fix: temp table performance (#103)

database/migrations/2024_11_25_000959_update_to_temp_tables.php

@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+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('_temp_turnouts', function (Blueprint $table) {
+            $table->id();
+
+            $table->foreign('election_id')
+                ->references('id')
+                ->on('elections')
+                ->cascadeOnDelete();
+        });
+
+        Schema::table('_temp_records', function (Blueprint $table) {
+            $table->id();
+
+            $table->foreign('election_id')
+                ->references('id')
+                ->on('elections')
+                ->cascadeOnDelete();
+        });
+
+        Schema::table('_temp_mandates', function (Blueprint $table) {
+            $table->id();
+
+            $table->foreign('election_id')
+                ->references('id')
+                ->on('elections')
+                ->cascadeOnDelete();
+        });
+
+        Schema::table('_temp_votes', function (Blueprint $table) {
+            $table->id();
+
+            $table->foreign('election_id')
+                ->references('id')
+                ->on('elections')
+                ->cascadeOnDelete();
+        });
+    }
+};