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class CreateAccountPins < ActiveRecord::Migration[5.2]
def change
create_table :account_pins do |t|
t.belongs_to :account, foreign_key: { on_delete: :cascade }
t.belongs_to :target_account, foreign_key: { on_delete: :cascade, to_table: :accounts }
t.timestamps
end
add_index :account_pins, [:account_id, :target_account_id], unique: true
end
end