> > This seems an area where providing consistent cross- platform
> behavior
> > might be difficult. Do we actually need this functionality inside the
>
> > DBMS in the first place?
>
> It sounds like we should probably just shelve the idea of sharing this
> code. It is very useful to us, since it allows a single database
> connection to monitor the health of the database and detect impending
> failure. Having our monitoring software need to know the operating
> system of each database, with security to log into the OS of each
> machine, would be far worse from a security standpoint, more fragile,
> and more work than adding these functions to the database. But no
Why don't you have a process on the machine update a set of values in
the database that you then read from remote?
You don't need to know the free diskspace in real time. A 2 minute old
value is probably just as good.
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TIP 9: In versions below 8.0, the planner will ignore your desire to
choose an index scan if your joining column's datatypes do not
match
