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PERF: speed up counting of unread notifications

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Sam 2015-05-14 12:33:43 +10:00
parent e6f73a1c80
commit 1eeed5fed2
1 changed files with 5 additions and 0 deletions
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db/migrate/20150514023016_add_unread_notifications_index.rb Normal file
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class AddUnreadNotificationsIndex < ActiveRecord::Migration
def change
add_index :notifications, [:user_id, :notification_type], where: 'not read', name: 'idx_notifications_speedup_unread_count'
end
end