if dbman=nil then dbman:=tdbmanage.create; code:=tbsoncodewscope.Create('function(){var str="1111";db.testc.find().forEach(function(x){str=str+ x.name});return str}',bson([])); buf:=tbsonbuffer.Create; buf.append('eval',code);

 

function(){  var str="1111";  db.testc.find().forEach (     function(x)    {       x.users.forEach      (         function(y)        {           str=str+y.fetch().name+'!!';        }       )        } );  return str;}

 

function(){  var str="1111";  db.testc.find().forEach (     function(x)    {       x.users.forEach      (         function(y)        {          var b=y.fetch();          if (b!=null)           str=str+b.name+'!!';        }       )        } );  return str;}