Re: [PATCH] Support for Array ELEMENT Foreign Keys

Andrew Dunstan <andrew@dunslane.net> writes:
> On 10/19/2012 03:55 PM, Tom Lane wrote:
>> That doesn't get us any closer to having a working column-constraint
>> syntax unfortunately, because EACH is not a reserved word either
>> so "EACH ELEMENT REFERENCES" still isn't gonna work.  I'm getting
>> more willing to give up on having a column-constraint form of this.

> "ALL" is a fully reserved keyword. Could we do something like "ALL 
> ELEMENTS"?

[ experiments... ]  bison is happy with "ALL ELEMENTS REFERENCES ..."
as a column constraint, but from the standpoint of English grammar
it's kinda sucky.  "ANY ELEMENT REFERENCES ..." would be fine but
that's not the case we're implementing now.
        regards, tom lane