Re: nested xacts: update password file

Alvaro Herrera wrote:
> On Mon, Jul 12, 2004 at 02:31:37PM -0400, Bruce Momjian wrote:
>
> > OK, but why would we document the contents of a file that are not to be
> > modified by the user?
>
> But how is the file used?  Where do I put the file, what do I put in
> pg_hba.conf to use the file?  Can I have several files, one per
> pg_hba.conf entry?  Can I use multiple files with a single pg_hba.conf
> entry?  What happens if I have a username that has the separator in it?

We no longer have the capability for external password files, which is
what the 7.2 docs were talking about.  We removed it when we went to
encrypted MD5 password and pg_hba.conf entries where you can reference
external lists of users and groups.

The file you were touching is a cache of usernames written by backends
modifing the pg_shadow table and read by the postmaster.

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