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From "Jonathan Ellis (JIRA)" <>
Subject [jira] Commented: (CASSANDRA-1599) Add sort/order support for secondary indexing
Date Mon, 11 Oct 2010 17:13:35 GMT


Jonathan Ellis commented on CASSANDRA-1599:

This is sort of along the lines of what I was thinking, although I think just adding a ColumnFamily
index type would be adequate to distinguish it.

column families which are sorted by the index value

This is the hard part, I am having trouble wrapping my mind around a scheme that allows both
different sort orders in different CFs and always routes things correctly by node token no
matter which CF you are talking about.

which are queried using get_range_slices

As suggested by "adding a CF index type" I think using the same index query api makes more

> 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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