hive jdbc jar

This article source: http://blog.csdn.net/bluishglc/article/details/46005269 prohibited any form of reprint, or will entrust CSDN official maintenance rights!Many times, we need to introduce a third-party jar package in hive or a "UDF" jar package that we write ourselves. In hive, there are two configurations involved

After the jar file of the udfudafudtf function of hive is developed, you must put the jar file into the hive environment for use. You can add the following three methods: After the jar file of the hive udf udaf udtf function is d

After the jar file of the hive udf udaf udtf function is developed, you must put the jar file into the hive environment. You can add the following three methods: 1. Use the add jar path/test. jar; Method to add The disadvantage

Use of Hiveserver2beeline Overview Url:Https://cwiki.apache.org/confluence/display/Hive/HiveServer2+Clients Hive is just a client, and in production it is not necessary to deploy the cluster There are several major classes of hive clients:-Hive-WebUI: Operation of hive tab

Hive with the JDBC ExampleWhen developing a hive program using JDBC, you must first turn on the remote service interface for hive. Under the Hive installation directory, use the following command to open the bin:Hive-service Hives

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

1, Hive open JDBC Interface, development need to import jar as followsCommons-logging-1.0.4.jarHadoop-common-2.6.0.jarHive_exec.jarHive_jdbc.jarHive_metastore.jarHive_service.jarHttpclient-4.2.5.jarHttpcore-4.2.5.jarLibfb303.jarLog4j-1.2.16.jarSlf4j-api-1.7.5.jarSlf4j-log4j12-1.7.5.jar2, the development of the example program is as follows Package CO

'/home/centos/customers.txt ' into table t2;//upload to hive table from local file, local is uploading file,Copying tables$mysql >create Table TT as SELECT * from users; Copy tables, carry data and table structure$mysql >create table TT like users; Copy table, carry only table structure, without datahive>create table tt as select * from users;hive>create table tt like users ;

Hive supports custom implementation of SQL functions in Java code, with the following steps1: Inherit UDF, implement function evaluate, parameter return value can be overloaded2:jdbc:hive2://ht03:10000/default> Add Jar/opt/hive-udf/udf-str.jar3:create temporary FUNCTION tostring as ' Com.htdc.etl.server.demo.UDFDemo ';4:select Demo (' 1 ', ' 2 ') from car limit 1