hive controller

[A "," B "," C "] 3 [D "," E "," F "] 4 [D "," E "," F "] Add a lateral view: Select mycol1, mycol2 from basetable lateral view explode (col1) mytable1 as mycol1 lateral view explode (col2) mytable2 as mycol2; The execution result is: Int mycol1 String mycol2 1 "" 1 "B" 1 "C" 2 "" 2 "B" 2 "C" 3 "D"

Union syntax Select_statement Union all select_statement... Union is used to combine the result sets of multiple select statements into an independent result set. Currently, only union all (BAG Union) is supported ). Duplicate rows are not eliminated. The number and name of columns returned by each select statement must be the same. Otherwise, a syntax error is thrown. If some extra processing is required for the Union result, the entire statement can be embedded in the from clause, as

Label: Start Thriftserver in spark after modification and then connect in beeline mode under Spark's Bin or write a. sh file every time you execute it directly . sh file contents such as:./beeline-u jdbc:hive2://yangsy132:10000/default-n root-p YangsiyiSpark on Hive configures Hive's metastore to MySQL

Java EE Development of various types of resources download list, the history of the most complete IT resources, personal collection summary. The Processorclass: Specifies the full classpath name of the requested Java class. Default is Org.apache.struts.action.RequestProcessor. user-defined Requestprocessor class (1) A class written by the user must inherit the Requestprocessor class and override its process () method. (2) The function of this class and actionservlet is to process the

Generally speaking, the thinkphp controller is a class, and the operation is a public method of the controller class.The following is a typical definition of a controller class:phpnamespace Home\controller; Use Think\controller; class extends

From Zhang Ziyang: http://www.cnblogs.com/JimmyZhang/archive/2009/01/03/1367644.html This tutorial explores the topics of ASP. net mvc controller, controller action, and action result. After reading this tutorial, you will understand how the controller controls the way visitors interact with ASP. net mvc websites. 1. Understand the

There are two ways to implement a view controller to the screen: embed it in a container view controller or directly render it. The container view Controller provides a primary navigation function for an application, but the present view controller is also an important navigation tool. You can directly use presentation

# CD $HIVE _home/scripts/metastore/upgrade/mysql [Dev root @ sd-9c1f-2eac/usr/local/src/apache-hive-2.1.1-bin/scripts/metastore/upgrade/mysql]# ls001-hive-972.mysql.sql 027-hive-12819.mysql.sql Hive-schema-2.0.0.mysql.sql002-hive-

Describes how to create a controller (createController) in Yii2. Default controller in yii2 This example describes how to create a controller (createController) in yii2. We will share this with you for your reference. The details are as follows: In yii, the controller is created by parsing the routing information throu

Read the catalogue: 1. Introduction Ingress of the 2.ASP.NETMVC controller controllers (execution flow of director) 3.ASP.NETMVC Controller's entry (System of Controllers inheritance) 4.ASP.NETMVC IController Factory Controllers factory (controller creation) 1 "IntroductionAfter the previous article . Net/asp.net routing Routing (in-depth analysis of the routing system Architecture

2.3 Hive Internal Introduction: P44The jar file under the $HIVE _home/lib is a specific functional part; (CLI module) Other components, Thrift services, remote access to other process features, and the ability to access hive using JDBC and ODBC; all hive clients need a Metastore Service (meta-data Service), which is us

Label: Environment:hadoop2.2.0 hive0.13.1 Ubuntu 14.04 LTS java version "1.7.0_60"oracle10g * * * Welcome reprint. Please indicate source * * * http://blog.csdn.net/u010967382/article/details/38709751Download the installation package at the following addressHttp://mirrors.cnnic.cn/apache/hive/stable/apache-hive-0.13.1-bin.tar.gz The installation package is extracted to the server/home/fulong/

First, the installation mode introduction:Hive official on-line introduces 3 kinds of hive installation methods, corresponding to different application scenarios. 1, in-line mode (meta data to protect the village in the embedded derby species, allow a session link, try multiple session links will be error) 2. Local mode (install MySQL locally instead of Derby store metadata) 3. Remote mode (remotely install MySQL instead of Derby storage metadata)

Alex's Hadoop cainiao Tutorial: tutorial 10th Hive getting started, hadoophiveInstall Hive Compared to many tutorials, I first introduced concepts. I like to install them first, and then use examples to introduce them. Install Hive first. First confirm whether the corresponding yum source has been installed, if not as written in this tutorial install cdh yum sour