当我运行这个程序时,我在输出屏幕中得到了这个。我不知道有什么问题是我有什么缺少的。如何从结果集中检索列值
import org.apache.cassandra.cql.jdbc.*;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.*;
import javax.sql.*;
public class Operations
{
public static void main(String[] args){
try
{
Class.forName("org.apache.cassandra.cql.jdbc.CassandraDriver");
Connection con = DriverManager.getConnection("jdbc:cassandra://localhost:9160/temp");
//String name = "name";
String qry = "select name FROM tempcql where key = detail";
Statement smt = con.createStatement();
ResultSet resultSet = smt.executeQuery(qry);
while(resultSet.next())
{
System.out.println(resultSet.getString("name"));
}
}
catch(Exception e)
{
System.out.println(" : "+e.getMessage());
}
}
}
这里是这样的输出:java.nio.HeapByteBuffer [POS = 86 LIM = 91 =帽159]
我这样做,但它不工作。同样的结果我再次得到 – 2012-07-06 13:09:21