Indexes for performance improvements, improved FTN regex

database/migrations/2022_10_23_092332_seenby_index.php

@@ -0,0 +1,47 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('echomail_seenby', function (Blueprint $table) {
+			$table->index(['echomail_id','address_id']);
+			$table->index(['packet']);
+			$table->index(['sent_at']);
+			$table->index(['export_at']);
+		});
+
+		Schema::table('echomails', function (Blueprint $table) {
+			$table->index(['msgid']);
+			$table->index(['replyid']);
+		});
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+		Schema::table('echomails', function (Blueprint $table) {
+			$table->dropIndex(['msgid']);
+			$table->dropIndex(['replyid']);
+		});
+		Schema::table('echomail_seenby', function (Blueprint $table) {
+			$table->dropIndex(['packet']);
+			$table->dropIndex(['sent_at']);
+			$table->dropIndex(['export_at']);
+			$table->dropIndex(['echomail_id','address_id']);
+		});
+    }
+};