case change to string

database/migrations/2023_03_14_153724_create_relations_table.php

@@ -15,11 +15,12 @@ class CreateRelationsTable extends Migration
     {
         Schema::create('relations', function (Blueprint $table) {
             $table->uuid('id')->primary()->default(DB::raw('uuid_generate_v1mc()'));
-            $table->string('name',256)->unique();
-            $table->json('case')->nullable();
+            $table->string('name',256)->index();
+            $table->string('case',16)->nullable()->index();
             $table->json('to')->nullable();
             $table->uuid('editor_id');
             $table->timestamps();
+            $table->unique(["name", "case"]);
         });
     }