[HttpFoundation] Use the correct syntax for session gc based on Pdo driver

tanasecosminromeo · fabpot · commit 826dfbd496bf · 2018-01-29T09:51:44.000+01:00
diff --git a/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php b/src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php
@@ -375,7 +375,11 @@ public function close()
             $this->gcCalled = false;
 
             // delete the session records that have expired
-            $sql = "DELETE FROM $this->table WHERE $this->lifetimeCol < :time - $this->timeCol";
+            if ('mysql' === $this->driver) {
+                $sql = "DELETE FROM $this->table WHERE $this->lifetimeCol + $this->timeCol < :time";
+            } else {
+                $sql = "DELETE FROM $this->table WHERE $this->lifetimeCol < :time - $this->timeCol";
+            }
 
             $stmt = $this->pdo->prepare($sql);
             $stmt->bindValue(':time', time(), \PDO::PARAM_INT);
