hive jdbc example

Due to the requirements of recent projects, the function of implementing HQL statements in command line mode using hive JDBC encoding is studied carefully. During the period, we encountered a lot of problems, and analyzed and solved them. But time was in a hurry, and I was unable to record the problems I had encountered. With 00 sparse memories, these questions and experiences are expected to be summed up f

Tags: style blog color using Java ar Strong div spStart HiveServer2:CD $HIVE _home/binHiveServer2 (default port is 10000) after default port: Hiveserver2 Start by specifying the port in the next mode: Hiveserver2--hiveconf hive.server2.thrift.port=14000 Connect HiveServer2 using beeline:CD $HIVE _home/binBeeline-u jdbc:hive2://hadoop000:10000Parameter description:hadoop000: Is the name of the

(SQLException e) {e.printstacktrace (); System.exit (1);}} public static void Tableoperation () throws sqlexception{hivejdbcclient.createtable (); HiveJdbcclient.loaddatatotable (TRUE); Hivejdbcclient.querytable (); Hivejdbcclient.regulartablequery ();} public static void Partitionoperation () throws Sqlexception{hivejdbcclient.createpartition (); Hivejdbcclient.insertdatatopartition (); Hivejdbcclient.selectfrompartition ();} public static void Bucketoperation () throws Sqlexception{hivejdb

- Public voidFind ()throwsSQLException { -String sql = "SELECT * FROM Goods"; thePS =connection.preparestatement (SQL); thers =ps.executequery (); the while(Rs.next ()) { theSystem.out.println (Rs.getobject (1) + "---" + rs.getobject (2)); - } the close (); the } the 94 the}1String sql= "Show tables; SELECT * FROM TEST_TB limit 10 ";2listNewArraylist();3 4Command.add ("Hive");5Command.add ("-E");6 command.add (SQL);7

1. Start Hiveserver2Nohup/home/hadoop/hive-1.1.0-cdh5.5.2/bin/hiveserver2 >>/home/hadoop/gtq_dir/logs/hiveserver.log 2> 1 2. The code is as follows: Packagecn.hive;ImportJava.sql.*;/*** Created by Jieyue on 2017/12/18.*/ Public classHivejdbctest {Private StaticString drivename = "Org.apache.hive.jdbc.HiveDriver"; Private StaticConnection con =NULL; Private StaticStatement stmt =NULL; Private StaticResultSet res =NULL; Public Static voidMain (string[]

Tags: AMS technology share word param rownum remote connection. exe GES resourceTwo days ago, because of the architectural design of the system, to access the hive database directly through Java, for my Java and Hadoop platform Novice, it is really difficult, but fortunately, it is done. The feeling is not very troublesome. This article, as a sentiment record down. (yangyang8848) I. How hive is accessed In

Tags: hive jdbc hive is the base component for data warehousing applications in big Data technology clusters, and is a benchmark for other similar data warehouse applications. The underlying data manipulation can be handled in a scripted manner with hive-client. If you need to develop an application, you need to connec

IMPORTANT: When you develop a hive program using JDBC, you must first turn on the remote service interface for hive. Use the following command to open: Hive-service Hiveserver 1).test Datauserinfo.txt File contents (tab key between each line of data):1 xiapi2 xiaoxue3 qingqing2).Program Code1packagecom.ljq.hive;Importj

Direct code: Remember to open hive JDBC Service hive--service HiveserverPackage Hive;import Java.sql.connection;import Java.sql.drivermanager;import java.sql.resultset;import Java.sql.statement;public class Hivedemo {static{//registered the JDBC driver try {class.forname ("

Label:package com.yuxipacific;import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement;public class Hive {public static void main(String[] args) throws Exception { Class.forName("org.apache.hadoop.hive.jdbc.HiveDriver"); //String dropSQL="drop table javabloger"; //String createSQL="create table javabloger (key int, value string)"; //String insterSQL="LOAD DATA LOCAL INPATH ‘/work/

Because hive is very different from traditional relational databases in business scenarios and underlying technical architecture, some skills in the traditional database field may no longer be applied to hive. The article on the optimization, principles, and applications of hive is also described in the previous sections. However, most of them tend to be at the t

Tomcat _ configure jdbc (small example) and tomcat configure jdbc Original works, from "Deep Blue blog" blog, deep blue blog: http://blog.csdn.net/huangyanlong/article/details/47043975 Example of jdbc configuration under tomcat When you use tomcat to manually configure

Some hive UDF Udaf UDTF examples originate from the Hive source code Udf: 1 /** * Licensed to the Apache software Foundation (ASF) under one * or more C Ontributor license agreements. See the NOTICE file * Distributed with this work for additional information * regarding copyright Ownership. The ASF licenses this file * under the Apache License, Version 2.0 (The * "License"); Yo

Tags: jdbcJDBC Comprehensive ExampleThis comprehensive example is mainly about using JDBC is the way to add, delete, check, and change database tables, which are also tested on a per-method basis, so you also write test cases. The main significance of writing this example is to practice and further familiarize yourself with j