~cytrogen/masto-fe

ref: ec95f62cb4074fefdbc93411b67055c675eaf86f masto-fe/db/migrate/20170112154826_migrate_settings.rb -rw-r--r-- 855 bytes
ec95f62c — Stanislas Signoud [Glitch] Fix sounds not being loaded from assets host 2 years ago 
                                                                                
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class MigrateSettings < ActiveRecord::Migration[4.2]
  def up
    remove_index :settings, [:target_type, :target_id, :var]
    rename_column :settings, :target_id, :thing_id
    rename_column :settings, :target_type, :thing_type
    change_column :settings, :thing_id, :integer, null: true, default: nil
    change_column :settings, :thing_type, :string, null: true, default: nil
    add_index :settings, [:thing_type, :thing_id, :var], unique: true
  end

  def down
    remove_index :settings, [:thing_type, :thing_id, :var]
    rename_column :settings, :thing_id, :target_id
    rename_column :settings, :thing_type, :target_type
    change_column :settings, :target_id, :integer, null: false
    change_column :settings, :target_type, :string, null: false, default: ''
    add_index :settings, [:target_type, :target_id, :var], unique: true
  end
end