2013-02-05 14:16:51 -05:00
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class AddUsernameLowerToUsers < ActiveRecord::Migration
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def up
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add_column :users, :username_lower, :string, limit: 20
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execute "update users set username_lower = lower(username)"
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2013-03-23 11:02:59 -04:00
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add_index :users, [:username_lower], unique: true
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2013-02-05 14:16:51 -05:00
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change_column :users, :username_lower, :string, limit: 20, null:false
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end
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def down
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remove_column :users, :username_lower
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end
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end
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