Home | About | Sematext search-lucene.com search-hadoop.com
 Search Hadoop and all its subprojects:

Switch to Threaded View
HBase, mail # user - checkAnd...


Copy link to this message
-
RE: checkAnd...
Liu, Raymond 2013-05-16, 03:20
How about this one : https://issues.apache.org/jira/browse/HBASE-8542
Best Regards,
Raymond Liu

> -----Original Message-----
> From: Lior Schachter [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, May 16, 2013 1:18 AM
> To: user
> Subject: Re: checkAnd...
>
> yes, I believe this will cover most of the use-cases.
>
> Lior
>
>
> On Tue, May 14, 2013 at 9:25 PM, Mike Spreitzer <[EMAIL PROTECTED]>
> wrote:
>
> > Why not go whole hog and create checkAndMultiMutate (for all varieties
> > of
> > mutation) (all on the same row)?
> >
> > Thanks,
> > Mike
> >
> >
> >
> > From:   Lior Schachter <[EMAIL PROTECTED]>
> > To:     user <[EMAIL PROTECTED]>,
> > Date:   04/27/2013 10:31 AM
> > Subject:        Re: checkAnd...
> >
> >
> >
> > found the checkAndIncrement Jira -
> > HBASE-6712<https://issues.apache.org/jira/browse/HBASE-6712>
> > .
> > Would be nice to have also checkandAppend.
> >
> > Any ideas how to solve to the use case I described ?
> >
> >
> > On Sat, Apr 27, 2013 at 4:46 PM, Jean-Marc Spaggiari <
> > [EMAIL PROTECTED]> wrote:
> >
> > > Hi Ted,
> > >
> > > Will it be a good idea to add it? Should we open a JIRA and
> > > implement checkANDIncrement? Might be pretty simple.
> > >
> > > JM
> > >
> > > 2013/4/27 Ted Yu <[EMAIL PROTECTED]>:
> > > > Take a look at the following method in HRegionServer:
> > > >
> > > >   public boolean checkAndPut(final byte[] regionName, final byte[]
> > row,
> > > >       final byte[] family, final byte[] qualifier, final byte[] value,
> > > >       final Put put) throws IOException {
> > > >
> > > > You can create checkAndIncrement() in a similar way.
> > > >
> > > > Cheers
> > > >
> > > > On Sat, Apr 27, 2013 at 9:02 PM, Lior Schachter
> > > > <[EMAIL PROTECTED]>
> > > wrote:
> > > >
> > > >> Hi,
> > > >> I want to increment a cell value only after checking a condition
> > > >> on
> > > another
> > > >> cell. I could find checkAndPut/checkAndDelete on HTableInteface.
> > > >> It
> > > seems
> > > >> that checkAndIncrement (and checkAndAppend) are missing.
> > > >>
> > > >> Can you suggest a workaround for my use-case ?  working with
> > > >> version 0.94.5.
> > > >>
> > > >> Thanks,
> > > >> Lior
> > > >>
> > >
> >
> >