Alvaro Herrera <alvhe...@commandprompt.com> writes:
> Excerpts from Tom Lane's message of mié sep 22 13:03:06 -0400 2010:
>> Wouldn't an empty string be acceptable? SQL doesn't allow zero-length
>> identifiers, so this couldn't be confused with any really-valid value.
> I dunno really -- what is this value used for, anyway? If it's just to be
> able to generate the SHOW table which is then parsed to obtain the
> fulltext configuration, seems OK.
Well, the more general point is what should "SHOW session_authorization"
show in an autovacuum process? The fact that Andrew wasn't
intentionally doing that doesn't mean that someone else might not try
it. I think we can either decide it should be an obviously-illegal
value, or try to make it return the name of the cluster-creating
superuser. The latter seems like more work than it's worth though.
regards, tom lane
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