Update comments on rd_newRelfilenodeSubid.

Simon Riggs <simon@2ndQuadrant.com>

Commit: c2b32180649fe9105e784ad0519fe243605f78a3
Author: Simon Riggs <simon@2ndQuadrant.com>
Date: 2012-12-24T17:07:06Z
Releases: 9.3.0
Update comments on rd_newRelfilenodeSubid.
Ensure comments accurately reflect state of code
given new understanding, and recent changes.
Include example code from Noah Misch to
illustrate how rd_newRelfilenodeSubid can be
reset deterministically. No code changes.

Files

PathChange+/−
src/backend/commands/copy.c modified +15 −6
src/include/utils/rel.h modified +11 −2