IF is just added lasy evening.

I will add it to wiki today.

We don't have case, decode etc yet.


Zheng



On 1/29/09, Shane Brady <[email protected]> wrote:
> Hello,
>
> I'm rather new to Hive and have been playing with it the last couple weeks
> to see if it is appropriate to use for a particular project inside where I
> work.  My essential question is, how to maintain data integrity inside the
> tables so that we don't accidentally load duplicate data.  Normally we rely
> on indexes or unique keys to enforce this.  Is there a general strategy for
> this in Hive?
>
> In a second question, I haven't seen anything like it in the docs, but is
> there any equivalent to CASE,DECODE, or IF-THEN-ELSE allowed in the query?
>
> Thanks!
>
> -Shane P. Brady
>

-- 
Sent from Gmail for mobile | mobile.google.com

Yours,
Zheng

Reply via email to