Scott Marlowe <smarlowe@g2switchworks.com> writes:
> Reindex was originally
> designed to fix broken indexes, and, at least in earlier encarnations,
> should something stop it in the middle of reindexing I believe it is
> possible to be left with no index.
That was once true but these days reindex is perfectly crash-safe. The
only case where it's not is where you want to reindex a shared catalog's
index (eg one of pg_database's), and we don't let you do that in
multiuser mode anyway.
regards, tom lane