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https://issues.apache.org/jira/browse/CASSANDRA-14956?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sam Tunnicliffe updated CASSANDRA-14956:
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Resolution: Fixed
Fix Version/s: (was: 2.2.x)
(was: 2.1.x)
2.2.14
2.1.21
Status: Resolved (was: Ready to Commit)
Thanks, committed to 2.1 in {{dd228d4581b020fb2fb788858481c81357d7fa72}} and
merged (test only to 3.0+).
> Paged Range Slice queries with DISTINCT can drop rows from results
> ------------------------------------------------------------------
>
> Key: CASSANDRA-14956
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14956
> Project: Cassandra
> Issue Type: Bug
> Components: CQL/Interpreter
> Reporter: Sam Tunnicliffe
> Assignee: Sam Tunnicliffe
> Priority: Major
> Fix For: 2.1.21, 2.2.14
>
>
> If we have a partition where the first CQL row is fully deleted (possibly via
> TTLs), and that partition happens to fall on the page boundary of a paged
> range query which is using SELECT DISTINCT, the next live partition *after*
> it is omitted from the result set. This is due to over fetching of the pages
> and a bug in trimming those pages where overlap occurs.
> This does not affect 3.0+.
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