> I haven't figured out extent locations yet. One idea is to allow
> administrators to create symlinks for tables >1 gig, and to not remove
> the symlinks when a table shrinks. Only remove the file pointed to by
> the table, but leave the symlink there so if the table grows again, it
> can use the symlink. lstat() would allow this.
OK, I have an extent idea. It is:
CREATE LOCATION tabloc IN '/var/private/pgsql' EXTENT2
'/usr/pg'.
This creates an /extents directory in the location, with extents/2
symlinked to /usr/pg:
data/base/mydb/tablocdata/base/mydb/tabloc/extents/2
When extending a table, it looks for an extents/2 directory and uses
that if it exists. Same for extents3. We could even get fancy and
round-robin through all the extents directories, looping around to the
beginning when we run out of them. That sounds nice.
-- Bruce Momjian | http://www.op.net/~candle pgman@candle.pha.pa.us | (610)
853-3000+ If your life is a hard drive, | 830 Blythe Avenue + Christ can be your backup. | Drexel Hill,
Pennsylvania19026