Añade índice a los dos campos del join table

2 files changed, 13 insertions, 3 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
diff --git a/db/schema.rb b/db/schema.rb
index 5a35c86..26cf4a6 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_03_25_021349) do
+ActiveRecord::Schema[7.0].define(version: 2023_03_25_024534) do
   create_table "active_storage_attachments", charset: "utf8mb4", collation: "utf8mb4_general_ci", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -75,8 +75,9 @@ ActiveRecord::Schema[7.0].define(version: 2023_03_25_021349) do
     t.datetime "updated_at", null: false
     t.bigint "user_account_id"
     t.bigint "address_id"
-    t.index ["address_id"], name: "index_user_account_addresses_on_address_id", unique: true
-    t.index ["user_account_id"], name: "index_user_account_addresses_on_user_account_id", unique: true
+    t.index ["address_id", "user_account_id"], name: "index_user_account_addresses_on_address_id_and_user_account_id", unique: true
+    t.index ["address_id"], name: "index_user_account_addresses_on_address_id"
+    t.index ["user_account_id"], name: "index_user_account_addresses_on_user_account_id"
   end
 
   create_table "user_accounts", charset: "utf8mb4", collation: "utf8mb4_general_ci", force: :cascade do |t|