2016-09-29 09:46:39 +05:30
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class PruneOldEventsWorker
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include Sidekiq::Worker
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2016-11-03 12:29:30 +05:30
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include CronjobQueue
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2016-09-29 09:46:39 +05:30
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def perform
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# Contribution calendar shows maximum 12 months of events.
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# Double nested query is used because MySQL doesn't allow DELETE subqueries
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# on the same table.
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Event.unscoped.where(
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'(id IN (SELECT id FROM (?) ids_to_remove))',
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Event.unscoped.where(
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'created_at < ?',
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(12.months + 1.day).ago).
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select(:id).
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limit(10_000)).
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delete_all
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end
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end
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