class EnsureLockVersionHasNoDefault < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
def up
change_column_default :issues, :lock_version, nil
change_column_default :merge_requests, :lock_version, nil
execute('UPDATE issues SET lock_version = 1 WHERE lock_version = 0')
execute('UPDATE merge_requests SET lock_version = 1 WHERE lock_version = 0')
end
def down
end
end