Add migration

database/migrations/2024_05_31_090555_update_instances_table_add_index_to_nodeinfo_last_fetched_at.php

@@ -0,0 +1,36 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('instances', function (Blueprint $table) {
+            $schemaManager = Schema::getConnection()->getDoctrineSchemaManager();
+            $indexesFound = $schemaManager->listTableIndexes('instances');
+            if (! array_key_exists('instances_nodeinfo_last_fetched_index', $indexesFound)) {
+                $table->index('nodeinfo_last_fetched');
+            }
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('instances', function (Blueprint $table) {
+            $schemaManager = Schema::getConnection()->getDoctrineSchemaManager();
+            $indexesFound = $schemaManager->listTableIndexes('instances');
+            if (array_key_exists('instances_nodeinfo_last_fetched_index', $indexesFound)) {
+                $table->dropIndex('instances_nodeinfo_last_fetched_index');
+            }
+        });
+    }
+};