Update new pg_upgrade comment about pre-8.4 TOAST tables.

This commit is contained in:
Bruce Momjian 2011-03-05 22:09:35 -05:00
parent 9e5bed2df1
commit 8f87dcd863

View File

@ -54,7 +54,11 @@ gen_db_file_maps(DbInfo *old_db, DbInfo *new_db,
pg_log(PG_FATAL, "Mismatch of relation id: database \"%s\", old relid %d, new relid %d\n",
old_db->db_name, old_rel->reloid, new_rel->reloid);
/* toast names were not renamed to match their relfilenodes in pre-8.4 */
/*
* In pre-8.4, TOAST table names change during CLUSTER; in >= 8.4
* TOAST relation names always use the heap tables oid, hence we
* cannot check relation names when upgrading from pre-8.4.
*/
if (GET_MAJOR_VERSION(old_cluster.major_version) >= 804 &&
(strcmp(old_rel->nspname, new_rel->nspname) != 0 ||
strcmp(old_rel->relname, new_rel->relname) != 0))