What do people think of exposing pg_usleep() to the user? It's
sometimes useful to have a server-side sleep function, and people
do ask about it occasionally (e.g., Don Drake today in pgsql-admin).
It's easy enough to do in PL/Perl, PL/Tcl, etc., but since the
backend already has pg_usleep(), is there any reason not to expose
it? I'd propose both sleep() and usleep() functions.
--
Michael Fuhr
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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
