[Tom Lane - Tue at 12:42:52PM -0400] > > belonging to autovacuum ... how come? > > Blocked on someone else's lock, maybe?
hardly, the autovacuum is the only one having such a low transaction id,
and also the only one hanging around when waiting a bit and rechecking
the pg_locks table.
---------------------------(end of broadcast)---------------------------
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
