Fix citext split_part() to handle field positions like core

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ID 7453
Title Fix citext split_part() to handle field positions like core
CI (CFBot) Summary
Stats (from CFBot) Patch count: 1, First patch: +111−1, All patches: +111−1
Tags Bugfix
Created 2026-10-14 03:43:07
Last modified 2026-10-14 03:43:07 (1 hour ago)
Latest email 2026-09-23 19:40:09 (2 weeks ago)
Status
PG20-3 (2026-11-01 – 2026-11-30): Needs review
Target version
Authors Manuel Reyes Bravo (manu15)
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Committer
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Emails
BUG #19602: Vuln46: citext split_part silently returns NULL for a zero field position instead of raising core sp
First at 2026-08-03 06:58:12 by PG Bug reporting form <noreply at postgresql.org>
Latest at 2026-09-23 19:40:09 by Manu <manuelreyesbravo at gmail.com>
Latest attachment (0001-Make-citext-s-split_part-handle-field-positions-like.patch) at 2026-09-23 19:40:09 from Manu <manuelreyesbravo at gmail.com>
    Attachment (0001-Make-citext-s-split_part-handle-field-positions-like.patch) at 2026-09-23 19:40:09 from Manu <manuelreyesbravo at gmail.com> (Patch: No)
History
When Who What
2026-10-14 03:43:07 Manuel Reyes Bravo (manu15) Attached mail thread 19602-5ec4b4e30fa6f5f2@postgresql.org
2026-10-14 03:43:07 Manuel Reyes Bravo (manu15) Created patch record
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