[B! activerecord][ruby] starsky5ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

starsky5 id:starsky5

activerecordã¨rubyã«é–¢ã™ã‚‹starsky5ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ”ãƒ³ã‚°ã«åŠ¹ãRoRã®DBç§»è¡Œãƒ»å¤‰æ›æ©Ÿèƒ½ â€• ï¼ IT
ä»Šå›žã¯RoRã§ã‚¢ã‚¸ãƒ£ã‚¤ãƒ«ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ”ãƒ³ã‚°ã®å®Ÿè·µç·¨ã¨ã—ã¦ã€ç†è€…ãŒç‰¹ã«æ°—ã«å…¥ã£ã¦ã„ã‚‹ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³æ©Ÿèƒ½ã‚’ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã¯ãƒ—ãƒãƒˆã‚¿ã‚¤ãƒ”ãƒ³ã‚°ã®ã¿ãªã‚‰ãšã€ãã‚Œä»¥é™ã®ãƒ•ã‚§ãƒ¼ã‚ºã§ã‚‚æ´»ç”¨ã§ãã‚‹éžå¸¸ã«æœ‰ç”¨ãªæ©Ÿèƒ½ã§ã‚ã‚‹ã¨è€ƒãˆã¦ã„ã¾ã™ã€‚ ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã¨ã¯ä½•ã‹ï¼Ÿ ãã‚‚ãã‚‚ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã¨ã¯ä½•ã§ã—ã‚‡ã†ã‹ï¼Ÿ ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã€ç‰¹ã«ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã«ãŠã‘ã‚‹ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã¨ã¯ã€æ–°ã—ã„ç’°å¢ƒã«ç§»è¡Œã™ã‚‹éš›ã€æ•´åˆæ€§ã‚’ä¿æŒã—ãŸã¾ã¾ç§»è¡Œã‚’è¡Œã†ãŸã‚ã®ãƒ„ãƒ¼ãƒ«ã§ã‚ã‚‹ã¨ã„ãˆã‚‹ã‹ã¨æ€ã„ã¾ã™ã€‚ RoRã«ãŠã‘ã‚‹ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ RoRã«ãŠã‘ã‚‹ãƒžã‚¤ã‚°ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³æ©Ÿèƒ½ã¯ActiveRecord::Migrationã¨ãã‚Œã‚’åˆ©ç”¨ã™ã‚‹ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ã«å½“ãŸã‚‹Rakeã«ã‚ˆã£ã¦å®Ÿç¾ã•ã‚Œã¦ã„ã¾ã™ã€‚ Rakeã¯Ruby Makeã€ã¤ã¾ã‚Šã€Rubyç‰ˆmakeã¨ã§ã‚‚ã„ãˆã‚‹ãƒ“ãƒ«ãƒ‰ãƒ„ãƒ¼ãƒ«ã§ã™ãŒã€è¨˜è¿°è¨€èªžã¨ã—ã¦Ruby
starsky5 2010/11/05
activerecord

rails

migration

ruby
ãƒªãƒ³ã‚¯
ActiveRecordå˜ä½“ã§ä½¿ã£ã¦ã¿ã‚‹ï¼’ - å››è§’ã„è»Šè¼ªã®å†ç™ºæ˜Ž
æ¬¡ã¯ã‚ˆãã‚ã‚‹ä¸»ãƒ†ãƒ¼ãƒ–ãƒ«ã¨æ˜Žç´°ãƒ†ãƒ¼ãƒ–ãƒ«ã£ã¦ãƒ‘ã‚¿ãƒ¼ãƒ³ã‚’è©¦ã—ã¦ã¿ã‚‹ã€‚ãƒ†ãƒ¼ãƒ–ãƒ«å®šç¾©ã¯ä»¥ä¸‹ã®é€šã‚Š CREATE TABLE orders ( id int not null auto_increment, order_date datetime, customer_id int, PRIMARY KEY (id) ); CREATE TABLE order_details ( id int not null auto_increment, product_name varchar(100), product_num int, product_price int, order_id int, PRIMARY KEY (id) ); ãƒ—ãƒã‚°ãƒ©ãƒ ã¯ä»¥ä¸‹ã®é€šã‚Šã€‚ã¾ãšã¯ordersãƒ†ãƒ¼ãƒ–ãƒ«ã¨order_detailsãƒ†ãƒ¼ãƒ–ãƒ«ã¯ï¼‘å¯¾å¤šã®é–¢ä¿‚ã§ã‚ã‚‹ã“ã¨ã‚’Rubyã«æ•™ãˆã‚‹ã€‚æ¬¡ã«data_createãƒ¡ã‚½ãƒƒãƒ‰ã§ãã‚Œãž
starsky5 2009/11/19
activerecord

ruby
ãƒªãƒ³ã‚¯
ActiveRecordå˜ä½“ã§ä½¿ã£ã¦ã¿ã‚‹ - å››è§’ã„è»Šè¼ªã®å†ç™ºæ˜Ž
Railsã®æœ¬*1ã‚’èªã‚“ã§ã„ã¦ã€ActiveRecordã®æ©Ÿèƒ½ã®è±Šå¯Œã•ã«ã ã‚“ã ã‚“ã¤ã„ã¦ã„ã‘ãªããªã£ãŸã®ã§ç·´ç¿’ã®ãŸã‚ã«ã€å˜ç‹¬ã§ä½¿ã£ã¦ã¿ã‚‹ã€‚ã¾ãšä»¥ä¸‹ã®ã‚ˆã†ãªãƒ†ãƒ¼ãƒ–ãƒ«ã‚’MySQLã«æ§‹ç¯‰ CREATE TABLE customers ( id int not null auto_increment, name varchar(100), address varchar(100), PRIMARY KEY (id) ); ã§ãã‚ãŒã£ãŸã‚‰ä»¥ä¸‹ã®ãƒ—ãƒã‚°ãƒ©ãƒ ã‚’æ›¸ã„ã¦å®Ÿè¡Œã—ã¦ã¿ã‚‹ã€‚ require "rubygems" require_gem "activerecord" ActiveRecord::Base.establish_connection(:adapter=>"mysql",:host=>"localhost",:user=>"root",:password=>"*****",:database
starsky5 2009/11/19
activerecord

mysql

ruby
ãƒªãƒ³ã‚¯
ActiveRecordã‚’ä½¿ã£ãŸã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’èªã‚‚ã† ï¼ˆ1/4ï¼‰ï¼ ï¼ IT
ç¬¬3å›žã€€ActiveRecordã‚’ä½¿ã£ãŸã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã‚’èªã‚‚ã† å€‰è²« ç¾©äºº æ¾æ‘ ç« å¼˜ TISæ ªå¼ä¼šç¤¾ SonicGarden 2009/1/28 å„ªã‚ŒãŸãƒ—ãƒã‚°ãƒ©ãƒžã¯ã‚³ãƒ¼ãƒ‰ã‚’æ›¸ãã®ã¨åŒã˜ãã‚‰ã„ã€ã‚³ãƒ¼ãƒ‰ã‚’èªã¿ã“ãªã›ãªãã¦ã¯ãªã‚‰ãªã„ã€‚å„ªã‚ŒãŸã‚³ãƒ¼ãƒ‰ã‚’èªã‚€ã“ã¨ã§ã€è‡ªèº«ã®ã‚¹ã‚ãƒ«ã‚‚ä¸Šé”ã™ã‚‹ã®ã ï¼ˆç·¨é›†éƒ¨ï¼‰ ã“ã‚Œã¾ã§ã®2å›žã®è¨˜äº‹ã§ã€Railsã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®åŸºæœ¬çš„ãªæ§‹æˆã¨ã€ãƒ†ã‚¹ãƒ†ã‚£ãƒ³ã‚°ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯ã§ã‚ã‚‹RSpecã‚’ä½¿ã£ãŸã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã®ã‚³ãƒ¼ãƒ‰ãƒªãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã‚’è¡Œã£ã¦ãã¾ã—ãŸã€‚ä»Šå›žã¯ã€Railsã®ã‚ãƒ¢ã§ã‚‚ã‚ã‚‹DBã‚¢ã‚¯ã‚»ã‚¹å‡¦ç†ã®éƒ¨åˆ†ã‚’æ‰±ã†ActiveRecordã‚’æ·±ãæŽ˜ã‚Šä¸‹ã’ã¦ã‚³ãƒ¼ãƒ‰ãƒªãƒ¼ãƒ‡ã‚£ãƒ³ã‚°ã‚’è¡Œã„ã¾ã™ã€‚ ActiveRecordã¨ã¯ã€ã¾ã•ã—ãåŒåã®â€œActive Recordâ€ã¨ã„ã†DBã‚¢ã‚¯ã‚»ã‚¹ã«é–¢ã™ã‚‹ãƒ‡ã‚¶ã‚¤ãƒ³ãƒ‘ã‚¿ãƒ¼ãƒ³ã‚’å®Ÿè£…ã—ãŸãƒ©ã‚¤ãƒ–ãƒ©ãƒªã§ã™ã€‚ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’ã‚¯ãƒ©ã‚¹ã¨ã—ã¦ãƒ“ã‚¸ãƒã‚¹ãƒã‚¸ãƒƒã‚¯ã‚’æŒãŸã›ã€ãƒ†ãƒ¼
starsky5 2009/11/19
activerecord

rails

ruby

database
ãƒªãƒ³ã‚¯
Rubyist Magazine -RubyOnRails ã‚’ä½¿ã£ã¦ã¿ã‚‹ -ç¬¬3å›ž ActiveRecord
ã€Žã‚‹ã³ã¾ã€ã¯ã€Ruby ã«é–¢ã™ã‚‹æŠ€è¡“è¨˜äº‹ã¯ã‚‚ã¡ã‚ã‚“ã®ã“ã¨ã€Rubyist ã¸ã®ã‚¤ãƒ³ã‚¿ãƒ“ãƒ¥ãƒ¼ã‚„ã‚¨ãƒƒã‚»ã‚¤ã€ãã®ä»–ã‚’ãŠå±Šã‘ã™ã‚‹ã‚¦ã‚§ãƒ–é›‘èªŒã§ã™ã€‚ Rubyist Magazine ã«ã¤ã„ã¦ ã€ŽRubyist 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„äººã®ãŸã‚ã®ã‚¦ã‚§ãƒ–é›‘èªŒã§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›´
starsky5 2009/11/14
activerecord

rails

database

ruby
ãƒªãƒ³ã‚¯
Ruby on Rails - ActiveRecord - â€” ã‚ã‚Šãˆã‚‹ãˆã‚Šã‚
æ–¹é‡ Rubyã‚’çŸ¥ã£ã¦ã„ã‚‹å‰æã§ã™(å‰å›žã®å‹‰å¼·ä¼šã®è³‡æ–™ http://dev.ariel-networks.com/articles/workshop/ruby/) RDBã®åŸºç¤ŽçŸ¥è˜ãŒå‰æã§ã™ ãªã‚‹ã¹ãæ‰‹ã‚’å‹•ã‹ã—ã¦ç›®ã«è¦‹ãˆã‚‹å½¢ã§èª¬æ˜Žã‚’é€²ã‚ã¾ã™ Ruby on Rails(ä»¥ä¸‹ã€Rails)å…¨ä½“ã¯å·¨å¤§ãªã®ã§ã€ActiveRecord(ORMå±¤)ã«è©±ã‚’é™å®šã—ã¾ã™(Webå±¤ã¯æ¬¡å›ž) Webã‹ã‚‰åˆ‡ã‚Šé›¢ã—ã¦irb or ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ã§ActiveRecordã‚’ä½¿ã„ã¾ã™
starsky5 2009/11/14
rails

ruby

activerecord
ãƒªãƒ³ã‚¯
1