Hi all,
was looking at pgunlink, the win32 unlink replacement for postgres, and was
wondering if it is instead possible (not necessarily make sense to, but
possible):
- to simply try the unlink call once, and
- if unsuccessful with EACCES, mark the file to be deleted some
later time (ie. next postmaster restart, on system reboot with MoveFileEx,
...)
Clearly, this would become burdensome if the file is ever likely to be
reused again.
So, my question boils down to, effectively, do unlinked files ever get
rebirthed (eg. if postgres unlinks the file $PGDATA\base\17138, for
instance, can I ever expect to see this file appear again at a later date?)
in routine use, or does postgres use ever-increasing file numbers. Perhaps
after a restore?
Cheers,
Claudio
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