In the previous commit message, I forgot to credit Simon Riggs who provided

the patch, which I modified only slightly before applying.

diff --git a/src/backend/postmaster/autovacuum.c b/src/backend/postmaster/autovacuum.c
index 45428011d20895ea266d9f6d8e9335974a5c8dd8..e2bc919e8fbfb62eb998f2bd41bfb33446deb2c5 100644 (file)
--- a/src/backend/postmaster/autovacuum.c
+++ b/src/backend/postmaster/autovacuum.c
@@ -2100,7 +2100,8 @@ next_worker:
                /*
                 * Save the relation name for a possible error message, to avoid a
                 * catalog lookup in case of an error.  Note: they must live in a
-                * long-lived memory context.
+                * long-lived memory context because we call vacuum and analyze in
+                * different transactions.
                 */
                datname = get_database_name(MyDatabaseId);
                nspname = get_namespace_name(get_rel_namespace(tab->at_relid));