Rohit Rai created CASSANDRA-7100:
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Summary: Regression in 2.0.x - Cql3 reader returns duplicate rows
if the cluster column is reversed
Key: CASSANDRA-7100
URL: https://issues.apache.org/jira/browse/CASSANDRA-7100
Project: Cassandra
Issue Type: Bug
Affects Versions: 1.2.6
Reporter: Rohit Rai
Assignee: Alex Liu
Fix For: 1.2.9
To reproduce it,
cqlsh:test> select * from wordfreq;
title | occurances | word
---------+------------+-------
alex123 | 4 | liu3
alex1 | 23456 | liu2
alex10 | 10 | liu10
alex12 | 34 | liu3
alex | 123456 | liu1
alex | 1000 | liu
CREATE TABLE wordfreq ( title text, word text, occurances int, PRIMARY KEY
(title,occurances)) WITH CLUSTERING ORDER by (occurances DESC);
The hadoop job returns 7 rows instead of 6 rows.
I will post a patch soon.
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