26 lines
823 B
Ruby
26 lines
823 B
Ruby
class FixTargetOnNotification < ActiveRecord::Migration
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def self.up
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execute("UPDATE notifications " +
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"SET target_type='Post' " +
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"WHERE action = 'comment_on_post' OR action = 'also_commented'")
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execute("UPDATE notifications " +
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"SET target_type='Request' " +
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"WHERE action = 'new_request' OR action = 'request_accepted'")
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execute("UPDATE notifications " +
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"SET target_type='Mention' " +
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"WHERE action = 'mentioned'")
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execute("create temporary table t1 "+
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"(select notifications.id as n_id " +
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"from notifications LEFT JOIN mentions "+
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"ON notifications.target_id = mentions.id "+
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"WHERE notifications.action = 'mentioned' AND mentions.id IS NULL)")
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execute("DELETE notifications.* FROM notifications, t1 WHERE notifications.id = t1.n_id")
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end
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def self.down
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end
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end
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