Re: OK, OK, Hiroshi's right: use a seperately-generated filename

Bruce Momjian <pgman@candle.pha.pa.us>

From: Bruce Momjian <pgman@candle.pha.pa.us>
To: Chris Bitmead <chrisb@nimrod.itg.telstra.com.au>
Cc: Chris Bitmead <chris@bitmead.com>, Tom Lane <tgl@sss.pgh.pa.us>, pgsql-hackers@postgreSQL.org
Date: 2000-06-19T01:03:08Z
Lists: pgsql-hackers
> > Yes, we can hard-link, and let vacuum remove the old link.
> 
> BTW, how does vacuum know which files are obsolete. Does it just delete
> files it doesn't know about?
> 
> What a good application for time travel!
> 

I assume it removes files with oid's that match pg_class but who's file
names do not match.

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