Apologies, I had an old safari tab open on the submission of the original bug (15471). It appears it's resubmitted the
form.
Matt
> On 1 Nov 2018, at 10:26 pm, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> =?utf-8?q?PG_Bug_reporting_form?= <noreply@postgresql.org> writes:
>> Below is an example .sql file that replicates the problem. Put simply, when
>> we array concat with enum_range in the result of a CASE statement the
>> concatenation takes the expression from the CASE statement, not the enum
>> range.
>
> Isn't this a duplicate of bug #15471 ?
>
> regards, tom lane