Core/DBLayer: Convert PExecute() queries to prepared statements

src/server/game/Server/WorldSession.cpp

@@ -105,7 +105,7 @@ isRecruiter(isARecruiter), timeLastWhoCommand(0)
         m_Address = sock->GetRemoteAddress();
         sock->AddReference();
         ResetTimeOutTime();
-        LoginDatabase.PExecute("UPDATE account SET online = 1 WHERE id = %u;", GetAccountId());
+        LoginDatabase.PExecute("UPDATE account SET online = 1 WHERE id = %u;", GetAccountId());     // One-time query
     }
 
     InitializeQueryCallbackParameters();
@@ -134,7 +134,7 @@ WorldSession::~WorldSession()
     while (_recvQueue.next(packet))
         delete packet;
 
-    LoginDatabase.PExecute("UPDATE account SET online = 0 WHERE id = %u;", GetAccountId());
+    LoginDatabase.PExecute("UPDATE account SET online = 0 WHERE id = %u;", GetAccountId());     // One-time query
 }
 
 void WorldSession::SizeError(WorldPacket const& packet, uint32 size) const
@@ -825,13 +825,13 @@ void WorldSession::ReadMovementInfo(WorldPacket &data, MovementInfo* mi)
         if (check) \
             mi->RemoveMovementFlag((maskToRemove));
     #endif
-    
-    
+
+
     /*! This must be a packet spoofing attempt. MOVEMENTFLAG_ROOT sent from the client is not valid
         in conjunction with any of the moving movement flags such as MOVEMENTFLAG_FORWARD.
         It will freeze clients that receive this player's movement info.
     */
-    REMOVE_VIOLATING_FLAGS(mi->HasMovementFlag(MOVEMENTFLAG_ROOT) && mi->HasMovementFlag(MOVEMENTFLAG_MASK_MOVING), 
+    REMOVE_VIOLATING_FLAGS(mi->HasMovementFlag(MOVEMENTFLAG_ROOT) && mi->HasMovementFlag(MOVEMENTFLAG_MASK_MOVING),
         MOVEMENTFLAG_MASK_MOVING);
 
     //! Cannot hover without SPELL_AURA_HOVER