Hive1.3 JDBC连接-代码片段

package com.hive.jdbc;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

/**
 * 开启hive server服务
 *
 * nohup bin/hive --service hiveserver >> hiveserver.log 2>&1 &
 *
 *
 */
public class HiveJDBCConnection {
    private static String dirvername = "org.apache.hadoop.hive.jdbc.HiveDriver";
    private static String url = "jdbc:hive://192.168.249.134:10000/default";
    private static String username = "";
    private static String password = "";

    public static void main(String[] args) {
        try {
            Class.forName(dirvername);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }

        try {
            Connection conn = DriverManager.getConnection(url, username,
                    password);

            Statement stmt = conn.createStatement();

            String tablename = "jdbc_table";
            String sql = "drop table " + tablename;

            stmt.execute(sql);

            // 创建表
            sql = "create table "
                    + tablename
                    + " (key String ,value String) ROW FORMAT DELIMITED FIELDS TERMINATED BY ','";

            stmt.execute(sql);

            // load数据到jdbc_table表中
            String filepath = "/lab/testdata/hive_1.txt";
            sql = "load data local inpath '" + filepath
                    + "' into table jdbc_table ";

            stmt.execute(sql);

            // 查询表数据

            sql = "select  * from jdbc_table"; 

            ResultSet res = stmt.executeQuery(sql);

            while (res.next()) {
                String key = res.getString(1);
                String value = res.getString(2);
                System.out.println(key + "\t" + value);
            }

            //System.out.println(stmt);

        } catch (SQLException e) {
            e.printStackTrace();
        }

    }
}