{"id":1758,"date":"2013-08-07T11:19:59","date_gmt":"2013-08-07T02:19:59","guid":{"rendered":"http:\/\/www.whoocus.com\/blog\/?p=1758"},"modified":"2013-08-07T11:45:49","modified_gmt":"2013-08-07T02:45:49","slug":"rails-rake-dbmigrate-%e3%81%a7%e3%82%ab%e3%83%a9%e3%83%a0%e5%90%8d%e5%a4%89%e6%9b%b4","status":"publish","type":"post","link":"https:\/\/www.blowfish.co.jp\/?p=1758","title":{"rendered":"rails rake db:migrate \u3067\u30ab\u30e9\u30e0\u540d\u5909\u66f4"},"content":{"rendered":"<p>\u307e\u305a\u306f\u3001\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u306e\u81ea\u52d5\u751f\u6210\u3002<br \/>\n[bash]<br \/>\nrails generate migration RenameColumnToTargetTable<br \/>\n[\/bash]<\/p>\n<p>\u3059\u308b\u3068\u3001\u4e0b\u8a18\u306e\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u304c\u751f\u6210\u3055\u308c\u308b\u3002<br \/>\n\u3061\u306a\u307f\u306b\u30d5\u30a1\u30a4\u30eb\u540d\u306f\u74b0\u5883\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u3002<\/p>\n<p>2013080112000000_rename_column_to_target_table.rb<br \/>\n[ruby]<br \/>\nclass RenameColumnToTargetTable &lt; ActiveRecord::Migration<br \/>\n  def change<br \/>\n    rename_column :target_table, : old_column, :new_column<br \/>\n  end<br \/>\nend<br \/>\n[\/ruby]<\/p>\n<p>\u30de\u30a4\u30b0\u30ec\u30fc\u30c8\u306e\u5b9f\u884c\u3002<br \/>\n[bash]<br \/>\nrake db:migrate<br \/>\n[\/bash]<\/p>\n<p>rake db:migrate\u3092\u4f7f\u7528\u3057\u3066\u306e\u3001\u904b\u7528\u4e2d\u306eDB\u3078\u306e\u66f4\u65b0\u306f\u521d\u3081\u3066\u3067\u6016\u304b\u3063\u305f\u306e\u3067\u3042\u308b\u304c\u3001\u96e3\u306a\u304f\u6210\u529f\u3002<\/p>\n<p>\u5f53\u7136\u3001migrate\u5b9f\u884c\u3059\u308b\u524d\u306b\u3001\u5fc5\u305a\u30d0\u30c3\u30af\u30a2\u30c3\u30d7\u53d6\u3063\u3066\u304a\u3044\u3066\u306d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u307e\u305a\u306f\u3001\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u306e\u81ea\u52d5\u751f\u6210\u3002 [bash] rails generate migration RenameColumnToTargetTable [\/bash] \u3059\u308b\u3068\u3001\u4e0b\u8a18\u306e\u30de\u30a4\u30b0\u30ec\u30fc\u30b7\u30e7\u30f3\u30d5\u30a1\u30a4\u30eb\u304c\u751f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"saved_in_kubio":false,"footnotes":""},"categories":[23,25,14,4],"tags":[],"class_list":["post-1758","post","type-post","status-publish","format-standard","hentry","category-heroku","category-rails","category-ruby","category-tech"],"_links":{"self":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/1758","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1758"}],"version-history":[{"count":4,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/1758\/revisions"}],"predecessor-version":[{"id":1762,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=\/wp\/v2\/posts\/1758\/revisions\/1762"}],"wp:attachment":[{"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1758"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1758"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.blowfish.co.jp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1758"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}