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# frozen_string_literal: true
class ChangeNullPrivateProfileToFalse < ActiveRecord::Migration[5.1]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
DELAY = 30.seconds.to_i
BATCH_SIZE = 1_000
disable_ddl_transaction!
class User < ActiveRecord::Base
self.table_name = 'users'
include ::EachBatch
end
def up
change_column_default :users, :private_profile, false
# Migration will take about 120 hours
User.where(private_profile: nil).each_batch(of: BATCH_SIZE) do |batch, index|
range = batch.pluck('MIN(id)', 'MAX(id)').first
delay = index * DELAY
BackgroundMigrationWorker.perform_in(delay.seconds, 'MigrateNullPrivateProfileToFalse', [*range])
end
end
def down
change_column_default :users, :private_profile, nil
end
end
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