On 02/15/2018 10:52 AM, Ken Tanzer wrote:
> Hi. I'm wondering about possibilities for taking action when a table is
> renamed.
>
> Specifically in this case, I'm using table_log, which when you use it on
> a table creates a new table, sequence and index that is tied to the
> table name. Of course, if the oriignal table is renamed, the other
> relations aren't. So I rename table to table_old, and then create a new
> version of table, but the table logging fails because of the
> already-existing relations that table_log created.
>
> I could of course rename them manually, or create a function to do it,
> but that would still need to be manually invoked. I haven't really used
> listen/notify--I assume it could do this, but there would need to be
> some kind of process actively listening?
>
> Something like a trigger on the table rename would be ideal for my
> purposes. Anything like that possible? Thanks!
>
> Ken
>
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Maybe?:
https://www.postgresql.org/docs/9.6/static/event-triggers.html
https://www.postgresql.org/docs/9.6/static/plpgsql-trigger.html#PLPGSQL-EVENT-TRIGGER
--
Adrian Klaver
adrian.klaver@aklaver.com