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From "Cheng, Hao" <hao.ch...@intel.com>
Subject RE: Saprk 1.5 - How to join 3 RDDs in a SQL DF?
Date Mon, 12 Oct 2015 00:32:21 GMT
A join B join C === (A join B) join C
Semantically they are equivalent, right?

From: Richard Eggert [mailto:richard.eggert@gmail.com]
Sent: Monday, October 12, 2015 5:12 AM
To: Subhajit Purkayastha
Cc: User
Subject: Re: Saprk 1.5 - How to join 3 RDDs in a SQL DF?


It's the same as joining 2. Join two together, and then join the third one to the result of
that.
On Oct 11, 2015 2:57 PM, "Subhajit Purkayastha" <spurkaya@p3si.net<mailto:spurkaya@p3si.net>>
wrote:
Can I join 3 different RDDs together in a Spark SQL DF? I can find examples for 2 RDDs but
not 3.

Thanks

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