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From Alonso Isidoro Roman <>
Subject Re: Spark JOIN Not working
Date Tue, 24 May 2016 09:19:53 GMT
Could you share a bit of the dataset? difficult to test without data...

Alonso Isidoro Roman
[image: https://]

2016-05-24 8:43 GMT+02:00 Aakash Basu <>:

> Hi experts,
> I'm extremely new to the Spark Ecosystem, hence need a help from you guys.
> While trying to fetch data from CSV files and join querying them in
> accordance to the need, when I'm caching the data by using
> registeredTempTables and then using select query to select what I need as
> per the given condition, I'm getting the data. BUT when I'm trying to do
> the same query using JOIN, I'm getting zero results.
> Both the codes attached are same, except a few differences, like the
> Running_Code.scala uses the Select Query and the
> ProductHierarchy_Dimension.scala uses the JOIN queries.
> Please help me out in this. Stuck for two long days.
> Thanks,
> Aakash.
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