From: Tim Düsterhus <duesterhus@woltlab.com>
Date: Sun, 2 Feb 2020 14:59:10 +0000 (+0100)
Subject: Cache request information for SQL queries
X-Git-Tag: 5.2.2~11^2~1
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b4f1aa53b4da6241e031baba61cd85187f49c03c;p=GitHub%2FWoltLab%2FWCF.git

Cache request information for SQL queries
---

diff --git a/wcfsetup/install/files/lib/system/database/Database.class.php b/wcfsetup/install/files/lib/system/database/Database.class.php
index 8fd5af789d..b2d1650554 100644
--- a/wcfsetup/install/files/lib/system/database/Database.class.php
+++ b/wcfsetup/install/files/lib/system/database/Database.class.php
@@ -259,13 +259,16 @@ abstract class Database {
 			// Note: This is meant to be run unconditionally in production to be
 			//       useful. Thus the code to retrieve the request information
 			//       must be absolutely lightweight.
-			$requestInformation = '';
-			if (defined('ENABLE_PRODUCTION_DEBUG_MODE') && ENABLE_PRODUCTION_DEBUG_MODE && isset($_SERVER['REQUEST_URI'])) {
-				$requestInformation = substr($_SERVER['REQUEST_URI'].(\wcf\getRequestId() ? ' ('.\wcf\getRequestId().')' : ''), 0, 90);
-				if (isset($_REQUEST['className']) && isset($_REQUEST['actionName'])) {
-					$requestInformation .= ' ('.$_REQUEST['className'].':'.$_REQUEST['actionName'].')';
+			static $requestInformation = null;
+			if ($requestInformation === null) {
+				$requestInformation = '';
+				if (defined('ENABLE_PRODUCTION_DEBUG_MODE') && ENABLE_PRODUCTION_DEBUG_MODE && isset($_SERVER['REQUEST_URI'])) {
+					$requestInformation = substr($_SERVER['REQUEST_URI'].(\wcf\getRequestId() ? ' ('.\wcf\getRequestId().')' : ''), 0, 90);
+					if (isset($_REQUEST['className']) && isset($_REQUEST['actionName'])) {
+						$requestInformation .= ' ('.$_REQUEST['className'].':'.$_REQUEST['actionName'].')';
+					}
+					$requestInformation = substr($requestInformation, 0, 180);
 				}
-				$requestInformation = substr($requestInformation, 0, 180);
 			}
 			
 			$pdoStatement = $this->pdo->prepare($statement.($requestInformation ? " -- ".$this->pdo->quote($requestInformation) : ''));