27 lines
717 B
Ruby
27 lines
717 B
Ruby
module Jobs
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class CleanUpCrawlerStats < Jobs::Scheduled
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every 1.day
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def execute(args)
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WebCrawlerRequest.where('date < ?', WebCrawlerRequest.max_record_age.ago).delete_all
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# keep count of only the top user agents
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DB.exec <<~SQL
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WITH ranked_requests AS (
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SELECT row_number() OVER (ORDER BY count DESC) as row_number, id
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FROM web_crawler_requests
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WHERE date = '#{1.day.ago.strftime("%Y-%m-%d")}'
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)
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DELETE FROM web_crawler_requests
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WHERE id IN (
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SELECT ranked_requests.id
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FROM ranked_requests
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WHERE row_number > #{WebCrawlerRequest.max_records_per_day}
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)
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SQL
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end
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end
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end
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