Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> I have been thinking about it and I think one file in data/global/
> similar to pg_pwd will work.
Yeah, if you model it on the pg_shadow trigger then at least it's no worse
than it is now ;-). Note the checks that exist in the pg_shadow trigger
to require usernames not to contain any characters that would break the
file formatting; this will have to be done for groupnames now too.
Also note that (if you plan to write user names and not just user IDs)
an update of pg_shadow will need to force rewrite of the group file not
only the shadow file.
Thinking about that, I wonder why not stick to just one file: extend the
content of pg_pwd to include group membership info, and rewrite it when
either pg_shadow or pg_group changes.
regards, tom lane
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