hive jdbc

1.hive jdbc示例代码

package com.ibeifeng.jdbc;

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

/**
 * nohup hive --service hiveserver -p 10002 >/dev/null 2>hiveserverlog.out &
 * nohup hive --service hiveserver -p 10002 >/dev/null 2>/dev/null & nohup hive
 * --service hiveserver -p 10002 & hive --service hiveserver -p 10002 netstat
 * -anp | grep 10002 ps -ef | grep command kill -9 pid
 * 
 * @author lixuguang
 *
 */
public class MyJdbc {

	private static String driverName = "org.apache.hadoop.hive.jdbc.HiveDriver";

	public static void main(String[] args) throws SQLException {
		try {
			Class.forName(driverName);
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
			System.exit(1);
		}
		Connection con = DriverManager.getConnection(
				"jdbc:hive://192.168.102.103:10002/hive", "root", "root");
		Statement stmt = con.createStatement();
		String tableName = "test";
		stmt.execute("drop table if exists " + tableName);
		stmt.execute("create table " + tableName + " (key int, value string)");
		// show tables
		String sql = "show tables '" + tableName + "'";
		System.out.println("Running: " + sql);
		ResultSet res = stmt.executeQuery(sql);
		if (res.next()) {
			System.out.println(res.getString(1));
		}
		// describe table
		sql = "describe " + tableName;
		System.out.println("Running: " + sql);
		res = stmt.executeQuery(sql);
		while (res.next()) {
			System.out.println(res.getString(1) + "\t" + res.getString(2));
		}
	}
}