3 Commits

Author	SHA1	Message	Date
Tom Lane	cc59049daf	Improve handling of prune/no-prune decisions by storing a page's oldest ... unpruned XMAX in its header. At the cost of 4 bytes per page, this keeps us from performing heap_page_prune when there's no chance of pruning anything. Seems to be necessary per Heikki's preliminary performance testing.	2007-09-21 21:25:42 +00:00
Tom Lane	08fc73c4c3	Code review for btreefuncs additions: restrict to superusers to avoid ... exposing user data to others, and clean up usage of deprecated APIs.	2007-08-26 23:22:49 +00:00
Bruce Momjian	64058429c5	Add database page inspection /contrib module. ... Simon and Heikki	2007-05-17 19:11:25 +00:00