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# frozen_string_literal: true
class PruneOldEventsWorker
include ApplicationWorker
include CronjobQueue
# rubocop: disable CodeReuse/ActiveRecord
def perform
# Contribution calendar shows maximum 12 months of events, we retain 2 years for data integrity.
# 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 < ?',
(2.years + 1.day).ago)
.select(:id)
.limit(10_000))
.delete_all
end
# rubocop: enable CodeReuse/ActiveRecord
end
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