Re: The plan for FDW-based sharding

On Tue, Mar  1, 2016 at 10:19:45AM -0500, Robert Haas wrote:
> > Two reasons:
> > 1. There is no ideal implementation of DTM which will fit all possible needs
> > and be  efficient for all clusters.
> 
> Hmm, what is the reasoning behind that statement?  I mean, it is
> certainly true that there are some places where we have decided that
> one-size-fits-all is not the right approach.  Indexing, for example.

Uh, is that even true of indexing?  While the plug-in nature of indexing
allows for easier development and testing, does anyone create plug-in
indexing that isn't shipped by us?  I thought WAL support was something
that prevented external indexing solutions from working.

--  Bruce Momjian  <bruce@momjian.us>        http://momjian.us EnterpriseDB
http://enterprisedb.com

+ As you are, so once was I. As I am, so you will be. +
+ Roman grave inscription                             +