Añade índice a los dos campos del join table

1 files changed, 9 insertions, 0 deletions

diff --git a/db/migrate/20230325024534_add_index_spanning_users_and_addresses.rb b/db/migrate/20230325024534_add_index_spanning_users_and_addresses.rb
new file mode 100644
index 0000000..7732728
--- /dev/null
+++ b/db/migrate/20230325024534_add_index_spanning_users_and_addresses.rb
@@ -0,0 +1,9 @@
+class AddIndexSpanningUsersAndAddresses < ActiveRecord::Migration[7.0]
+  def change
+    remove_index(:user_account_addresses, :user_account_id)
+    remove_index(:user_account_addresses, :address_id)
+    add_index(:user_account_addresses, :user_account_id)
+    add_index(:user_account_addresses, :address_id)
+    add_index(:user_account_addresses, [:address_id, :user_account_id], unique: true)
+  end
+end