John R Pierce <pierce@hogranch.com> writes:
> On 1/16/2017 11:27 AM, Patrick B wrote:
>> CREATE INDEX CONCURRENTLY ON note (timezone('Etc/UTC'::text, d_date));
> why did you prefix your index with timezone('etc/UTC'::text ??? that
> doesn't make sense to me at all. is timezone() some function you've
> defined? I'm not aware of any built in function by that name.
That's the internal spelling of "d_date AT TIME ZONE 'Etc/UTC'".
It's still a pretty good question why index that and not just d_date.
regards, tom lane