drill-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Rahul Raj <rahul....@option3consulting.com>
Subject Re: Implicit file columns
Date Mon, 12 Dec 2016 14:43:47 GMT
Hi Arina,

Yes, we do have a jdbc plugin enabled. The extra fields appear on CSVs,
parquets created from CSV files etc and not just limited to files queries
through the jdbc plugin.

Regards,
Rahul

On Mon, Dec 12, 2016 at 7:58 PM, Arina Yelchiyeva <
arina.yelchiyeva@gmail.com> wrote:

> Hi Rahul,
>
> I guess you are querying data using Jdbc plugin, if yes, then it is a bug
> (please see https://issues.apache.org/jira/browse/DRILL-4903).
> Other than that case, as far as I know, Drill doesn't return implicit
> columns in select star query.
> I am not sure if there is a way to disable it without changing the code.
>
> Kind regards
> Arina
>
> On Mon, Dec 12, 2016 at 4:08 PM, Rahul Raj <rahul.raj@option3consulting.
> com>
> wrote:
>
> > From Drill 1.7, a select star query returns some implicit file
> columns(like
> > FQN,fileName,filePath,suffix). I could not find a documentation related
> to
> > this. This feature has been added with the commit
> > https://github.com/apache/drill/pull/491.
> >
> > Can someone explain why it is required? Is there any ways to disable it?
> >
> > Rahul
> >
> > --
> > **** This email and any files transmitted with it are confidential and
> > intended solely for the use of the individual or entity to whom it is
> > addressed. If you are not the named addressee then you should not
> > disseminate, distribute or copy this e-mail. Please notify the sender
> > immediately and delete this e-mail from your system.****
> >
>

-- 
**** This email and any files transmitted with it are confidential and 
intended solely for the use of the individual or entity to whom it is 
addressed. If you are not the named addressee then you should not 
disseminate, distribute or copy this e-mail. Please notify the sender 
immediately and delete this e-mail from your system.****

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message