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From "Stu Hood (JIRA)" <>
Subject [jira] Commented: (CASSANDRA-1599) Add sort/order support for secondary indexing
Date Mon, 11 Oct 2010 17:33:37 GMT


Stu Hood commented on CASSANDRA-1599:

>> column families which are sorted by the index value
> This is the hard part, I am having trouble wrapping my mind
RandomPartitioner would need to use wide rows for a distributed index, but order preserving
partitioners could use skinny rows.

> As suggested by "adding a CF index type" I think using the same index query api makes
more sense.
The comment above assumes that 1600 is a good idea: we would be using the same index query
API: get_range_slices.

> Add sort/order support for secondary indexing
> ---------------------------------------------
>                 Key: CASSANDRA-1599
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>          Components: API
>            Reporter: Todd Nine
>             Fix For: 0.8
> For a lot of users paging is a standard use case on many web applications.  It would
be nice to allow paging as part of a Boolean Expression.
> Page -> start index
>            -> end index
>            -> page timestamp 
>            -> Sort Order
> When sorting, is it possible to sort both ASC and DESC? 

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