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# frozen_string_literal: true
# Worker that deletes a fixed number of outdated rows from the "web_hook_logs"
# table.
class PruneWebHookLogsWorker
include ApplicationWorker
include CronjobQueue
# The maximum number of rows to remove in a single job.
DELETE_LIMIT = 50_000
def perform
# MySQL doesn't allow "DELETE FROM ... WHERE id IN ( ... )" if the inner
# query refers to the same table. To work around this we wrap the IN body in
# another sub query.
WebHookLog
.where(
'id IN (SELECT id FROM (?) ids_to_remove)',
WebHookLog
.select(:id)
.where('created_at < ?', 90.days.ago.beginning_of_day)
.limit(DELETE_LIMIT)
)
.delete_all
end
end
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