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class AddIdentityTable < ActiveRecord::Migration
def up
create_table :identities do |t|
t.string :extern_uid
t.string :provider
t.references :user
end
add_index :identities, :user_id
User.where("provider is not NULL").find_each do |user|
execute "INSERT INTO identities(provider, extern_uid, user_id) VALUES('#{user.provider}', '#{user.extern_uid}', '#{user.id}')"
end
#TODO remove user's columns extern_uid and provider
end
def down
#TODO
end
end
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