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class AddLowerloginToUsers < ActiveRecord::Migration[4.2]
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def up
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add_column :users, :lower_login, :string, :limit => 255
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add_index :users, :lower_login, :unique => true
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# reset the column information in case any future migration relies on
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# User.find_by_lower_login method
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User.reset_column_information
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end
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def down
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remove_index :users, :lower_login
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remove_column :users, :lower_login
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end
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end
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