discourse/db/migrate/20161102024900_add_user_profiles_indexes.rb

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class AddUserProfilesIndexes < ActiveRecord::Migration[4.2]
  def change
    add_index :user_profiles, :profile_background
    add_index :user_profiles, :card_background
  end
end
Fix all the errors to get our tests green on Rails 5.1. 2017-08-31 12:06:56 +08:00			`class AddUserProfilesIndexes < ActiveRecord::Migration[4.2]`
PERF: `NOT IN` query is really inefficient for large tables. 2016-11-02 11:14:02 +08:00			`def change`
			`add_index :user_profiles, :profile_background`
			`add_index :user_profiles, :card_background`
			`end`
			`end`