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From "Stephen Powis (JIRA)" <>
Subject [jira] [Created] (CASSANDRA-4327) Sorting results when using IN()
Date Mon, 11 Jun 2012 06:01:45 GMT
Stephen Powis created CASSANDRA-4327:

             Summary: Sorting results when using IN() 
                 Key: CASSANDRA-4327
             Project: Cassandra
          Issue Type: Improvement
    Affects Versions: 1.1.1
            Reporter: Stephen Powis
            Priority: Minor
             Fix For: 1.1.2

Using the following test schema:

  my_id varchar, 
  time_id uuid,
  value int,
  PRIMARY KEY (my_id, time_id)

When you issue a CQL3 query like: 
select * from test where my_id in('key1', 'key2') order by time_id; 

You receive the error:
"Ordering is only supported if the first part of the PRIMARY KEY is restricted by an Equal"

I'm including a patch I put together after spending an hour or two poking thru the code base
that sorts the results for these types of queries.  I'm hoping someone with a deeper understanding
of Cassandra's code base can take a look at it, clean it up or use it as a starting place,
and include it in an upcoming release.

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