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From ramkrishna vasudevan <ramkrishna.s.vasude...@gmail.com>
Subject Re: delete of cells with visibility expressions
Date Wed, 04 Nov 2015 05:39:05 GMT
Sorry for the confusion. Yes the bug exists. When I tried in the cluster
the Visibilty CP was not on. So it is better we can raise a JIRA and fix
this over there. Thanks Anoop Sharma and sorry for the delay from my side
due to wrong info.

Regards
Ram

On Wed, Nov 4, 2015 at 4:15 AM, Anoop Sharma <anoop.sharma@esgyn.com> wrote:

> hi
>
> which hbase version did you try this on?
> We tried on the following 2 hbase versions and see the delete problem.
>
>    Version 1.0.2, r76745a2cbffe08b812be16e0e19e637a23a923c5, Tue Aug 25
> 15:59:49 PDT 2015
>    Version 1.1.2, rcc2b70cf03e3378800661ec5cab11eb43fafe0fc, Wed Aug 26
> 20:11:27 PDT 2015
>
> Is there a later version that has the fix?
>
> thanks
>
> -----Original Message-----
> From: ramkrishna vasudevan [mailto:ramkrishna.s.vasudevan@gmail.com]
> Sent: Sunday, November 1, 2015 11:11 PM
> To: user@hbase.apache.org
> Subject: Re: delete of cells with visibility expressions
>
> Is it still a bug? I reproduced the above steps in latest trunk and I
> thought the behaviour was corrected due to a recent bug fix?  Is it not
> that
> case ?
>
> Regards
> Ram
>
> On Mon, Nov 2, 2015 at 12:20 PM, Anoop John <anoop.hbase@gmail.com> wrote:
>
> > I believe it is a bug.. I think I know the reason also..  Can you file
> > a jira?  We can discuss under that.  Thanks for the test.
> >
> > -Anoop-
> >
> > On Sat, Oct 31, 2015 at 12:45 AM, Anoop Sharma
> > <anoop.sharma@esgyn.com>
> > wrote:
> >
> > > Thanks Ram.
> > >
> > > we are using hbase 1.0.2.
> > >
> > > anoop
> > >
> > > -----Original Message-----
> > > From: ramkrishna vasudevan [mailto:ramkrishna.s.vasudevan@gmail.com]
> > > Sent: Thursday, October 29, 2015 10:22 PM
> > > To: user@hbase.apache.org
> > > Subject: Re: delete of cells with visibility expressions
> > >
> > > Hi Anoop
> > >
> > > Which version of the HBase are you using?  This got solved in the
> > > latest version of 0.98 and above. Could you try that?  I just
> > > reproduced this
> > and
> > > this problem no longer occurs.
> > >
> > > Regards
> > > Ram
> > >
> > > On Fri, Oct 30, 2015 at 3:26 AM, Anoop Sharma
> > > <anoop.sharma@esgyn.com>
> > > wrote:
> > >
> > > > hi
> > > >
> > > >   running into an issue related to visibility expressions and delete.
> > > >
> > > > Example run from hbase shell is listed below.
> > > >
> > > > Will appreciate any help on this issue.
> > > >
> > > > thanks.
> > > >
> > > >
> > > >
> > > > In the example below, user running queries has ‘MANAGER’
> > > > authorization.
> > > >
> > > >
> > > >
> > > > *First example:*
> > > >
> > > >   add a column with visib expr ‘MANAGER’
> > > >
> > > >   delete it by passing in visibility of ‘MANAGER’
> > > >
> > > >   This works and scan doesn’t return anything.
> > > >
> > > >
> > > >
> > > > *Second example:*
> > > >
> > > >   add a column with visib expr ‘MANAGER’
> > > >
> > > >   delete it by not passing in any visibility.
> > > >
> > > >   This doesn’t delete the column.
> > > >
> > > >   Scan doesn’t return the row but RAW scan shows the column
> > > >
> > > >   marked as deleteColumn.
> > > >
> > > >
> > > >
> > > >   Now if delete is done again with visibility of ‘MANAGER’,
> > > >
> > > >   it still doesn’t delete it and scan returns the original column.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > *Example 1:*
> > > >
> > > > hbase(main):096:0> create 'HBT1', 'cf'
> > > >
> > > >
> > > >
> > > > hbase(main):098:0* *put 'HBT1', 'John', 'cf:a', 'CA',
> > > > {VISIBILITY=>'MANAGER'}*
> > > >
> > > >
> > > >
> > > > hbase(main):099:0> *scan 'HBT1'*
> > > >
> > > > ROW
> > > > COLUMN+CELL
> > > >
> > > >  John                 column=cf:a, timestamp=1446154722055,
> > > > value=CA
> > > >
> > > > 1 row(s) in 0.0030 seconds
> > > >
> > > >
> > > >
> > > > hbase(main):100:0> *delete 'HBT1', 'John', 'cf:a',
> > > > {VISIBILITY=>'MANAGER'}*
> > > >
> > > > 0 row(s) in 0.0030 seconds
> > > >
> > > >
> > > >
> > > > hbase(main):101:0> *scan 'HBT1'*
> > > >
> > > > ROW
> > > > COLUMN+CELL
> > > >
> > > > 0 row(s) in 0.0030 seconds
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > *Example 2:*
> > > >
> > > > hbase(main):010:0* *put 'HBT1', 'John', 'cf:a', 'CA',
> > > > {VISIBILITY=>'MANAGER'}*
> > > >
> > > > 0 row(s) in 0.0040 seconds
> > > >
> > > >
> > > >
> > > > hbase(main):011:0> *scan 'HBT1'*
> > > >
> > > > ROW
> > > > COLUMN+CELL
> > > >
> > > >  John                 column=cf:a, timestamp=1446155346473,
> > > > value=CA
> > > >
> > > > 1 row(s) in 0.0060 seconds
> > > >
> > > >
> > > >
> > > > hbase(main):012:0> *delete 'HBT1', 'John', 'cf:a'*
> > > >
> > > > 0 row(s) in 0.0090 seconds
> > > >
> > > >
> > > >
> > > > hbase(main):013:0> *scan 'HBT1'*
> > > >
> > > > ROW
> > > > COLUMN+CELL
> > > >
> > > >  John                 column=cf:a, timestamp=1446155346473,
> > > > value=CA
> > > >
> > > > 1 row(s) in 0.0050 seconds
> > > >
> > > >
> > > >
> > > > hbase(main):014:0> *scan 'HBT1', {RAW => true}*
> > > >
> > > > ROW
> > > > COLUMN+CELL
> > > >
> > > >  John                 column=cf:a, timestamp=1446155346519,
> > > > type=DeleteColumn
> > > >
> > > > 1 row(s) in 0.0060 seconds
> > > >
> > > >
> > > >
> > > > hbase(main):015:0> *delete 'HBT1', 'John', 'cf:a',
> > > > {VISIBILITY=>'MANAGER'}*
> > > >
> > > > 0 row(s) in 0.0030 seconds
> > > >
> > > >
> > > >
> > > > hbase(main):016:0> *scan 'HBT1'*
> > > >
> > > > ROW
> > > > COLUMN+CELL
> > > >
> > > >  John                 column=cf:a, timestamp=1446155346473,
> > > > value=CA
> > > >
> > > > 1 row(s) in 0.0040 seconds
> > > >
> > > >
> > > >
> > > > hbase(main):017:0> *scan 'HBT1', {RAW => true}*
> > > >
> > > > ROW
> > > > COLUMN+CELL
> > > >
> > > >  John                 column=cf:a, timestamp=1446155346601,
> > > > type=DeleteColumn
> > > >
> > > > 1 row(s) in 0.0060 seconds
> > > >
> > >
> >
>

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