Re: fixing old_snapshot_threshold's time->xid mapping

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>

To: Michael Paquier <michael@paquier.xyz>

Cc: Thomas Munro <thomas.munro@gmail.com>, Dilip Kumar <dilipbalaut@gmail.com>, Andres Freund <andres@anarazel.de>, Kevin Grittner <kgrittn@gmail.com>, "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>

Date: 2020-09-19T00:19:39Z

Lists: pgsql-hackers

Attachments

v9-0003-Fix-two-bugs-in-MaintainOldSnapshotTimeMapping.patch (application/octet-stream) patch v9-0003
v9-0002-Add-new-old_snapshot-contrib-module.patch (application/octet-stream) patch v9-0002
v9-0001-Expose-oldSnapshotControl-definition-via-new-head.patch (application/octet-stream) patch v9-0001

On Thu, Sep 17, 2020 at 10:40 AM Robert Haas <robertmhaas@gmail.com> wrote:
> Yeah, I plan to push forward with 0001 through 0003 soon, but 0001
> needs to be revised with a PGDLLIMPORT marking, I think, and 0002
> needs documentation.

So here's an updated version of those three, with proposed commit
messages, a PGDLLIMPORT for 0001, and docs for 0002.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Commits

Remove the "snapshot too old" feature.
- f691f5b80a85 17.0 landed
Fix two bugs in MaintainOldSnapshotTimeMapping.
- 55b7e2f4d78d 14.0 landed
Add new 'old_snapshot' contrib module.
- aecf5ee2bb36 14.0 landed
Expose oldSnapshotControl definition via new header.
- f5ea92e8d620 14.0 landed