[PATCHES] Cache last known per-tuple offsets to speed long tuple access

2004-10-30 Thread a_ogawa
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

Re: [PATCHES] Cache last known per-tuple offsets to speed long tuple access

2004-10-30 Thread Tom Lane
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