连接hive查询

1. pom.xml （来源: https://blog.csdn.net/niityzu/article/details/42639369）
   
   1.2.1
   1.2.1
   1.2.1
   1.2.1
   0.9.3
   2.7.1
   4.5.3
   4.4.6
   

   
   
   org.apache.hive
   hive-jdbc
   {hive-exec.version}
   
   
   org.apache.hive
   hive-metastore
   {hive-service.version}
   
   
   org.apache.thrift
   libfb303
   {hadoop-common.version}
   
   
   org.apache.httpcomponents
   httpclient
   {httpcore.version}
   
   

2. 代码
   public class HiveUtil {

   public static Connection getHiveCon() throws ClassNotFoundException, SQLException {
   Connection connection = null;
   Class.forName("org.apache.hive.jdbc.HiveDriver");
   connection = DriverManager.getConnection("jdbc:hive2://ip:21050/;auth=noSasl", "账号", "");
   return connection;
   }

   public static void main(String[] args) throws SQLException, ClassNotFoundException {
   Statement stmt = HiveUtil.getHiveCon().createStatement();
   String sql = " select count(*) from 数据库.表 WHERE dt='20190304' ";
   String rest = "";
   ResultSet res = stmt.executeQuery(sql);
   while (res.next()) {
   rest = res.getString(1);
   System.out.println(rest);
   }
   }
   }