Oh, just figured it out:

tabs.map(c => Array(c(167), c(110), c(200)) 

Thanks for all of the advice, eh?!

On Sun Dec 14 2014 at 1:14:00 PM Yana Kadiyska <yana.kadiyska@gmail.com> wrote:
Denny, I am not sure what exception you're observing but I've had luck with 2 things:

val table = sc.textFile("hdfs://....")

You can try calling table.first here and you'll see the first line of the file.
You can also do val debug = table.first.split("\t") which would give you an array and you can indeed verify that the array contains what you want in  positions 167,119 and 200. In the case of large files with a random bad line I find wrapping the call within the map in try/catch very valuable -- you can dump out the whole line in the catch statement

Lastly I would guess that you're getting a compile error and not a runtime error -- I believe c is an array of values so I think you want 
tabs.map(c => (c(167), c(110), c(200)) instead of tabs.map(c => (c._(167), c._(110), c._(200))

On Sun, Dec 14, 2014 at 3:12 PM, Denny Lee <denny.g.lee@gmail.com> wrote:
Yes - that works great! Sorry for implying I couldn't. Was just more flummoxed that I couldn't make the Scala call work on its own. Will continue to debug ;-)

On Sun, Dec 14, 2014 at 11:39 Michael Armbrust <michael@databricks.com> wrote:
BTW, I cannot use SparkSQL / case right now because my table has 200 columns (and I'm on Scala 2.10.3)