Skip useless paren-captures in regexps

Title

Topic

Performance

Created

2021-08-04 22:18:31

Last modified

2021-09-01 17:05:53 (2 years, 7 months ago)

Latest email

2021-08-24 18:29:01 (2 years, 8 months ago)

Status

2021-09: Committed

Target version

Authors

Tom Lane (tgl)

Reviewers

Mark Dilger (hornschnorter)Become reviewer

Committer

Tom Lane (tgl)

Links

Emails

Another regexp performance improvement: skip useless paren-captures: First at 2021-08-04 22:15:34 by Tom Lane <tgl at sss.pgh.pa.us>
Latest at 2021-08-24 18:29:01 by Tom Lane <tgl at sss.pgh.pa.us>
Latest attachment (alternate-fix-zero-quantified-nested-parens.patch) at 2021-08-10 02:20:33 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (alternate-fix-zero-quantified-nested-parens.patch) at 2021-08-10 02:20:33 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (fix-zero-quantified-nested-parens.patch) at 2021-08-09 23:31:41 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (let-regexp_replace-use-NOSUB.patch) at 2021-08-09 19:14:45 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (optimize-useless-captures-3.patch) at 2021-08-08 20:25:00 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (optimize-useless-captures-2.patch) at 2021-08-08 17:04:38 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (optimize-useless-captures-1.patch) at 2021-08-04 22:15:34 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)

History

When	Who	What
2021-09-01 17:05:53	Tom Lane (tgl)	Changed reviewers to Mark Dilger (hornschnorter)
2021-09-01 17:05:27	Tom Lane (tgl)	Closed in commitfest 2021-09 with status: Committed
2021-09-01 17:05:27	Tom Lane (tgl)	Changed committer to tgl
2021-08-04 22:18:51	Tom Lane (tgl)	Changed authors to Tom Lane (tgl)
2021-08-04 22:18:31	Tom Lane (tgl)	Attached mail thread 2219936.1628115334@sss.pgh.pa.us
2021-08-04 22:18:31	Tom Lane (tgl)	Created patch record