Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Also, how do we know something is a temp schema? Just the prefix
> > pg_temp_*?
>
> Yeah. Remember that all schemas named pg_XXX are reserved for system
> use. For the moment, testing for pg_temp_XXX is a bulletproof test,
> and we can certainly adapt psql's test if we ever add schemas that might
> conflict.
>
> Looking at the present output of \dn, I wonder whether we should not
> suppress the pg_toast schema as well. That could be done (at the
> moment) by bouncing all schemas 'pg_t*' ...
Yea, probably. I think the "implementation artifact" logic is a good
approach. If someone wants to get into implementation details, they
should query pg_namespace.
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