I made a patch for "Cache last known per-tuple offsets to speed
long tuple access" that is in TODO list.
This problem was discussed on hackers-list as "Terrible performance
on wide selects".
The point of this problem is nocachegetattr() used from ExecEvalVar().
If tuple
a_ogawa [EMAIL PROTECTED] writes:
I made a patch for Cache last known per-tuple offsets to speed
long tuple access that is in TODO list.
I referred URL below for implementation.
http://archives.postgresql.org/pgsql-performance/2003-01/msg00262.php
This wasn't quite what I had in mind. In