Running clustering queries

[Greg Troxel]

"Regina Obe" <lr at pcorp.us> writes:

> Paul and Sandro,
>
> Any thoughts on this.  I know we went back and forth with "Why don't
> we just populate spatial_ref_sys using postgis_srs_all or some other
> such thing or why don't we just change spatial_ref_sys to a view that
> relegates to reading these from proj.db make spatial_ref_sys a view or
> why don't we make it a reduced set.
> Not sure where we landed on that discussion.
>
> Before the issue was because we supported such old proj versions, but now our minimum for 3.5 is 6.1 so all the options we had are now doable with our minimum proj version.

I think part of this comes down to

  Are we just deferring to EPSG, or are we becoming an authority for
  including and/or defining SRSes?

I thought it was "postgis uses database in proj and is not an
authority", but am I off?