Alvaro Herrera <alvhe...@alvh.no-ip.org> writes:
> A customer of ours (Enova Financial) requested the ability to describe
> objects in pg_depend. The wiki contains a simplistic SQL snippet that
> does the task, but only for some of the object types, and it's rather
> ugly. It struck me that we could fulfill this very easily by exposing
> the getObjectDescription() function at the SQL level, as in the attached
> module.
What's the point of the InvalidOid check? It seems like you're mostly
just introducing a corner case: sometimes, but not always, the function
will return NULL instead of failing for bad input. I think it should
just fail always.
regards, tom lane
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