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https://issues.apache.org/jira/browse/CASSANDRA-17628?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andres de la Peña updated CASSANDRA-17628:
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Fix Version/s: 3.0.28
3.11.14
4.0.5
4.1-alpha
4.2
(was: 3.0.x)
(was: 4.x)
(was: 3.11.x)
(was: 4.0.x)
Since Version: 2.1.13
Source Control Link:
https://github.com/apache/cassandra/commit/09692d5a58d96089c699f59e9b7daacd066e902d
Resolution: Fixed
Status: Resolved (was: Ready to Commit)
> CQL writetime and ttl functions should be forbidden for multicell columns
> -------------------------------------------------------------------------
>
> Key: CASSANDRA-17628
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17628
> Project: Cassandra
> Issue Type: Bug
> Components: CQL/Semantics
> Reporter: Andres de la Peña
> Assignee: Andres de la Peña
> Priority: Normal
> Fix For: 3.0.28, 3.11.14, 4.0.5, 4.1-alpha, 4.2
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> CQL {{writetime}} and {{ttl}} functions are currently forbidden for
> collections, frozen or not. Also, they are always allowed for UDTs, frozen or
> not:
> {code}
> CREATE TYPE udt (a int, b int);
> CREATE TABLE t (k int PRIMARY KEY, s set<int>, fs frozen<set<int>>, t udt, ft
> frozen<udt>);
> SELECT writetime(s) FROM t; -- fails
> SELECT writetime(st) FROM t; -- fails
> SELECT writetime(t) FROM t; -- allowed
> SELECT writetime(ft) FROM t; -- allowed
> {code}
> This is done by checking in
> [{{Selectable.WritetimeOrTTL#newSelectorFactory}}|https://github.com/apache/cassandra/blob/cassandra-4.0.4/src/java/org/apache/cassandra/cql3/selection/Selectable.java#L250]
> whether the column is a collection or not. However, I think that what we
> should check is whether the column is multi-cell. That way the function would
> work with frozen collections and UDTs, and it would reject unfrozen
> collections and UDTs:
> {code}
> SELECT writetime(s) FROM t; -- fails
> SELECT writetime(st) FROM t; -- allowed
> SELECT writetime(t) FROM t; -- fails
> SELECT writetime(ft) FROM t; -- allowed
> {code}
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