Execute stored queries on master server switch.

Execute all stored commands, both queries and writes (currently on stored writes are executed), when the master server is switched.

Author: fogaztuc

lib/mongodb/connection/repl_set/ha.js

@@ -167,7 +167,8 @@ var _timeoutHandle = function(self) {
  state.master.isMasterDoc.secondary = false; 
  }
 
- // Execute any waiting writes
+ // Execute any waiting commands (queries or writes)
+ self.replset._commandsStore.execute_queries();
  self.replset._commandsStore.execute_writes(); 
  }
  }
@@ -389,4 +390,4 @@ var _repl_set_handler = function(event, self, server) {
  }
 }
 
-exports.HighAvailabilityProcess = HighAvailabilityProcess;
+exports.HighAvailabilityProcess = HighAvailabilityProcess;