Re: pg_partition_tree crashes for a non-defined relation

On 2019-Feb-28, Alvaro Herrera wrote:

> What about legacy inheritance?  I see that pg_partition_tree handles
> that case perfectly well -- it seems to return the complete hierarchy
> rooted at the given relation.  However, it seems odd that it works at
> all, don't you think?  Consider this:
> [...]
> I would opt for returning the empty set for legacy inheritance too.

I added tests to immortalize the current behavior for legacy inheritance
relations too.  Thanks!

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
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