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https://issues.apache.org/jira/browse/CASSANDRA-8430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14239978#comment-14239978
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Philip Thompson commented on CASSANDRA-8430:
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[~angarrett], can you post the schema of a table that deletes a row when
setting the non-partition keys to null?
> Updating a row that has a TTL produce unexpected results
> --------------------------------------------------------
>
> Key: CASSANDRA-8430
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8430
> Project: Cassandra
> Issue Type: Bug
> Reporter: Alan Boudreault
> Labels: cassandra, ttl
> Fix For: 2.0.11, 2.1.2, 3.0
>
> Attachments: test.sh
>
>
> Reported on stackoverflow:
> http://stackoverflow.com/questions/27280407/cassandra-ttl-gets-set-to-0-on-primary-key-if-no-ttl-is-specified-on-an-update?newreg=19e8c6757c62474985fef7c3037e8c08
> I can reproduce the issue with 2.0, 2.1 and trunk. I've attached a small
> script to reproduce the issue with CCM, and here is it's output:
> {code}
> aboudreault@kovarro:~/dev/cstar/so27280407$ ./test.sh
> Current cluster is now: local
> Insert data with a 5 sec TTL
> INSERT INTO ks.tbl (pk, foo, bar) values (1, 1, 'test') using TTL 5;
> pk | bar | foo
> ----+------+-----
> 1 | test | 1
> (1 rows)
> Update data with no TTL
> UPDATE ks.tbl set bar='change' where pk=1;
> sleep 6 sec
> BUG: Row should be deleted now, but isn't. and foo column has been deleted???
> pk | bar | foo
> ----+--------+------
> 1 | change | null
> (1 rows)
> Insert data with a 5 sec TTL
> INSERT INTO ks.tbl (pk, foo, bar) values (1, 1, 'test') using TTL 5;
> pk | bar | foo
> ----+------+-----
> 1 | test | 1
> (1 rows)
> Update data with a higher (10) TTL
> UPDATE ks.tbl USING TTL 10 set bar='change' where pk=1;
> sleep 6 sec
> BUG: foo column has been deleted?
> pk | bar | foo
> ----+--------+------
> 1 | change | null
> (1 rows)
> sleep 5 sec
> Data is deleted now after the second TTL set during the update. Is this a bug
> or the expected behavior?
> (0 rows)
> {code}
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