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" wrote: > Can I join 3 different RDDs together in a Spark SQL DF? I can find > examples for 2 RDDs but not 3. > > > > Thanks > > >

RE: Saprk 1.5 - How to join 3 RDDs in a SQL DF?

A join B join C === (A join B) join C Semantically they are equivalent, right? From: Richard Eggert [mailto:richard.egg...@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

Re: Saprk 1.5 - How to join 3 RDDs in a SQL DF?

> *From:* Richard Eggert [mailto:richard.egg...@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 joi

RE: Saprk 1.5 - How to join 3 RDDs in a SQL DF?

hih...@gmail.com] Sent: Monday, October 12, 2015 8:37 AM To: Cheng, Hao Cc: Richard Eggert; Subhajit Purkayastha; User Subject: Re: Saprk 1.5 - How to join 3 RDDs in a SQL DF? Some weekend reading: http://stackoverflow.com/questions/20022196/are-left-outer-joins-associative Cheers On Sun, Oct 11, 2015 a