debian-mirror-gitlab/app/workers/prune_old_events_worker.rb
2018-11-08 19:23:39 +05:30

20 lines
524 B
Ruby

# frozen_string_literal: true
class PruneOldEventsWorker
include ApplicationWorker
include CronjobQueue
def perform
# Contribution calendar shows maximum 12 months of events.
# Double nested query is used because MySQL doesn't allow DELETE subqueries
# on the same table.
Event.unscoped.where(
'(id IN (SELECT id FROM (?) ids_to_remove))',
Event.unscoped.where(
'created_at < ?',
(12.months + 1.day).ago)
.select(:id)
.limit(10_000))
.delete_all
end
end