Re: [PATCH] Support for Array ELEMENT Foreign Keys

Tom Lane <tgl@sss.pgh.pa.us>

From: Tom Lane <tgl@sss.pgh.pa.us>
To: Andres Freund <andres@2ndquadrant.com>
Cc: pgsql-hackers@postgresql.org, Andrew Dunstan <andrew@dunslane.net>, Marco Nenciarini <marco.nenciarini@2ndquadrant.it>
Date: 2012-10-22T16:08:32Z
Lists: pgsql-hackers
I wrote:
> I tested, and indeed this seems to work:
> 	CREATE TABLE t1 (c int[] WHERE EACH ELEMENT REFERENCES t2);
> and it's perfectly sensible from an English-grammar standpoint too.
> If we take that, how would we spell the table-constraint case exactly?
> Grammatically I'd prefer
> 	FOREIGN KEY (foo, EACH ELEMENT OF bar) REFERENCES

Are people happy with these syntax proposals, or do we need some other
color for the bikeshed?

			regards, tom lane