Improve semijoin selectivity estimates by clamping them to not more than innerjoin equivalent

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Title Improve semijoin selectivity estimates by clamping them to not more than innerjoin equivalent
Topic Bug Fixes
Created 2018-09-25 20:15:38
Last modified 2018-11-23 17:49:09 (2 weeks, 3 days ago)
Latest email 2018-11-23 17:17:34 (2 weeks, 3 days ago)
Status
2018-11: Committed
Authors Tom Lane (tgl)
Reviewers Melanie Plageman (melanieplageman)Become reviewer
Committer Tom Lane (tgl)
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Emails
BUG #15160: planner overestimates number of rows in join when there are more than 200 rows coming from CTE
First at 2018-04-17 09:40:50 by PG Bug reporting form <noreply at postgresql.org>
Latest at 2018-11-23 17:17:34 by Tom Lane <tgl at sss.pgh.pa.us>
Latest attachment (suggested_semijoin_selec_refactor.patch) at 2018-11-16 18:31:47 from Melanie Plageman <melanieplageman at gmail.com>
    Attachment (suggested_semijoin_selec_refactor.patch) at 2018-11-16 18:31:47 from Melanie Plageman <melanieplageman at gmail.com> (Patch: Yes)
    Attachment (clamp-semijoin-selectivity-1.patch) at 2018-09-25 20:11:15 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
History
When Who What
2018-11-23 17:49:09 Tom Lane (tgl) Closed in commitfest 2018-11 with status: Committed
2018-11-23 17:49:09 Tom Lane (tgl) Changed committer to tgl
2018-11-20 20:25:31 Melanie Plageman (melanieplageman) New status: Ready for Committer
2018-11-16 00:51:45 Melanie Plageman (melanieplageman) Posted review with messageid <154232950503.1400.7562962199586713542.pgcf@coridan.postgresql.org>
2018-11-16 00:51:45 Melanie Plageman (melanieplageman) New status: Waiting on Author
2018-11-06 02:18:21 Melanie Plageman (melanieplageman) Added melanieplageman as reviewer
2018-09-25 20:16:09 Tom Lane (tgl) Changed authors to Tom Lane (tgl)
2018-09-25 20:16:09 Tom Lane (tgl) Changed topic to Bug Fixes
2018-09-25 20:15:38 Tom Lane (tgl) Attached mail thread 152395805004.19366.3107109716821067806@wrigleys.postgresql.org
2018-09-25 20:15:38 Tom Lane (tgl) Created patch record
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