Re: [PATCH] Support for Array ELEMENT Foreign Keys
Andrew Dunstan <andrew@dunslane.net>
From: Andrew Dunstan <andrew@dunslane.net>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Andres Freund <andres@2ndquadrant.com>, pgsql-hackers@postgresql.org, Marco Nenciarini <marco.nenciarini@2ndquadrant.it>
Date: 2012-10-22T16:12:48Z
Lists: pgsql-hackers
On 10/22/2012 12:08 PM, Tom Lane wrote: > 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? I can live with it, although the different spelling is slightly jarring. cheers andrew