Refactor the database, in preparation to moving to postgresql

database/migrations/2022_10_22_001259_addresses.php

@@ -0,0 +1,57 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class Addresses extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+		Schema::create('addresses', function (Blueprint $table) {
+			$table->id();
+			$table->timestamps();
+			$table->boolean('active');
+			$table->boolean('validated')->default(FALSE);
+
+			$table->bigInteger('zone_id');
+			$table->foreign('zone_id')->references('id')->on('zones');
+
+			$table->integer('region_id');
+			$table->integer('host_id');
+			$table->integer('node_id');
+			$table->integer('point_id');
+			$table->integer('status')->nullable();		// @note Used to record Down/Private/Pending, etc
+
+			$table->integer('role');
+
+			$table->bigInteger('system_id');
+			$table->foreign('system_id')->references('id')->on('systems');
+
+			$table->bigInteger('hub_id')->nullable();
+			$table->foreign('hub_id')->references('id')->on('addresses');
+
+			$table->softDeletes();
+		});
+
+		DB::statement("CREATE UNIQUE INDEX active_addresses ON addresses (zone_id,region_id,host_id,node_id,point_id) WHERE active = true");
+
+
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+		Schema::dropIfExists('address_echomail');
+		Schema::dropIfExists('addresses');
+    }
+}