gistfile1.js

var url = "https://osm2.cartodb.com/api/v2/sql?format=geojson&q=SELECT cartodb_id,the_geom FROM leaflet_data";
$.getJSON(url, function(data){
    geojsonLayer = L.geoJson(data,{
    	onEachFeature: function (feature, layer) {
    		layer.cartodb_id=feature.properties.cartodb_id;
	        drawnItems.addLayer(layer);
	    }
    });
    map.addLayer(drawnItems);