Kevin Brown <kevin(at)sysexperts(dot)com> writes:
> In the above for large relations, the bulk of the REINDEX should
> happen without any locks being held by the REINDEX operation.
As I just pointed out to Greg, the arm-waving notion that you can "turn
off the FSM" requires a great deal of low-level locking that is not
there now. Even ignoring that, you *still* have a lock upgrade problem
in this sketch.
regards, tom lane