Jdbc连接hive0.14版本 目前官网最新版本是hive0.13,要想下载最新的hive得去git上去clone一个。 Hive0.14最大特点是支持直接插入。 现在做一个jdbc连接hive0.14的例子。 需要的jar包: 数据库的工具类,被定义成不可继承且是私有访问 */ public final class D
Jdbc连接hive0.14版本
目前官网最新版本是hive0.13,要想下载最新的hive得去git上去clone一个。
Hive0.14最大特点是支持直接插入。
现在做一个jdbc连接hive0.14的例子。
需要的jar包:
数据库的工具类,被定义成不可继承且是私有访问
*/
public final class DBTool {
final private static String OPTION_FILE_NAME = "hivedatabase";
private static Connection conn;
static ResourceBundle res;
static {
res = ResourceBundle.getBundle(OPTION_FILE_NAME);
try {
String driver = res.getString("jdbc.driver");
Class.forName(driver);
} catch (ClassNotFoundException e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
/**
* 获取数据库的连接
*
* @return conn
*/
public static Connection getConnection() {
if (null == conn) {
try {
String url = res.getString("jdbc.url");
String user = res.getString("jdbc.username");
String password = res.getString("jdbc.password");
conn = DriverManager.getConnection(url, user, password);
} catch (SQLException e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
return conn;
}
/**
* 释放资源
*
* @param conn
* @param pstmt
* @param rs
*/
public static void closeJDBC(Connection conn, PreparedStatement pstmt,
ResultSet rs) {
if (null != rs) {
try {
rs.close();
} catch (SQLException e) {
e.printStackTrace();
throw new RuntimeException(e);
} finally {
if (null != pstmt) {
try {
pstmt.close();
} catch (SQLException e) {
e.printStackTrace();
throw new RuntimeException(e);
} finally {
if (null != conn) {
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
throw new RuntimeException(e);
}
}
}
}
}
}
}
}
2.hivedatabase.properties
#hive database setting
jdbc.type=hive
jdbc.driver=org.apache.hive.jdbc.HiveDriver
jdbc.url=jdbc:hive2://192.168.2.150:10000/default
jdbc.username=hadoop
jdbc.password=
3.test是类
public class Test {
public static void main(String[] args) throws Exception {
Connection connection = DBTool.getConnection();
System.out.println(connection);}
}
如果能连接通说明你已经成功连接上hive了。

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