[jira] [Created] (CASSANDRA-12420) Duplicated Key in IN clause with a small fetch size will run forever

["ZhaoYang (JIRA)" <ji...@apache.org>]

ZhaoYang created CASSANDRA-12420:
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             Summary: Duplicated Key in IN clause with a small fetch size will run forever
                 Key: CASSANDRA-12420
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12420
             Project: Cassandra
          Issue Type: Bug
         Environment: cassandra 2.1.14, driver 2.1.7.1
            Reporter: ZhaoYang
            Assignee: ZhaoYang
             Fix For: 2.1.16


This can be easily reproduced and fetch size is smaller than the correct number of rows.
        Select select = QueryBuilder.select().from("ks", "cf");
        select.where().and(QueryBuilder.eq("a", 1));
        select.where().and(QueryBuilder.in("b", Arrays.asList(1, 1, 1)));
        select.setFetchSize(5);

Now we put a distinct method in client side to eliminate the duplicated key, but it's better to fix inside Cassandra.



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