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30990006a9
This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging
24 lines
845 B
Ruby
24 lines
845 B
Ruby
# frozen_string_literal: true
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module Jobs
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class RetroRecentTimeRead < Jobs::Onceoff
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def execute_onceoff(args)
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# update past records by evenly distributing total time reading among each post read
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sql = <<~SQL
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UPDATE user_visits uv1
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SET time_read = (
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SELECT (
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uv1.posts_read
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/ (SELECT CAST(sum(uv2.posts_read) AS FLOAT) FROM user_visits uv2 where uv2.user_id = uv1.user_id)
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* COALESCE((SELECT us.time_read FROM user_stats us WHERE us.user_id = uv1.user_id), 0)
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)
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)
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WHERE EXISTS (SELECT 1 FROM user_stats stats WHERE stats.user_id = uv1.user_id AND stats.posts_read_count > 0 LIMIT 1)
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AND EXISTS (SELECT 1 FROM user_visits visits WHERE visits.user_id = uv1.user_id AND visits.posts_read > 0 LIMIT 1)
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SQL
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DB.exec(sql)
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end
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end
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end
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