12 lines
366 B
Ruby
12 lines
366 B
Ruby
# frozen_string_literal: true
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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,
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%i[user_id id],
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unique: true,
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where: "notification_type = 6 AND NOT read"
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end
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end
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