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 2019-01-28 22:54:49 (2 months, 2 weeks ago)
Latest email 2019-01-28 23:04:29 (2 months, 2 weeks ago)
Status
2019-01: Committed
2018-11: Moved to next CF
Target version
Authors Tom Lane (tgl)
Reviewers David Rowley (davidrowley), Mark Dilger (hornschnorter)Become reviewer
Committer Tom Lane (tgl)
Links
Emails
"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 2019-01-28 23:04:29 by Tom Lane <tgl at sss.pgh.pa.us>
Latest attachment (get-rid-of-empty-jointrees-6.patch) at 2019-01-14 20:48:32 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (get-rid-of-empty-jointrees-6.patch) at 2019-01-14 20:48:32 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (get-rid-of-empty-jointrees-5.patch) at 2019-01-04 19:48:57 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    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
2019-01-28 22:54:49 Tom Lane (tgl) Closed in commitfest 2019-01 with status: Committed
2019-01-28 22:54:49 Tom Lane (tgl) Changed committer to tgl
2019-01-06 03:18:25 David Rowley (davidrowley) Added davidrowley as reviewer
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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