Convert join OR clauses into UNION queries

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Title Convert join OR clauses into UNION queries
Topic Performance
Created 2017-02-14 20:17:15
Last modified 2018-10-02 01:11:27 (5 years, 5 months ago)
Latest email 2018-10-02 01:32:10 (5 years, 5 months ago)
Status
2018-09: Returned with feedback
2018-07: Moved to next CF
2018-03: Moved to next CF
2018-01: Moved to next CF
2017-11: Moved to next CF
2017-09: Moved to next CF
2017-03: Moved to next CF
Target version
Authors Tom Lane (tgl)
Reviewers Peter Geoghegan (pgeoghegan), Jim Nasby (decibel), Noah Misch (nmisch)Become reviewer
Committer
Links
Emails
Improve OR conditions on joined columns.
First at 2017-02-08 22:07:40 by Jim Nasby <Jim.Nasby at BlueTreble.com>
Latest at 2018-10-02 01:32:10 by Tom Lane <tgl at sss.pgh.pa.us>
Latest attachment (mk-bench-union-or.pl) at 2018-09-04 01:59:10 from Noah Misch <noah at leadboat.com>
    Attachment (mk-bench-union-or.pl) at 2018-09-04 01:59:10 from Noah Misch <noah at leadboat.com> (Patch: No)
    Attachment (join-or-to-union-5.patch) at 2018-08-23 18:10:46 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (join-or-to-union-4.patch) at 2018-01-04 22:50:48 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (join-or-to-union-3.patch) at 2017-09-12 12:48:14 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (join-or-to-union-2.patch) at 2017-02-14 19:18:54 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (join-or-to-union-1.patch) at 2017-02-12 00:30:35 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (test.sql) at 2017-02-08 22:07:40 from Jim Nasby <Jim.Nasby at BlueTreble.com> (Patch: No)
History
When Who What
2018-10-02 01:11:27 Michael Paquier (michael-kun) Closed in commitfest 2018-09 with status: Returned with feedback
2018-09-04 02:00:24 Noah Misch (nmisch) New status: Waiting on Author
2018-09-03 20:48:26 Noah Misch (nmisch) Added nmisch as reviewer
2018-08-10 22:15:27 Andrew Dunstan (adunstan) Closed in commitfest 2018-07 with status: Moved to next CF
2018-04-21 06:15:35 Andres Freund (andresfreund) Changed reviewers to Peter Geoghegan (pgeoghegan), Jim Nasby (decibel)
2018-04-10 12:38:02 David Steele (dsteele) Closed in commitfest 2018-03 with status: Moved to next CF
2018-02-07 15:42:07 David Steele (dsteele) Closed in commitfest 2018-01 with status: Moved to next CF
2017-11-30 01:29:54 Michael Paquier (michael-kun) Closed in commitfest 2017-11 with status: Moved to next CF
2017-10-02 10:07:50 Daniel Gustafsson (d_gustafsson) Closed in commitfest 2017-09 with status: Moved to next CF
2017-09-12 16:34:45 Tom Lane (tgl) New status: Needs review
2017-09-12 14:29:27 Aleksander Alekseev (a.alekseev) New status: Waiting on Author
2017-04-03 18:52:21 Andres Freund (andresfreund) Closed in commitfest 2017-03 with status: Moved to next CF
2017-03-21 23:44:57 Jim Nasby (decibel) Added decibel as reviewer
2017-02-14 20:17:33 Tom Lane (tgl) Changed authors to Tom Lane (tgl)
2017-02-14 20:17:15 Tom Lane (tgl) Attached mail thread 7f70bd5a-5d16-e05c-f0b4-2fdfc8873489@BlueTreble.com
2017-02-14 20:17:15 Tom Lane (tgl) Created patch record
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