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From "Sandeep Tata (JIRA)" <>
Subject [jira] Commented: (CASSANDRA-53) Add new call to API: get_slice_by_name_range
Date Wed, 13 May 2009 05:10:45 GMT


Sandeep Tata commented on CASSANDRA-53:

Yes. I'm waiting for Jun to add his mergesort based access method. He's blocked on a bunch
of other changes...

I'll post a patch tomorrow using existing access methods so you can roll this in the 0.3 release.
We can rewire this to the new access methods once they're there.

> Add new call to API: get_slice_by_name_range
> --------------------------------------------
>                 Key: CASSANDRA-53
>                 URL:
>             Project: Cassandra
>          Issue Type: New Feature
>         Environment: all
>            Reporter: Sandeep Tata
>            Assignee: Sandeep Tata
> A new get call that lets you get all the columns between colStart and colEnd like:
> get_slice_by_name_range(string tablename,string key,string columnFamily_column, String
columnNameStart = "" , String columnNameEnd)
> This would be particularly useful if you were encoding some information in the column
names, and couldn't leverage just offset and count to get at the correct set of columns (eg
all columns starting with "b").
> It might be fine to support this call only on name sorted column families and throw an
UnsupportedException for other columnfamilies.

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