CVSROOT: /cvsroot
Module name: pgsql-server
Changes by: tgl@postgresql.org 02/09/20 15:56:01
Modified files:
src/backend/commands: vacuum.c vacuumlazy.c
src/backend/storage/freespace: freespace.c
src/backend/storage/smgr: smgr.c
src/include/storage: freespace.h
Log message:
Performance improvement for MultiRecordFreeSpace on large relations ---
avoid O(N^2) behavior. Problem noted and fixed by Stephen Marshall <smarshall@wsicorp.com>,
with some help from Tom Lane.