From: Nathan Bossart Date: Wed, 9 Apr 2025 19:27:08 +0000 (-0500) Subject: pg_upgrade: Mention that we preserve database OIDs in a comment. X-Git-Tag: REL_18_BETA1~185 X-Git-Url: http://git.postgresql.org/gitweb/?a=commitdiff_plain;h=e2665efd0f4d2ae90d3245f9425d379d75c66645;p=postgresql.git pg_upgrade: Mention that we preserve database OIDs in a comment. Oversight in commit aa01051418. Reported-by: Tom Lane Discussion: https://postgr.es/m/4055696.1744134682%40sss.pgh.pa.us --- diff --git a/src/bin/pg_upgrade/pg_upgrade.c b/src/bin/pg_upgrade/pg_upgrade.c index 72b5a5fde5a..d9db48dba0d 100644 --- a/src/bin/pg_upgrade/pg_upgrade.c +++ b/src/bin/pg_upgrade/pg_upgrade.c @@ -32,6 +32,9 @@ * We control all assignments of pg_authid.oid for historical reasons (the * oids used to be stored in pg_largeobject_metadata, which is now copied via * SQL commands), that might change at some point in the future. + * + * We control all assignments of pg_database.oid because we want the directory + * names to match between the old and new cluster. */