Re: Regarding the error in Hive query

[James Warren <ja...@stanfordalumni.org>]

(moving to user@hive, bcc'ing dev@hive)

Hi Bhavesh -

Hive only supports equality conditions for joins.  See

https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Joins

cheers,
-James

On Tue, Jan 3, 2012 at 10:16 PM, Bhavesh Shah <bh...@gmail.com>wrote:

> Hello,
> I am trying to implement join query in HIve but I am getting error.
>
> My query is:
> insert overwrite table t1 select subset.* from subset s JOIN testencounter
> t on (t.patient_mrn =s.patient_mrn and t.encounter_date<=s.encounter_date)
> where s.cad=0;
> I am getting error as:
> FAILED: Error in semantic analysis: Line 1:114 Both left and right aliases
> encountered in JOIN Encounter_Date
>
> What is this error I am not getting it? Pls suggest me some solution.
>
>
> --
> Thanks and Regards,
> Bhavesh Shah
>