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class MigrateStagesStatuses < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
BATCH_SIZE = 10000
MIGRATION = 'MigrateStageStatus'.freeze
class Stage < ActiveRecord::Base
self.table_name = 'ci_stages'
end
def up
index = 1
Stage.where(status: nil).in_batches(of: BATCH_SIZE) do |relation|
jobs = relation.pluck(:id).map { |id| [MIGRATION, [id]] }
schedule = index * 5.minutes
index += 1
BackgroundMigrationWorker.perform_bulk_in(schedule, jobs)
end
end
def down
disable_statement_timeout
execute <<-SQL.strip_heredoc
UPDATE ci_stages SET status = null
SQL
end
end
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