Then you can create the new cf and build a MR to copy your data from the previous cf to the new one? When it's done, you delete the previous cf... Le 28 nov. 2012 06:40, <[email protected]> a écrit :
> Hi, > Yes, I need to move the data into new cf. > Thanks a lot for reply. > > Regards > Ravi > > -----Anoop Sam John <[email protected]> wrote: ----- > To: "[email protected]" <[email protected]> > From: Anoop Sam John <[email protected]> > Date: 11/28/2012 04:49PM > Subject: RE: Changing column family in hbase > > If you are having data in the current table schema? > You want some how to move the data to new CF? If yes I dont think it is > possible. Some similar question was asked in the mailing list today. Is > your scenario also same? > > -Anoop- > ________________________________________ > From: [email protected] [[email protected]] > Sent: Wednesday, November 28, 2012 4:34 PM > To: [email protected] > Subject: Re: Changing column family in hbase > > 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 <[email protected]> wrote: ----- > To: "[email protected]" <[email protected]> > From: Mohammad Tariq <[email protected]> > 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, <[email protected]> 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 > > > 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 >
