Добавлен индекс для accounts.uuid

console/migrations/m161104_150634_accounts_uuid_index.php

@@ -0,0 +1,15 @@
+<?php
+
+use console\db\Migration;
+
+class m161104_150634_accounts_uuid_index extends Migration {
+
+    public function safeUp() {
+        $this->createIndex('uuid', '{{%accounts}}', 'uuid', true);
+    }
+
+    public function safeDown() {
+        $this->dropColumn('{{%accounts}}', 'uuid');
+    }
+
+}