On Tue, 2008-09-02 at 12:05 +0100, Gregory Stark wrote: > I wonder if it would be more worthwhile to remove them and have a > subsequent phase where we look for possible joins to *add*. So even if > the user writes > "select * from invoices where customer_id=?" the planner might be able > to discover that it can find those records quicker by scanning > customer, finding the matching <company_id,customer_id> and then using > an index to look them up in invoices.
That's a good idea. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-patches mailing list (pgsql-patches@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-patches
