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From karim abbouh <karim_...@yahoo.fr>
Subject Re : Re : selecting data
Date Fri, 20 May 2011 15:02:54 GMT
a storage-conf.xml is read just at the starting of cassandra?
is there a way to add a column family dynamically?

BR




________________________________
De : karim abbouh <karim_rbt@yahoo.fr>
À : user@cassandra.apache.org
Envoyé le : Ven 20 mai 2011, 12h 48min 54s
Objet : Re : selecting data


is there a way to set  for a column of the same key a set of value ?




________________________________
De : Watanabe Maki <watanabe.maki@gmail.com>
À : "user@cassandra.apache.org" <user@cassandra.apache.org>
Envoyé le : Jeu 19 mai 2011, 17h 38min 39s
Objet : Re: selecting data


Cassandra is not a RDBMS. Only you can do is search on a key, or you need full 
scan.
You need  to design your schema carefully as your application needs.



On 2011/05/20, at 1:11, karim abbouh <karim_rbt@yahoo.fr> wrote:


i'm new using cassandra database,
>i want to get data as in relationnel database:
>select * from table where field="value";
>i see using CLI we have just the followings commands :
>get <ksp>.<cf>['<key>']                                  Get a slice
of 
columns.
>get  <ksp>.<cf>['<key>']['<super>']                   Get a slice
of sub 
>columns.
>get  <ksp>.<cf>['<key>']['<col>']                            
Get a column 
>value.
>get <ksp>.<cf>['<key>']['<super>']['<col>']            
 Get a sub column 
value.
>
>is there a way for that.
>i think using java API is possible.
>cassandra version : 6.0.12
>
>
>thanks for help
>
>
>
>
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