Then we don’t support trigger until CASSANDRA-20287 is fixed, and this rule
applies to custom index , too. right ?


Sam Tunnicliffe <s...@beobal.com> 于2025年2月5日周三 01:24写道:

> This is really a bug with the current implementation of
> CreateTriggerStatement and I've filed CASSANDRA-20287 to address it.
>
> Thanks,
> Sam
>
> > On 3 Feb 2025, at 21:06, Štefan Miklošovič <smikloso...@apache.org>
> wrote:
> >
> > Correct, snapshotting is the way to go here via nodetool cms snapshot
> >
> > But, you see? One more "problem" ... I bet my boots that in the majority
> of cases this will be forgotten. Then we would need to put that JAR back
> just to boot the cluster for the sake of snapshotting it.
> >
> > On Mon, Feb 3, 2025 at 9:58 PM Abe Ratnofsky <a...@aber.io> wrote:
> > AFAIK the TCM replay issue you're describing (something is created and
> dropped during replay, fails if can't create) applies to custom types and a
> few other things, and one way around it is CMS snapshotting so replay
> doesn't start at epoch 0; it wouldn't be safe to remove the trigger from
> the classpath until the trigger drop epoch has been included in a snapshot:
> https://cwiki.apache.org/confluence/display/CASSANDRA/CEP-21%3A+Transactional+Cluster+Metadata#CEP21:TransactionalClusterMetadata-SnapshottingMetadataLog
> >
> > I also think it's reasonable to not include triggers (or other custom
> fields) in the clone, but if users need to sort out what parts of their
> original table were copied to their clone it's not as convenient to have a
> separate command for it.
>
>

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