Thank you, exactly what I was looking for. I have read of it before but never 
associated.

Saif

From: Adrian Tanase [mailto:atan...@adobe.com]
Sent: Friday, October 02, 2015 8:24 AM
To: Ellafi, Saif A.; user@spark.apache.org
Subject: Re: Accumulator of rows?

Have you seen window functions?
https://databricks.com/blog/2015/07/15/introducing-window-functions-in-spark-sql.html

From: "saif.a.ell...@wellsfargo.com<mailto:saif.a.ell...@wellsfargo.com>"
Date: Thursday, October 1, 2015 at 9:44 PM
To: "user@spark.apache.org<mailto:user@spark.apache.org>"
Subject: Accumulator of rows?

Hi all,

I need to repeat a couple rows from a dataframe by n times each. To do so, I 
plan to create a new Data Frame, but I am being unable to find a way to 
accumulate “Rows” somewhere, as this might get huge, I can’t accumulate into a 
mutable Array, I think?.

Thanks,
Saif

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