Possibility to get query statistics from the connection throught buil…

…der, possibility to specify server configuration without servers option in config

README.md

@@ -480,6 +480,23 @@ Connection configures via `config/database.php`.
 
 Example with alone server:
 
+```php
+'connections' => [
+    'clickhouse' => [
+        'driver' => 'clickhouse',
+        'host' => 'ch-00.domain.com',
+        'port' => '',
+        'database' => '',
+        'username' => '',
+        'password' => '',
+        'options' => [
+            'timeout' => 10,
+            'protocol' => 'https'
+        ]
+    ]
+]
+```
+or
 ```php
 'connections' => [
     'clickhouse' => [

src/Integrations/Laravel/Builder.php

@@ -5,6 +5,7 @@
 use Illuminate\Support\Traits\Macroable;
 use Tinderbox\Clickhouse\Common\Format;
 use Tinderbox\Clickhouse\Query;
+use Tinderbox\Clickhouse\Query\QueryStatistic;
 use Tinderbox\ClickhouseBuilder\Query\BaseBuilder;
 use Tinderbox\ClickhouseBuilder\Query\Grammar;
 
@@ -177,4 +178,26 @@ public function delete()
     {
         return $this->connection->delete($this->grammar->compileDelete($this));
     }
+
+    /**
+     * Get last query statistics from the connection.
+     *
+     * @throws \Tinderbox\ClickhouseBuilder\Exceptions\BuilderException
+     *
+     * @return QueryStatistic
+     */
+    public function getLastQueryStatistics() : QueryStatistic
+    {
+        return $this->getConnection()->getLastQueryStatistic();
+    }
+
+    /**
+     * Get connection.
+     *
+     * @return Connection
+     */
+    public function getConnection() : Connection
+    {
+        return $this->connection;
+    }
 }

src/Integrations/Laravel/Connection.php

@@ -163,6 +163,12 @@ protected function createTransport(array $options) : TransportInterface
     protected function assembleServerProvider(array $config)
     {
         $serverProvider = new ServerProvider();
+
+        if (empty($config['clusters'] ?? []) && empty($config['servers'] ?? [])) {
+            $serverProvider->addServer($this->assembleServer($config));
+
+            return $serverProvider;
+        }
 
         foreach ($config['clusters'] ?? [] as $clusterName => $servers) {
             $cluster = new Cluster(
@@ -180,7 +186,7 @@ function ($server) {
         foreach ($config['servers'] ?? [] as $server) {
             $serverProvider->addServer($this->assembleServer($server));
         }
-        
+
         return $serverProvider;
     }