Add composite indexes (#1360)

Author: driesvints

database/migrations/2025_09_12_073227_add_new_indexes.php

@@ -0,0 +1,29 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    public function up(): void
+    {
+        Schema::table('likes', function (Blueprint $table) {
+            $table->index(['likeable_id', 'likeable_type']);
+            $table->index(['likeable_id', 'likeable_type', 'created_at']);
+        });
+
+        Schema::table('taggables', function (Blueprint $table) {
+            $table->dropIndex(['taggable_id']);
+
+            $table->index(['taggable_id', 'taggable_type']);
+        });
+
+        Schema::table('replies', function (Blueprint $table) {
+            $table->dropIndex(['replyable_id']);
+            $table->dropIndex(['replyable_type']);
+
+            $table->index(['replyable_id', 'replyable_type']);
+        });
+    }
+};