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From Andrea Gazzarini <andrea.gazzar...@gmail.com>
Subject Re: Only keys in a column family
Date Thu, 28 Feb 2013 13:15:03 GMT
That's great! The 3rd point seems exactly what happened on my column 
family.
As supposed it was a matter of ignorance :D

Many many thanks
Andrea

On 02/28/2013 01:39 PM, VĂ­ctor Hugo Oliveira Molinar wrote:
> Let me know if it help you, 
> http://www.datastax.com/docs/1.0/dml/about_writes#about-deletes
>
>
> On Thu, Feb 28, 2013 at 5:35 AM, Andrea Gazzarini 
> <andrea.gazzarini@gmail.com <mailto:andrea.gazzarini@gmail.com>> wrote:
>
>     Hi,
>     I'm using Cassandra 1.1.8 and today I saw in my keyspace a column
>     family with the following content
>
>     > SELECT * FROM challenge;
>      KEY
>     ----------------------------
>      49feb2000100000a556522ed68
>      49feb2000100000a556522ed74
>      49feb2000100000a556522ed7a
>      49feb2000100000a556522ed72
>      49feb2000100000a556522ed76
>      49feb2000100000a556522ed6a
>      49feb2000100000a556522ed70
>      49feb2000100000a556522ed78
>      49feb2000100000a556522ed6e
>      49feb2000100000a556522ed6c
>
>     So, only rowkeys.
>     Yesterday those rows were there and I ran some deletions (exactly
>     on those rows). I'm using Hector
>
>     /Mutator<byte []> mutator = HFactory.createMutator(keyspace,
>     BYTES_ARRAY_SERIALIZER)//
>     //    .addDeletion(challengeRowKey(...),
>     CHALLENGE_COLUMN_FAMILY_NAME)/
>         ./execute();/
>
>     This is a small development and test environment on a single
>     machine / single node so I don't believe the hardware details are
>     relevant.
>     Probably I'm doing something stupid or I didn't get the point
>     about how things are working, but as far I understood the rows
>     above are no valid... column name and column value coordinates are
>     missing so there are no valid cells (rowkey / column name / column
>     value)...is that right?
>
>     I read about ghost reads but I think this is a scenario in a
>     distribuited environment...is that valid after one day and on a
>     single Cassandra node??
>
>     Regards and thanks in advance,
>     Andrea
>
>


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