Deprecate PingableConnection

UPGRADE.md

 # Upgrade to 2.11
 
+## The `PingableConnection` interface is deprecated
+
+The wrapper connection will automatically handle the lost connection if the driver supports reporting it.
+
 ## The `ExceptionConverterDriver` interface is deprecated
 
 All drivers will have to implement the exception conversion API.

lib/Doctrine/DBAL/Connection.php

@@ -1925,6 +1925,8 @@ class Connection implements DriverConnection
      * It is responsibility of the developer to handle this case
      * and abort the request or reconnect manually:
      *
+     * @deprecated
+     *
      * @return bool
      *
      * @example

lib/Doctrine/DBAL/Driver/Mysqli/MysqliConnection.php

@@ -281,6 +281,8 @@ class MysqliConnection implements ConnectionInterface, PingableConnection, Serve
     /**
      * Pings the server and re-connects when `mysqli.reconnect = 1`
      *
+     * @deprecated
+     *
      * @return bool
      */
     public function ping()

lib/Doctrine/DBAL/Driver/PingableConnection.php

@@ -4,6 +4,8 @@ namespace Doctrine\DBAL\Driver;
 
 /**
  * An interface for connections which support a "native" ping method.
+ *
+ * @deprecated
  */
 interface PingableConnection
 {