Re: [PATCH] Support for foreign keys with arrays - Mailing list pgsql-hackers

On Thu, Nov 17, 2011 at 12:08:32AM -0500, Tom Lane wrote:
> The least we could do is invent some non-spec syntax that makes the
> intention clear, rather than having the system assume that an error case
> was intended to mean something else.  Maybe
> 
>     pids INTEGER[] ARRAY REFERENCES pt,

+1.  Perhaps this for the table_constraint syntax:
FOREIGN KEY (ARRAY foo, bar, ARRAY pids) REFERENCES pt