Consider collation when proving uniqueness

Edit
ID 6722
Title Consider collation when proving uniqueness
CI (CFBot) Summary
Stats (from CFBot) Patch version: v2, Patch count: 2, First patch: +211−4, All patches: +537−59
Tags Bugfix
Created 2026-04-29 01:33:59
Last modified 2026-04-29 01:33:59 (4 hours ago)
Latest email 2026-04-25 09:24:39 (3 days ago)
Status
PG20-1 (2026-07-01 – 2026-07-31): Needs review
Target version stable
Authors Richard Guo (richardguo)
Reviewers Become reviewer
Committer
Links
Emails
Wrong results from inner-unique joins caused by collation mismatch
First at 2026-04-24 11:42:28 by Richard Guo <guofenglinux at gmail.com>
Latest at 2026-04-25 09:24:39 by Richard Guo <guofenglinux at gmail.com>
Latest attachment (v2-0001-Consider-collation-when-proving-uniqueness-from-u.patch) at 2026-04-25 09:24:39 from Richard Guo <guofenglinux at gmail.com>
    Attachment (v2-0001-Consider-collation-when-proving-uniqueness-from-u.patch) at 2026-04-25 09:24:39 from Richard Guo <guofenglinux at gmail.com> (Patch: Yes)
    Attachment (v1-0001-Consider-collation-when-proving-uniqueness-from-u.patch) at 2026-04-24 11:42:28 from Richard Guo <guofenglinux at gmail.com> (Patch: Yes)
History
When Who What
2026-04-29 01:33:59 Richard Guo (richardguo) Attached mail thread CAMbWs4_XUUSTyzCaRjUeeahWNqi=8ZOA5Q4coi8zUVEDSBkM6A@mail.gmail.com
2026-04-29 01:33:59 Richard Guo (richardguo) Created patch record
Edit