Get invited to our slack community and get access to opportunities and data science insights

sessionize

sessionize(long timeInSec, long thresholdInSec [, String subject])- Returns a UUID string of a session.

SELECT
sessionize(time, 3600, ip_addr) as session_id,
time, ip_addr
FROM (
SELECT time, ipaddr
FROM weblog
DISTRIBUTE BY ip_addr, time SORT BY ip_addr, time DESC
) t1

Platforms: WhereOS, Spark, Hive

Class: hivemall.tools.datetime.SessionizeUDF

More functions can be added to WhereOS via Python or R bindings or as Java & Scala UDF (user-defined function), UDAF (user-defined aggregation function) and UDTF (user-defined table generating function) extensions. Custom libraries can be added on via Settings-page or installed from WhereOS Store.

View the complete guide of WhereOS functions.

share:

No Comments

TAGS : hive spark sql

sessionize

Related Post

hash_md5

train_randomforest_regressor

train_pa2

Leave a Comment Cancel reply

Articles by Category

Recent Posts

How WhereOS and JCDecaux

Data fusion: how integra

percentile_approx

Experimentation In Produ

Open Data Utilization

WhereOS

Navigation

Contact Us