Added DB logger proxy. Modified logger interface preference in di.xml

Author: federivo

app/etc/di.xml

@@ -102,7 +102,7 @@
     <preference for="Magento\Framework\Api\MetadataObjectInterface" type="Magento\Framework\Api\AttributeMetadata"/>
     <preference for="Magento\Framework\Api\SearchCriteriaInterface" type="Magento\Framework\Api\SearchCriteria"/>
     <preference for="Magento\Framework\App\Rss\UrlBuilderInterface" type="Magento\Framework\App\Rss\UrlBuilder"/>
-    <preference for="Magento\Framework\DB\LoggerInterface" type="Magento\Framework\DB\Logger\Quiet"/>
+    <preference for="Magento\Framework\DB\LoggerInterface" type="Magento\Framework\DB\Logger\LoggerProxy"/>
     <preference for="Magento\Framework\App\ResourceConnection\ConnectionAdapterInterface" type="Magento\Framework\Model\ResourceModel\Type\Db\Pdo\Mysql"/>
     <preference for="Magento\Framework\DB\QueryInterface" type="Magento\Framework\DB\Query"/>
     <preference for="Magento\Framework\App\ProductMetadataInterface" type="Magento\Framework\App\ProductMetadata"/>
@@ -1318,4 +1318,9 @@
             </argument>
         </arguments>
     </type>
+    <type name="Magento\Framework\DB\Logger\LoggerProxy">
+        <arguments>
+            <argument name="loggerAlias" xsi:type="init_parameter">\Magento\Framework\DB\Logger\LoggerProxy::PARAM_ALIAS</argument>
+        </arguments>
+    </type>
 </config>

lib/internal/Magento/Framework/DB/Logger/LoggerProxy.php

@@ -0,0 +1,82 @@
+<?php
+/**
+ * Copyright © Magento, Inc. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Magento\Framework\DB\Logger;
+
+class LoggerProxy extends LoggerAbstract
+{
+    /**
+     * Logger alias
+     */
+    const PARAM_ALIAS = 'db_logger_alias';
+
+    /**
+     * @var LoggerAbstract
+     */
+    private $logger;
+
+    /**
+     * LoggerProxy constructor.
+     * @param FileFactory $loggerFileFactory
+     * @param QuietFactory $loggerQuietFactory
+     * @param bool $loggerAlias
+     * @param bool $logAllQueries
+     * @param float $logQueryTime
+     * @param bool $logCallStack
+     */
+    public function __construct(
+        FileFactory $loggerFileFactory,
+        QuietFactory $loggerQuietFactory,
+        $loggerAlias,
+        $logAllQueries = false,
+        $logQueryTime = 0.05,
+        $logCallStack = false
+    )
+    {
+        switch ($loggerAlias) {
+            case "file":
+                $this->logger = $loggerFileFactory->create();
+                break;
+            default:
+                $this->logger = $loggerQuietFactory->create();
+                break;
+        }
+
+        parent::__construct($logAllQueries, $logQueryTime, $logCallStack);
+    }
+
+    /**
+     * Adds log record
+     *
+     * @param string $str
+     * @return void
+     */
+    public function log($str)
+    {
+        $this->logger->log($str);
+    }
+
+    /**
+     * @param string $type
+     * @param string $sql
+     * @param array $bind
+     * @param \Zend_Db_Statement_Pdo|null $result
+     * @return void
+     */
+    public function logStats($type, $sql, $bind = [], $result = null)
+    {
+        $this->logger->logStats($type, $sql, $bind, $result);
+    }
+
+    /**
+     * @param \Exception $e
+     * @return void
+     */
+    public function critical(\Exception $e)
+    {
+        $this->logger->critical($e);
+    }
+}