Improve planner cost estimations for alternative subplans

Edit
Title Improve planner cost estimations for alternative subplans
Topic Performance
Created 2020-06-05 16:10:01
Last modified 2020-06-05 16:10:25 (1 month, 1 week ago)
Latest email 2020-06-22 01:39:37 (3 weeks, 1 day ago)
Status
2020-07: Needs review
Target version 14
Authors Alexey Bashtanov (bashtanov)
Reviewers Melanie Plageman (melanieplageman)Become reviewer
Committer
Links
Emails
Improve planner cost estimations for alternative subplans
First at 2020-06-05 16:08:02 by Alexey Bashtanov <bashtanov at imap.cc>
Latest at 2020-06-22 01:39:37 by Tom Lane <tgl at sss.pgh.pa.us>
Latest attachment (better-alternativesubplan-cost-ests-1.patch) at 2020-06-22 01:39:37 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (better-alternativesubplan-cost-ests-1.patch) at 2020-06-22 01:39:37 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (alternatives-cost-as-geom-mean-v2.patch) at 2020-06-05 16:08:02 from Alexey Bashtanov <bashtanov at imap.cc> (Patch: Yes)
History
When Who What
2020-06-17 01:16:45 Melanie Plageman (melanieplageman) Added melanieplageman as reviewer
2020-06-05 16:10:25 Alexey Bashtanov (bashtanov) Changed authors to Alexey Bashtanov (bashtanov)
2020-06-05 16:10:25 Alexey Bashtanov (bashtanov) Changed targetversion to 14
2020-06-05 16:10:01 Alexey Bashtanov (bashtanov) Attached mail thread 07b3fa88-aa4e-2e13-423d-8389eb1712cf@imap.cc
2020-06-05 16:10:01 Alexey Bashtanov (bashtanov) Created patch record
Edit