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https://issues.apache.org/jira/browse/CASSANDRA-10380?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14903122#comment-14903122
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Sylvain Lebresne commented on CASSANDRA-10380:
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I honestly though we had already done this change in 2.2, but if we hadn't, 3.0
is as good as any other place to do it so +1 and the news and unit test changes.
> SELECT count within a partition does not respect LIMIT
> ------------------------------------------------------
>
> Key: CASSANDRA-10380
> URL: https://issues.apache.org/jira/browse/CASSANDRA-10380
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Adam Holmberg
> Assignee: Benjamin Lerer
> Priority: Minor
> Attachments: 10380.txt
>
>
> {code}
> cassandra@cqlsh> create KEYSPACE test WITH replication = {'class':
> 'SimpleStrategy', 'replication_factor': '1'};
> cassandra@cqlsh> use test;
> cassandra@cqlsh:test> create table t (k int, c int, v int, primary key (k,
> c));
> cassandra@cqlsh:test> INSERT INTO t (k, c, v) VALUES (0, 0, 0);
> cassandra@cqlsh:test> INSERT INTO t (k, c, v) VALUES (0, 1, 0);
> cassandra@cqlsh:test> INSERT INTO t (k, c, v) VALUES (0, 2, 0);
> cassandra@cqlsh:test> select * from t where k = 0;
> k | c | v
> ---+---+---
> 0 | 0 | 0
> 0 | 1 | 0
> 0 | 2 | 0
> (3 rows)
> cassandra@cqlsh:test> select count(*) from t where k = 0 limit 2;
> count
> -------
> 3
> (1 rows)
> {code}
> Expected: count should return 2, according to limit.
> Actual: count of all rows in partition
> This manifests in 3.0, does not appear in 2.2
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