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[英]Rails: Cannot add :precision or :scale options with change_column in a migration?
[英]Rails: cannot add column through migration
我有一個簡單的遷移:
class AddUpdateStatusToProducts < ActiveRecord::Migration
def self.up
add_column :products, :update_status, :integer, :default => 0
end
end
rake db:migrate
產生此錯誤:
rake aborted!
/Users/adam/rubydev/project_name/lib/tasks/scheduler.rake:90: syntax error, unexpected $end, expecting keyword_end
哪里出問題了? 表名正確,遷移語法也應正確...
問題出在以下文件中: /Users/adam/rubydev/project_name/lib/tasks/scheduler
,您忘了將其結尾或}放在第90行附近
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