On Sat, Mar 27, 2010 at 10:10 AM, Simon Riggs <si...@2ndquadrant.com> wrote: > It appears that in practice many of the index items point to heap items > that are LP_DEAD. So for the purposes of accessing a heap tuple's xmin, > then we're both right. To the current purpose the tuple has been > removed, though you are also right: its stub remains.
If we're pruning an index entry to a heap tuple that has been HOT pruned wouldn't the HOT pruning record have already conflicted with any queries that could see it? -- greg -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
