Added migration

db/migrate/20241130191031_add_unique_index_to_uk_name_and_en_name.rb

@@ -0,0 +1,6 @@
+class AddUniqueIndexToUkNameAndEnName < ActiveRecord::Migration[7.2]
+  def change
+    add_index :categories, :uk_name, unique: true
+    add_index :categories, :en_name, 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_11_19_192344) do
+ActiveRecord::Schema[7.2].define(version: 2024_11_30_191031) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
   enable_extension "plpgsql"
@@ -61,7 +61,9 @@
     t.decimal "price", precision: 10, scale: 2, default: "0.0", null: false
     t.bigint "field_id"
     t.boolean "preferable", default: false, null: false
+    t.index ["en_name"], name: "index_categories_on_en_name", unique: true
     t.index ["field_id"], name: "index_categories_on_field_id"
+    t.index ["uk_name"], name: "index_categories_on_uk_name", unique: true
   end
 
   create_table "category_categoryables", force: :cascade do |t|