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instrumental/db/migrate/20190306145741_add_lock_version_to_polls.rb

22 lines
348 B
Ruby

# frozen_string_literal: true
class AddLockVersionToPolls < ActiveRecord::Migration[5.2]
disable_ddl_transaction!
def up
safety_assured do
add_column(
:polls,
:lock_version,
:integer,
null: false,
default: 0
)
end
end
def down
remove_column :polls, :lock_version
end
end