pgsql: Fix typo in comment of syncrep.c

Fix typo in comment of syncrep.c Author: Kyotaro Horiguchi Discussion: https://postgr.es/m/20191030.123428.18823202335157111.horikyota@gmail.com Branch -- master Details --- https://git.postgresql.org/pg/commitdiff/f921ea624eb8695c6ccaaf3410b9f9d9926d71c7 Modified Files

pgsql: relnotes: PG 12, mention change in libpq parameter parsing

relnotes: PG 12, mention change in libpq parameter parsing Reported-by: emor...@heroku.com Diagnosed-by: Michael Paquier Discussion: https://postgr.es/m/157123155668.25311.9369950798665566...@wrigleys.postgresql.org Author: Michael Paquier Reviewed-by: me Backpatch-through: 12 only Branch

pgsql: Remove one use of IDENT_USERNAME_MAX

Remove one use of IDENT_USERNAME_MAX IDENT_USERNAME_MAX is the maximum length of the information returned by an ident server, per RFC 1413. Using it as the buffer size in peer authentication is inappropriate. It was done here because of the historical relationship between peer and ident

pgsql: Update code comments about peer authenticaton

Update code comments about peer authenticaton For historical reasons, the functions for peer authentication were grouped under ident authentication. But they are really completely separate, so give them their own section headings. Branch -- master Details ---