Re: [HACKERS] GSoC 2017: Foreign Key Arrays

Mark Rofail wrote:

> > In particular: it seemed to me that you decided to throw away the idea
> > of the new GIN operator without sufficient evidence that it was
> > unnecessary.
> 
> I have to admit to that. But in my defence @> is also GIN indexable so the
> only difference in performance between 'anyarray @>> anyelement' and
> 'anyarray @> ARRAY [anyelement]' is the delay caused by the ARRAY[]
> operation theoretically.

I think I need to review Tom's bounce-for-rework email
https://postgr.es/m/28389.1351094795@sss.pgh.pa.us
to respond to this intelligently.  Tom mentioned @> there but there was
a comment about the comparison semantics used by that operator, so I'm
unclear on whether or not that issue has been fixed.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services