Merge "rdbms: Avoid selectDB() call in LoadMonitor new connections"

diff --combined includes/libs/rdbms/loadmonitor/LoadMonitor.php
index 4db9e10,1749683..fdc5ac8
--- 1/includes/libs/rdbms/loadmonitor/LoadMonitor.php
--- 2/includes/libs/rdbms/loadmonitor/LoadMonitor.php
+++ b/includes/libs/rdbms/loadmonitor/LoadMonitor.php
@@@ -146,7 -146,7 +146,7 @@@ class LoadMonitor implements ILoadMonit
                        if ( $conn ) {
                                $close = false; // already open
                        } else {
-                               $conn = $this->parent->openConnection( $i, $domain );
+                               $conn = $this->parent->openConnection( $i, '' );
                                $close = true; // new connection
                        }
  
@@@ -205,7 -205,7 +205,7 @@@
        }
  
        /**
 -       * @param integer $index Server index
 +       * @param int $index Server index
         * @param IDatabase|null $conn Connection handle or null on connection failure
         * @return float
         */