public class TestDatabaseReader {
public static void main(String[] args) {
try {
WikiServerStandalone wikiserver=new WikiServerStandalone(org.dbwiki.lib.IO.loadProperties(new File(args[0])));
PSQLDatabaseConnector psql = new PSQLDatabaseConnector("jdbc:postgresql://localhost", "dbwiki", "password");
RDBMSDatabase database= new RDBMSDatabase(wikiserver.get(1), psql);
NodeIdentifier nodeidentifier= new NodeIdentifier();
DatabaseReader.get(psql.getConnection(), database, nodeidentifier);
database.query("wpath://child::COUNTRY/child::NAME");
database.query("wpath://COUNTRY[CATEGORY/PROPERTY/*='Europe']/NAME");
database.query("wpath://COUNTRY[NAME='United States']/CATEGORY[NAME='Economy']/PROPERTY[NAME='GDP (purchasing power parity)']");
System.out.println(wikiserver.size());