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RImpala (version 0.1.6)

Using Cloudera 'Impala' Through 'R'

Description

Cloudera 'Impala', which is a massively parallel processing (MPP) SQL query engine runs natively in Apache Hadoop. 'RImpala' facilitates the connection and execution of distributed queries through 'R'. 'Impala' supports JDBC integration which 'RImpala' utilizes to establish the connection between 'R' and 'Impala'. Thanks to Mu Sigma for their continued support throughout the development of the package.

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Version

Install

install.packages('RImpala')

Monthly Downloads

23

Version

0.1.6

License

GPL-3

Maintainer

Vijay Raajaa

Last Published

May 7th, 2015

Functions in RImpala (0.1.6)

rimpala.showtables

Function to display the list of all the tables present
RImpala-package

A Package to interface R and Impala
rimpala.showdatabases

Function to list all the databases present
rimpala.refresh

Refreshes and loads the new metadata for the given table
rimpala.init

Adds the folder containing the jars for Impala in the Classpath
rimpala.invalidate

Invalidates the metadata of a one or all tables
rimpala.query

Function to run a Query in Impala
rimpala.usedatabase

Function to change the current working database
rimpala.close

Function to close the JDBC connection to Impala
rimpala.describe

Function to describe any table present in Hive's metastore
rimpala.connect

Establishes a JDBC connection to a machine running Impala