Thanks for you replies Jean,Dhaval On Tue, Oct 21, 2014 at 6:57 PM, Dhaval Shah <prince_mithi...@yahoo.co.in> wrote:
> You can achieve what you want using versions and some hackery with > timestamps > > > Sent from my T-Mobile 4G LTE Device > > > -------- Original message -------- > From: Jean-Marc Spaggiari <jean-m...@spaggiari.org> > Date:10/21/2014 9:02 AM (GMT-05:00) > To: user <user@hbase.apache.org> > Cc: > Subject: Re: Duplicate Value Inserts in HBase > > You can do check and puts to validate if value is already there, but it's > slower... > > 2014-10-21 8:50 GMT-04:00 Krishna Kalyan <krishnakaly...@gmail.com>: > > > Thanks Jean, > > If i put the same value in my table for a particular column for a rowkey > i > > want HBase reject this value and retain old value with old time stamp. > > In other words update only when value changes. > > > > Regards, > > Krishna > > > > On Tue, Oct 21, 2014 at 6:02 PM, Jean-Marc Spaggiari < > > jean-m...@spaggiari.org> wrote: > > > > > Hi Krishna, > > > > > > HBase will store them in the same row, same cell but you will have 2 > > > versions. If you want to keep just one, setup the version=1 on the > table > > > side and only one will be stored. Is that what yo mean? > > > > > > JM > > > > > > 2014-10-21 8:29 GMT-04:00 Krishna Kalyan <krishnakaly...@gmail.com>: > > > > > > > Hi, > > > > I have a HBase table which is populated from pig using PigStorage. > > > > While inserting, suppose for rowkey i have a duplicate value. > > > > Is there a way to prevent an update?. > > > > I want to maintain the version history for my values which are > unique. > > > > > > > > Regards, > > > > Krishna > > > > > > > > > >
