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HBase, mail # user - checkAnd...


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Lior Schachter 2013-04-27, 13:02
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Ted Yu 2013-04-27, 13:23
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Jean-Marc Spaggiari 2013-04-27, 13:46
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Lior Schachter 2013-04-27, 14:29
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Mike Spreitzer 2013-05-14, 18:25
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Re: checkAnd...
Lior Schachter 2013-05-15, 17:18
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
> > >>
> >
>
>
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Liu, Raymond 2013-05-16, 03:20
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Lior Schachter 2013-04-27, 13:45
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Ted Yu 2013-04-27, 22:32
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Asaf Mesika 2013-04-28, 19:55
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Lior Schachter 2013-04-30, 19:25