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20200703125016_backfill_namespace_settings.rb « post_migrate « db - gitlab.com/gitlab-org/gitlab-foss.git - Unnamed repository; edit this file 'description' to name the repository.
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# frozen_string_literal: true

class BackfillNamespaceSettings < ActiveRecord::Migration[5.2]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  MIGRATION = 'BackfillNamespaceSettings'
  DELAY_INTERVAL = 2.minutes
  BATCH_SIZE = 10_000

  disable_ddl_transaction!

  class Namespace < ActiveRecord::Base
    include EachBatch

    self.table_name = 'namespaces'
  end

  def up
    say "Scheduling `#{MIGRATION}` jobs"

    queue_background_migration_jobs_by_range_at_intervals(Namespace, MIGRATION, DELAY_INTERVAL, batch_size: BATCH_SIZE)
  end

  def down
    # NOOP
  end
end