More stable query plans via more predictable column statistics

Title

Topic

Miscellaneous

Created

2015-12-02 09:19:28

Last modified

2016-02-03 16:51:45 (8 years, 9 months ago)

Latest email

2016-04-05 05:58:42 (8 years, 7 months ago)

Status

2016-01: Returned with feedback

Target version

Authors

Alex Shulgin (ash)

Reviewers

Tomas Vondra (fuzzycz)Become reviewer

Committer

Links

Checkout latest CFbot patchset

Go to your local checkout of the PostgreSQL repository and run:

git remote add commitfest https://github.com/postgresql-cfbot/postgresql.git
git fetch commitfest cf/434
git checkout commitfest/cf/434

Emails

More stable query plans via more predictable column statistics: First at 2015-12-01 15:21:13 by "Shulgin, Oleksandr" <oleksandr.shulgin at zalando.de>
Latest at 2016-04-05 05:58:42 by "Shulgin, Oleksandr" <oleksandr.shulgin at zalando.de>
Latest attachment (better-MCV-cutoff-1.patch) at 2016-04-02 16:37:53 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (better-MCV-cutoff-1.patch) at 2016-04-02 16:37:53 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (0001-Account-for-NULLs-in-ANALYZE-more-strictly.patch) at 2016-03-02 17:56:50 from "Shulgin, Oleksandr" <oleksandr.shulgin at zalando.de> (Patch: Yes)
    Attachment (analyze-better-histogram-v2.patch) at 2016-02-08 14:01:00 from "Shulgin, Oleksandr" <oleksandr.shulgin at zalando.de> (Patch: Yes)
    Attachment (ndistinct-nulls-fix.patch) at 2016-01-23 10:22:08 from Tomas Vondra <tomas.vondra at 2ndquadrant.com> (Patch: Yes)
    Attachment (analyze-better-histogram.patch) at 2015-12-01 15:21:13 from "Shulgin, Oleksandr" <oleksandr.shulgin at zalando.de> (Patch: Yes)

History

When	Who	What
2016-02-03 16:51:45	Álvaro Herrera (alvherre)	Closed in commitfest 2016-01 with status: Returned with feedback
2016-01-23 10:32:22	Tomas Vondra (fuzzycz)	New status: Waiting on Author
2016-01-23 10:23:02	Tomas Vondra (fuzzycz)	Added fuzzycz as reviewer
2015-12-02 09:19:40	Alex Shulgin (ash)	Changed authors to Alex Shulgin (ash)
2015-12-02 09:19:28	Alex Shulgin (ash)	Attached mail thread CACACo5RFCsMDZrsxwzZ0HsCBY51EttXB=HwZhfp+X7EGRgeSSQ@mail.gmail.com
2015-12-02 09:19:28	Alex Shulgin (ash)	Created patch record