Re: Conditional get

2010-06-07 Thread Peter Schuller
Thanks. Hopefully one of our phrasings helped someone :) -- / Peter Schuller

Re: Conditional get

2010-06-05 Thread Jonathan Shook
Sorry for the extra post. This version has confusing parts removed and better formatting. It sounds like you are getting a handle on it, but maybe in a round-about way. Here are some ways I like of conceptualizing Cassandra. Maybe they can help. Either the grid analogy or the maps-of-maps analogy

Re: Conditional get

2010-06-05 Thread Jonathan Shook
It sounds like you are getting a handle on it, but maybe in a round-about way. Here are some ways I like of conceptualizing Cassandra. Maybe they can shorten your walk. Either the grid analogy or the maps-of-maps analogy can apply, as they both map conceptually to the way that we use a column fami

Re: Conditional get

2010-06-05 Thread Peter Schuller
> Eric wrote a good explanation with sample code at > http://www.rackspacecloud.com/blog/2010/05/12/cassandra-by-example/ Regarding the schema description and analogy problem mentioned in the article; I found that reading the BigTable paper helped a lot for me. It seemed very useful to me to think

Re: Conditional get

2010-06-05 Thread Jonathan Ellis
You don't. You maintain CFs with denormalized views of the data you want, instead. Eric wrote a good explanation with sample code at http://www.rackspacecloud.com/blog/2010/05/12/cassandra-by-example/ On Fri, Jun 4, 2010 at 3:24 PM, Lev Stesin wrote: > Hi, > > I am not sure how to implement mul

Conditional get

2010-06-04 Thread Lev Stesin
Hi, I am not sure how to implement multiget or slice_range based on a conditional predicate. For example what if I want to get only keys with containing certain columns. Thanks. -- Lev