On Tue, 2009-02-03 at 15:03 -0500, Chris Mayfield wrote: > 1. Having to rewrite entire tables out to disk the first time I scan > them, for example: > > CREATE TABLE t1 AS ...; -- writes 100 GB to disk > CREATE INDEX i1 ON t1 ...; -- rewrites 100 GB to disk > > The main issue is setting the hint bits for each tuple, which IMO should > initially be set for "CREATE TABLE AS" statements. To work around this > for now, I modified heap_insert (in heapam.c) to mark tuples as > committed when inserting them into newly added pages without WAL:
I'll take this for 8.5. -- Simon Riggs www.2ndQuadrant.com PostgreSQL Training, Services and Support -- Sent via pgsql-general mailing list (pgsql-general@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
