On Tue, Feb 3, 2009 at 10:06 PM, Simon Riggs <simon@xxxxxxxxxxxxxxx> wrote: > > 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. This was proposed once already and some difficulties were identified. Do you remember what they were? -- greg -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
