rhive-query {RHive} | R Documentation |
Execute HQL(Hive Query) in R using functions in Package ‘RHive’
rhive.query(query, fetchSize=50, limit=-1) rhive.big.query(query ,fetchSize=50, limit=-1, memLimit=64*1024*1024)
query |
hive query. |
fetchSize |
fetch size for result. |
limit |
total result size. |
memLimit |
the size of data can be handled in R's memory. |
The query argument is Hive Query Language.
rhive.query
returns data.frame.
Apache Hive Query Language Manual (https://cwiki.apache.org/confluence/display/Hive/LanguageManual).
## 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()