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From Edward Capriolo <edlinuxg...@gmail.com>
Subject Re: hive-0.7.0 semantic analysis inside catalogs
Date Thu, 25 Aug 2011 18:23:42 GMT
On Thu, Aug 25, 2011 at 12:11 PM, Ayon Sinha <ayonsinha@yahoo.com> wrote:

> You need
>  select one.a, two.b from one join two on one.a=two.a group by one.a,*two.b
> *;
>
> -Ayon
> See My Photos on Flickr <http://www.flickr.com/photos/ayonsinha/>
> Also check out my Blog for answers to commonly asked questions.<http://dailyadvisor.blogspot.com>
>
> ------------------------------
> *From:* Edward Capriolo <edlinuxguru@gmail.com>
> *To:* user@hive.apache.org
> *Sent:* Thursday, August 25, 2011 8:16 AM
> *Subject:* hive-0.7.0 semantic analysis inside catalogs
>
> The parser can not handle certain queries inside catlogs.
>
> [11:09:51] <ecapriolo> hive> create table one (a int,b int) fields
> terminated by '\t';
> [11:09:51] <ecapriolo> FAILED: Parse Error: line 1:31 mismatched input
> 'fields' expecting EOF
> [11:09:51] <ecapriolo>
> [11:09:51] <ecapriolo> hive> create table one (a int,b int) row format
> delimited fields terminated by '\t';
> [11:09:51] <ecapriolo> OK
> [11:09:51] <ecapriolo> Time taken: 0.459 seconds
> [11:09:51] <ecapriolo> hive> create table two (a int,b int) row format
> delimited fields terminated by '\t';
> [11:09:51] <ecapriolo> OK
> [11:09:51] <ecapriolo> Time taken: 0.039 seconds
> [11:09:51] <ecapriolo> hive> select one.a, two.b from one join two on
> one.a=two.a group by one.a;
> [11:09:51] <ecapriolo> FAILED: Error in semantic analysis: line 1:14
> Expression Not In Group By Key two
>
> Is there a fix/workaround?
>
> Edward
>
>
>
Shame on me. Of course all select columns have to be in group by.

I was using many aliases in a query and sometimes the above error gets
masked by something like this:
FAILED: Error in semantic analysis: line 20:81 Invalid Column Reference
host_name

Thank you again,
Edward

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