Make the planner treat empty jointrees as selecting from a new dummy RTE type

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Title Make the planner treat empty jointrees as selecting from a new dummy RTE type
Topic Performance
Created 2018-10-14 22:11:23
Last modified 2018-12-01 13:20:48 (2 weeks, 3 days ago)
Latest email 2018-11-30 12:07:59 (2 weeks, 4 days ago)
Status
2019-01: Needs review
2018-11: Moved to next CF
Authors Tom Lane (tgl)
Reviewers Mark Dilger (hornschnorter)Become reviewer
Committer
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"SELECT ... FROM DUAL" is not quite as silly as it appears
First at 2018-03-15 15:27:44 by Tom Lane <tgl at sss.pgh.pa.us>
Latest at 2018-11-30 12:07:59 by Alexander Kuzmenkov <a.kuzmenkov at postgrespro.ru>
Latest attachment (get-rid-of-empty-jointrees-4.patch) at 2018-11-29 19:11:09 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (get-rid-of-empty-jointrees-4.patch) at 2018-11-29 19:11:09 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (get-rid-of-empty-jointrees-2.patch) at 2018-10-15 03:25:09 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (get-rid-of-empty-jointrees-1.patch) at 2018-10-14 22:04:12 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
History
When Who What
2018-12-01 13:20:48 Dmitry Dolgov (erthalion) Closed in commitfest 2018-11 with status: Moved to next CF
2018-11-28 16:55:21 Mark Dilger (hornschnorter) Posted review with messageid <154342412161.2094.14859341952034622342.pgcf@coridan.postgresql.org>
2018-11-28 16:52:31 Mark Dilger (hornschnorter) Posted review with messageid <154342395130.2093.8013327151440360209.pgcf@coridan.postgresql.org>
2018-11-28 16:27:57 Mark Dilger (hornschnorter) Added hornschnorter as reviewer
2018-11-28 04:15:13 Mark Dilger (hornschnorter) Removed hornschnorter from reviewers
2018-11-27 20:15:15 Mark Dilger (hornschnorter) Added hornschnorter as reviewer
2018-10-14 22:11:41 Tom Lane (tgl) Changed authors to Tom Lane (tgl)
2018-10-14 22:11:23 Tom Lane (tgl) Attached mail thread 15944.1521127664@sss.pgh.pa.us
2018-10-14 22:11:23 Tom Lane (tgl) Created patch record
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