| From: | "Alexander Staubo" <alex(at)purefiction(dot)net> |
|---|---|
| To: | "Andrew Sullivan" <ajs(at)crankycanuck(dot)ca> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Slightly OT. |
| Date: | 2007-06-01 21:22:18 |
| Message-ID: | 88daf38c0706011422w2e4ebe50p5dce4c13b6aa3096@mail.gmail.com |
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| Thread: | |
| Lists: | pgsql-general |
On 6/1/07, Andrew Sullivan <ajs(at)crankycanuck(dot)ca> wrote:
> > I could be wrong, but I believe Slony fails at this because it is
> > trigger-based and simply cannot detect DDL changes.
>
> No, there were in fact alternatives (like, for instance, patching the
> back end code). But that was undesirable for the reason I note
> above.
Curiously enough, that does not conflict with anything I wrote. I am,
clearly, not wrong: A deliberate decision was made not to patch
PostgreSQL with the hooks Slony would need to support DDL changes;
therefore, since it relies purely on triggers, it cannot detect DDL
changes.
Alexander.
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