole v1.2.0. Partitioning is no longer supported in ridgepole v1.1.0. ActiveRecord 7.x has some incompatible changes. If you get unintended differences in datetime columns consider changing precisi
[ruby][sequel] Sequel ã®ä½¿ã„æ–¹ - HsbtDiary(2012-03-24)
â– [ruby][sequel] Sequel ã®ä½¿ã„æ–¹ tDiary on heroku 㯠heroku postgres ã«ä¿å˜ã—ãŸãƒ‡ãƒ¼ã‚¿ã‚’å–り出ã™ã®ã« Sequel を使ã£ã¦ã‚‹ã‚“ã ã‘ã©ã€Sequel 㯠ORM ã¨ã—ã¦ã¡ã‚ƒã‚“ã¨å¯¾å¿œã—ã¦ãªã„よã†ãªãƒ‡ãƒ¼ã‚¿ã‚’ãˆã„やーã¨å–り出ã—ãŸã‚Šä¿å˜ã—ãŸã‚Šæ™‚ã«ä¾¿åˆ©ã€‚å…¬å¼ã‚µã‚¤ãƒˆã®ãƒ‰ã‚ュメントãŒå……実ã—ã¦ã„ã‚‹ã®ã§ã€ãã“を見れã°ã ã„ãŸã„ã®äº‹ã¯æ›¸ã„ã¦ã‚ã‚‹ã‘ã©ã€ã•ãã£ã¨ä½¿ã†ãªã‚‰ä¸‹ã®ã‚ˆã†ãªæ„Ÿã˜ã€‚ db = Sequel.connect('postgres://hsbt:''@localhost/tdiary_development') db['diaries'].insert(:date => '20110204', :body => 'bob') db['diaries'].filter(:date => '20110204').update(:body => 'a
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第14回　DataMapperã®ä½¿ã„æ–¹ | gihyo.jp
DataMapperã®ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆã¯ã€åŸºæœ¬çš„ã«ã‚¯ãƒ©ã‚¹ã§ã¯ãªãモジュールã¨ã—ã¦æä¾›ã•ã‚Œã¦ã„ã‚‹ãŸã‚ã€ã‚¢ãƒ—リケーションã§åˆ©ç”¨ã™ã‚‹ãƒ¢ãƒ‡ãƒ«ã‚¯ãƒ©ã‚¹ã«ã‚¤ãƒ³ã‚¯ãƒ«ãƒ¼ãƒ‰ã—ã¦ä½¿ã„ã¾ã™ã€‚ Resourceモジュールをインクルードã™ã‚‹ã¨ã€è‡ªå‹•çš„ã«ModelモジュールãŒextendã•ã‚Œã€Personクラスã¯Modelクラスã¨ã—ã¦æŒ¯ã‚‹èˆžã†ã‚ˆã†ã«ãªã‚Šã¾ã™ã€‚ã“ã‚Œã¯å›³1ã®Personã«ç›¸å½“ã—ã¾ã™ã€‚ 図1ã®Person Mapperã«ç›¸å½“ã™ã‚‹ä»•çµ„ã¿ã¯Repositoryã§ã™ã€‚Repositoryã¯ã€create, update, delete, read_one, read_manyãªã©ã®ã€ãƒ‡ãƒ¼ã‚¿ã‚¹ãƒˆã‚¢ã«å¯¾ã™ã‚‹åŸºæœ¬çš„ãªæ“作ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã‚’è¦å®šã—ã¾ã™ã€‚Modelクラスã¯ã€Repositoryã¸ã®å‚照をæŒã£ã¦ã„ã¦ã€ Modelクラスã«ã‚ˆã‚‹ãƒ‡ãƒ¼ã‚¿ã‚¹ãƒˆã‚¢ã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ã¯ã€å…¨ã¦Repositoryを介ã—ã¦è¡Œã‚ã‚Œã¾ã™ã€‚ã“ã®éš›ã€ãƒ‡ãƒ¼ã‚¿ã‚¹
What's new in Edge Rails: EXPLAIN
The result of that method call is a string that carefully imitates the output of database shells. For example, under MySQL you get something similar to EXPLAIN for: SELECT `users`.* FROM `users` INNER JOIN `posts` ON `posts`.`user_id` = `users`.`id` WHERE `users`.`id` = 1 +----+-------------+-------+-------+---------------+---------+---------+-------+------+-------------+ | id | select_type | tabl
Leopard Macbookã«MySQLをインストール～Railsã§ä½¿ãˆã‚‹ã‚ˆã†ã«ã™ã‚‹ã¾ã§ï½œDIGITAL SQUADブãƒã‚°
Leopard Macbookã«MySQLをインストール～Railsã§ä½¿ãˆã‚‹ã‚ˆã†ã«ã™ã‚‹ã¾ã§ Leopard Macbookã«MySQLインストール～Railsã§rake db:migrateã§ãるよã†ã«ãªã‚‹ã¾ã§ã€ã„ã‚ã„ã‚ã¨è‹¦åŠ´ã—ãŸã®ã§ãã®ã¾ã¨ã‚。 â– MySQLã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« ダウンãƒãƒ¼ãƒ‰ãƒšãƒ¼ã‚¸ï¼ˆåŸ·ç†æ™‚ã®æœ€æ–°ç‰ˆ5.0）ã‹ã‚‰ Mac OS X 10.5 (x86_64)をダウンãƒãƒ¼ãƒ‰ã€‚ ダウンãƒãƒ¼ãƒ‰ã—ãŸãƒ•ã‚¡ã‚¤ãƒ«ã®æ‰‹é †ã«å¾“ã£ã¦ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã€‚ ■データベースã®ä½œæˆ ã¾ãšã¯ã‚¨ã‚¤ãƒªã‚¢ã‚¹ã‚’作æˆã€‚ã“ã‚Œã§mysql hogehoge mysqlamdmin hoge hogeã§ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ä½œæˆãªã©ã®ã‚³ãƒžãƒ³ãƒ‰ãŒå¯èƒ½ã€‚ alias mysql=/usr/local/mysql/bin/mysql alias mysqladmin=/usr/local/mysql/bin/mysqladmin â– sudo gem
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insertion crashes with "incompatible character encodings: ASCII-8BIT and UTF-8" error · Issue #229 · jruby/activerecord-jdbc-adapter
ActiveRecord returns data in ASCII-8Bit Under Ruby 1.9.2-rc1
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