7 lines
294 B
Ruby
7 lines
294 B
Ruby
class AddUnreadPmIndexToNotifications < ActiveRecord::Migration[4.2]
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def change
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# create index idxtmp on notifications(user_id, id) where notification_type = 6 AND NOT read
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add_index :notifications, [:user_id, :id], unique: true, where: 'notification_type = 6 AND NOT read'
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end
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end
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