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From "Julien (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-14521) With server-generated timestamps, INSERT after DELETE may not be applied
Date Thu, 14 Jun 2018 13:00:00 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-14521?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16512434#comment-16512434
] 

Julien commented on CASSANDRA-14521:
------------------------------------

Priority decreased as I have a workaround.

My application is able to know that the DELETE statement will be followed by an INSERT, and
that it is therefore useless as long as the INSERT has all necessary columns.

> With server-generated timestamps, INSERT after DELETE may not be applied
> ------------------------------------------------------------------------
>
>                 Key: CASSANDRA-14521
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-14521
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Julien
>            Priority: Minor
>
> We use server-generated timestamps for all requests because of CASSANDRA-14304.
> The scenario is basically the following:
> {code}
> INSERT INTO mytable(id) VALUES ('1');
> DELETE FROM mytable  WHERE id='1';
> INSERT INTO mytable(id) VALUES ('1');
> SELECT * FROM mytable WHERE id='1';
> {code}
> SELECT _sometimes_ does not return anything when the java driver has {{CassandraClientConnector.with(ServerSideTimestampGenerator.INSTANCE);}}
and the Cassandra cluster has 3 nodes and replication-factor:3.
> This scenario actually works as expected with CQL because I don't know how to force the
usage of server-generated timestamps with CQL. Is it possible?
> It also works correctly with a single Cassandra node.



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