Merge "rdbms: add ILBFactory::redefineLocalDomain method"

diff --combined includes/libs/rdbms/loadbalancer/LoadBalancer.php
index 537301c,a6858ef..8d95276
--- 1/includes/libs/rdbms/loadbalancer/LoadBalancer.php
--- 2/includes/libs/rdbms/loadbalancer/LoadBalancer.php
+++ b/includes/libs/rdbms/loadbalancer/LoadBalancer.php
@@@ -1281,11 -1281,6 +1281,11 @@@ class LoadBalancer implements ILoadBala
        }
  
        public function closeConnection( IDatabase $conn ) {
 +              if ( $conn instanceof DBConnRef ) {
 +                      // Avoid calling close() but still leaving the handle in the pool
 +                      throw new RuntimeException( __METHOD__ . ': got DBConnRef instance.' );
 +              }
 +
                $serverIndex = $conn->getLBInfo( 'serverIndex' );
                foreach ( $this->conns as $type => $connsByServer ) {
                        if ( !isset( $connsByServer[$serverIndex] ) ) {
@@@ -1950,6 -1945,12 +1950,12 @@@
                } );
        }
  
+       public function redefineLocalDomain( $domain ) {
+               $this->closeAll();
+ 
+               $this->setLocalDomain( DatabaseDomain::newFromId( $domain ) );
+       }
+ 
        /**
         * @param DatabaseDomain $domain
         */