From: "Bruce Momjian" <pgman@candle.pha.pa.us>
> It might also be interesting to create a function that can return the free
space map
> size for a relation. That would allow you to know when there is little
> free space available for a table getting a lot of inserts.
I had thought about extending the stats system to report the FSM info
related to a particular table. It might be better as a function, not sure.