Re: Command Triggers

On Tue, Dec 13, 2011 at 8:59 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> Now, all that having been said, I also agree that the perfect can be
> the enemy of the good, and we go there frequently.  The question I'm
> asking is not whether the feature is perfect, but whether it's
> adequate for even the most basic things people might want to do with
> it.  Dimitri says that he wants it so that we can add support for
> CREATE TABLE, ALTER TABLE, and DROP TABLE to Slony, Bucardo, and
> Londiste.  My fear is that it won't turn out to be adequate to that
> task, because there won't actually be enough information in the CREATE
> TABLE statement to do the same thing on all servers.  In particular,
> you won't have the index or constraint names, and you might not have
> the schema or tablespace information either.

But, you could query all that out from the system catalogs right?
Maybe a better facility should exist to convert a table name to a
create table statement than hand rolling it or invoking pg_dump, but
that's a separate issue.

This feature fills an important niche given that you can't hook RI
triggers to system catalogs...it comes up (in short, +1).

merlin