rhive-query {RHive}R Documentation

Execute HQL(Hive Query) in R, using functions in Package ‘RHive’

Description

Execute HQL(Hive Query) in R using functions in Package ‘RHive’

Usage

rhive.query(query, fetchSize=50, limit=-1)
rhive.big.query(query ,fetchSize=50, limit=-1, memLimit=64*1024*1024)

Arguments

query

hive query.

fetchSize

fetch size for result.

limit

total result size.

memLimit

the size of data can be handled in R's memory.

Details

The query argument is Hive Query Language.

Value

rhive.query returns data.frame.

Author(s)

rhive@nexr.com

References

Apache Hive Query Language Manual (https://cwiki.apache.org/confluence/display/Hive/LanguageManual).

Examples

## try to connect hive server
## Not run: rhive.connect("127.0.0.1")

## execute hive query
## Not run: rhive.query("select ename from emp")

## close connection
## Not run: rhive.close()

[Package RHive version 2.0-0.10 Index]