fix completed submitters

db/migrate/20241026161207_add_unique_index_on_completed_submitters.rb

@@ -0,0 +1,8 @@
+# frozen_string_literal: true
+
+class AddUniqueIndexOnCompletedSubmitters < ActiveRecord::Migration[7.2]
+  def change
+    remove_index :completed_submitters, :submitter_id
+    add_index :completed_submitters, :submitter_id, unique: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.2].define(version: 2024_10_22_125135) do
+ActiveRecord::Schema[7.2].define(version: 2024_10_26_161207) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -109,7 +109,7 @@ ActiveRecord::Schema[7.2].define(version: 2024_10_22_125135) do
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.index ["account_id"], name: "index_completed_submitters_on_account_id"
-    t.index ["submitter_id"], name: "index_completed_submitters_on_submitter_id"
+    t.index ["submitter_id"], name: "index_completed_submitters_on_submitter_id", unique: true
   end
 
   create_table "document_generation_events", force: :cascade do |t|