> The key to understanding the problem is to realize that system > catalogs are pretty much regular tables in PostgreSQL, with some > additional special rules (no triggers, can't be CLUSTERed or ALTERed, > &c). Anything you'd do in a regular table that would create a dead > tuple ? UPDATEs, DELETEs, &c ? will have the same effect on a catalog. Thanks for the detailed explanation on this topic. -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin