* Simon Riggs: > * Put all hint bits in the block header to allow them to be excluded > more easily from CRC checking. If we used 3 more bits from > ItemIdData.lp_len (limiting tuple length to 4096) then we could store > some hints in the item pointer. HEAP_XMIN_INVALID can be stored as > LP_DEAD, since that will happen very quickly anyway.
What about putting the whole visibility information out-of-line, into its own B-tree, indexed by page number? -- Florian Weimer <fwei...@bfk.de> BFK edv-consulting GmbH http://www.bfk.de/ Kriegsstraße 100 tel: +49-721-96201-1 D-76133 Karlsruhe fax: +49-721-96201-99 -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
