hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Mohammad Tariq <donta...@gmail.com>
Subject Re: Changing column family in hbase
Date Wed, 28 Nov 2012 11:16:39 GMT
Hello Ravi,

     You have to create the new family, "cfadd" and recreate
"adress", "adress2", "adress3" and "city" there, after deleting them form
"cfemp".

Regards,
    Mohammad Tariq



On Wed, Nov 28, 2012 at 4:34 PM, <raviprasad.t@polarisft.com> wrote:

> Hi Mohammad,
>   Our requirement is that,
>   Initially we have created a table 'emp'  with the below detail in single
> column family (cfemp )
>     cfemp:eno
>     cfemp:ename
>     cfemp:address
>
> After that we have added two columns  in the table  (  address2, address3
> and  city),
>   We plan to create a new coloum family called  'cfadd'  to store all the
> address details as below
>      cfemp:eno
>      cfemp:ename
>      cfadd:address   -- Previously it was in cfemp column family
>      cfadd:address2
>      cfadd:address3
>      cfadd:city
>
> Regards,
> Ravi
>
> -----Mohammad Tariq <dontariq@gmail.com> wrote: -----
> To: "user@hbase.apache.org" <user@hbase.apache.org>
> From: Mohammad Tariq <dontariq@gmail.com>
> Date: 11/28/2012 02:39PM
> Subject: Re: Changing column family in hbase
>
> Hello Ravi,
>
>     Short answer, no. We don't have a way to achieve this. At lest I am not
> aware of any. (Please share with us if you are able to achieve this.)
>
> But, just out of curiosity, I would like to ask you, why would you want to
> do that? I mean I don't see any fundamental difference between both the
> schemata.
>
> Regards,
>     Mohammad Tariq
>
>
>
> On Wed, Nov 28, 2012 at 2:28 PM, <raviprasad.t@polarisft.com> wrote:
>
> >  Hi,
> >   We need to change columns of Hbase table from one column family to
> > another column family .
> >
> > Example :-
> >     HBase table Name :-  emp
> >
> >     Column family :-  cf1
> >         Under the column family cf1, we have the following columns
> >                       cf1: no
> >                       cf1:name
> >                       cf1:salary
> >                       cf1: job
> >
> > We have created another column family called  'cf2'  in the same table
> > 'emp'
> >
> > How to replace Column family cf1's   columns to another column family
> > 'cf2' like below ?
> >
> >                       cf2: no
> >                        cf2:name
> >                        cf2:salary
> >                        cf2: job
> >
> > Regards
> > Ravi
> >
> >
> >
> > This e-Mail may contain proprietary and confidential information and is
> > sent for the intended recipient(s) only.  If by an addressing or
> > transmission error this mail has been misdirected to you, you are
> requested
> > to delete this mail immediately. You are also hereby notified that any
> use,
> > any form of reproduction, dissemination, copying, disclosure,
> modification,
> > distribution and/or publication of this e-mail message, contents or its
> > attachment other than by its intended recipient/s is strictly prohibited.
> >
> > Visit us at http://www.polarisFT.com
> >
>
>
> This e-Mail may contain proprietary and confidential information and is
> sent for the intended recipient(s) only.  If by an addressing or
> transmission error this mail has been misdirected to you, you are requested
> to delete this mail immediately. You are also hereby notified that any use,
> any form of reproduction, dissemination, copying, disclosure, modification,
> distribution and/or publication of this e-mail message, contents or its
> attachment other than by its intended recipient/s is strictly prohibited.
>
> Visit us at http://www.polarisFT.com
>

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