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13 lines
467 B
Ruby
13 lines
467 B
Ruby
# frozen_string_literal: true
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class AddUniqueIndexToSystemNotifications < ActiveRecord::Migration[5.1]
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def change
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# remove not unique index and add new with uniq
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remove_index :system_notifications, :source_id
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add_index :system_notifications, :source_id, unique: true
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add_index :user_system_notifications, %i(user_id system_notification_id), unique: true,
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name: 'index_user_system_notifications_on_user_and_notification_id'
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end
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end
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