Alvaro Herrera <alvherre@xxxxxxxxx> writes: > On Thu, May 26, 2005 at 09:39:26PM -0500, Steve Lane wrote: >> Object sizes are computed from pg_class.relpages with an assumed page size >> of 8192. > Additionally, "show block_size" will give you the block (page) size. I > don't see how would you use that in a query though. current_setting('block_size') regards, tom lane