"Simon Riggs" <[EMAIL PROTECTED]> writes:
> On Mon, 2007-01-08 at 11:28 -0500, Bruce Momjian wrote:
>> The complex part of this is that the feature requires patches to the
>> backend, and has a /contrib component.

> The plugin approach is exactly what happened with the debugger. The
> backend has an appropriate plugin API and the debugger is a plugin.

> The patch to the backend shouldn't be in contrib, definitely.

> I would say its up to the installer to offer the opportunity to load the
> adviser plugin, or not. I like plugins because they encourage faster
> paced development, diversity and choice.

I would suggest that if we want to encourage faster development, we
should do the same thing we did with the plpgsql debugger support:
put the plugin hooks into the backend and keep the actual plugin(s)
as separate pgfoundry projects.  That way the index advisor can have
a release every few weeks if it needs it .... and it will, for awhile.
Stuff in contrib is necessarily tied to the backend release cycle.

(This is not a statement that I approve of the specific plugin hooks
proposed --- I don't particularly.  But if we can come up with something
a bit cleaner, that's how I'd approach it.)

                        regards, tom lane

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