Improve row estimates for empty tables

Title

Topic

Performance

Created

2020-08-23 21:10:09

Last modified

2020-08-30 16:22:18 (3 years, 8 months ago)

Latest email

2020-08-30 17:13:31 (3 years, 8 months ago)

Status

2020-09: Committed

Target version

Authors

Tom Lane (tgl)

Reviewers

Pavel Stehule (okbobcz)Become reviewer

Committer

Tom Lane (tgl)

Links

Emails

Row estimates for empty tables: First at 2020-07-24 04:01:25 by Christophe Pettus <xof at thebuild.com>
Latest at 2020-08-30 17:13:31 by Pavel Stehule <pavel.stehule at gmail.com>
Latest attachment (use-minus-one-for-unknown-reltuples-1.patch) at 2020-08-23 21:08:16 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (use-minus-one-for-unknown-reltuples-1.patch) at 2020-08-23 21:08:16 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (fakepages.patch) at 2020-07-25 03:40:08 from Pavel Stehule <pavel.stehule at gmail.com> (Patch: Yes)
    Attachment (set-relpages-nonzero-after-vacuum-or-analyze.patch) at 2020-07-24 22:34:45 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)

History

When	Who	What
2020-08-30 16:22:18	Tom Lane (tgl)	Closed in commitfest 2020-09 with status: Committed
2020-08-30 16:15:14	Tom Lane (tgl)	Added tgl as committer
2020-08-25 08:03:35	Pavel Stehule (okbobcz)	Added okbobcz as reviewer
2020-08-25 08:00:19	Pavel Stehule (okbobcz)	New status: Ready for Committer
2020-08-23 21:10:25	Tom Lane (tgl)	Changed authors to Tom Lane (tgl)
2020-08-23 21:10:09	Tom Lane (tgl)	Attached mail thread F02298E0-6EF4-49A1-BCB6-C484794D9ACC@thebuild.com
2020-08-23 21:10:09	Tom Lane (tgl)	Created patch record