request.append(";");
ArrayList<StorableEdge>edges = new ArrayList<StorableEdge>();
currStatement = connection.prepare(request.toString(), false);
while (currStatement.step()) {
int db_id_edge = currStatement.columnInt(0);
String id_edge = currStatement.columnString(1);
int db_source = currStatement.columnInt(2);
int db_target = currStatement.columnInt(3);
if(vertexId.contains(db_source) && vertexId.contains(db_target)) {
StorableEdge e = new StorableEdge(db_id_edge, mapVertexes.get(db_source), mapVertexes.get(db_target), id_edge);