pgsql: Allow vacuums to report oldestxmin

Simon Riggs <simon@2ndquadrant.com>

From: Simon Riggs <simon@2ndQuadrant.com>

To: pgsql-committers@postgresql.org

Date: 2017-03-03T13:50:11Z

Lists: pgsql-hackers

Allow vacuums to report oldestxmin

Allow VACUUM and Autovacuum to report the oldestxmin value they
used while cleaning tables, helping to make better sense out of
the other statistics we report in various cases.

Branch
------
master

Details
-------
http://git.postgresql.org/pg/commitdiff/9eb344faf54a849898d9be012ddfa8204cfeb57c

Modified Files
--------------
src/backend/commands/vacuumlazy.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

Commits

Simplify the example of VACUUM in documentation.
- 75eea8d7f54b 9.2.21 landed
- 82f7c3255300 9.3.17 landed
- cb366b507995 9.4.12 landed
- 86f0e538955e 9.5.7 landed
- fa0d1fd8955c 9.6.3 landed
- ec19693014ed 10.0 landed
Allow vacuums to report oldestxmin
- 9eb344faf54a 10.0 cited
Message editing: remove gratuitous variations in message wording, standardize
- feb4f44d296b 7.4.1 cited