Fix a bug where ALTER SYSTEM SET with empty strings for GUC_LIST_QUOTE parameters (like shared_preload_libraries) results in malformed configuration entries that cause server crashes on restart.

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ID 6026
Title Fix a bug where ALTER SYSTEM SET with empty strings for GUC_LIST_QUOTE parameters (like shared_preload_libraries) results in malformed configuration entries that cause server crashes on restart.
CI (CFBot) Summary
Stats (from CFBot) Patch version: v5, Patch count: 1, First patch: +104−12, All patches: +104−12
Topic Bug Fixes
Tags Bugfix
Created 2025-09-02 06:07:47
Last modified 2025-09-05 10:37:44 (1 month ago)
Latest email 2025-09-08 08:08:34 (1 month ago)
Status
PG19-3 (2025-11-01 – 2025-11-30): Needs review
Target version stable
Authors Andrew Klychkov (andreiklychkov)
Reviewers Become reviewer
Committer
Links
Emails
[PATCH] Fix ALTER SYSTEM empty string bug for GUC_LIST_QUOTE parameters
First at 2025-08-28 09:29:03 by Andrei Klychkov <andrew.a.klychkov at gmail.com>
Latest at 2025-09-08 08:08:34 by Andrei Klychkov <andrew.a.klychkov at gmail.com>
Latest attachment (v5-allow-SET-to-an-empty-list.patch) at 2025-09-05 21:06:17 from Tom Lane <tgl at sss.pgh.pa.us>
    Attachment (v5-allow-SET-to-an-empty-list.patch) at 2025-09-05 21:06:17 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (v4-allow-SET-to-an-empty-list.patch) at 2025-09-05 09:08:15 from Andrei Klychkov <andrew.a.klychkov at gmail.com> (Patch: Yes)
    Attachment (v3-allow-SET-to-an-empty-list.patch) at 2025-09-04 21:52:49 from Tom Lane <tgl at sss.pgh.pa.us> (Patch: Yes)
    Attachment (v2_README_fix.md) at 2025-09-03 09:59:26 from Andrei Klychkov <andrew.a.klychkov at gmail.com> (Patch: No)
    Attachment (README_fix.md) at 2025-08-28 09:29:03 from Andrei Klychkov <andrew.a.klychkov at gmail.com> (Patch: No)
History
When Who What
2025-09-05 10:37:44 Jim Jones (jimus) New status: Needs review
2025-09-03 07:19:04 Jim Jones (jimus) New status: Waiting on Author
2025-09-02 06:07:47 Andrew Klychkov (andreiklychkov) Attached mail thread CA+mfrmwsBmYsJayWjc8bJmicxc3phZcHHY=yW5aYe=P-1d_4bg@mail.gmail.com
2025-09-02 06:07:47 Andrew Klychkov (andreiklychkov) Created patch record
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