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From Jonathan Ellis <jbel...@gmail.com>
Subject Re: super column
Date Sat, 22 May 2010 11:51:15 GMT
(a) No

(b) you should restrict it to < 2GB of data in 0.6

On Sat, May 22, 2010 at 3:55 AM, huajun qi <qihjun@gmail.com> wrote:
> Can the value of a column under a super column be a super column?
>
> For examples:
>
> sc={
>        name:"name",
>        value:{
>            {name:"First Name", value:"John"}
>            {name:"Last Name", value:"LBJ"}
>       }
> }
>
> this is a super column above, can I add a super column below to it's value?
>
> info={name:"info",
>       value:{
>     "age":"20",
>    "gender":"M"
> }
> }
>
> Can I add the super column to the top one to make this:
>
> sc={
>        name:"name",
>        value:{
>            {name:"First Name", value:"John"}
>            {name:"Last Name", value:"LBJ"}
>            {name:"info",value:{name:"info",
>       value:{
>     "age":"20",
>    "gender":"M"
> }
> }}
>       }
> }
>
>
> And I have another question: should I restrict the number of columns in a
> row?
>
> --
> Location:
>



-- 
Jonathan Ellis
Project Chair, Apache Cassandra
co-founder of Riptano, the source for professional Cassandra support
http://riptano.com

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