Multivalued attributes

[Arran Cudbard-Bell]

On 29 Jul 2014, at 03:15, Phil Mayers <p.mayers at IMPERIAL.AC.UK> wrote:

> On 28/07/2014 17:41, Arran Cudbard-Bell wrote:
> 
>> My inclination is to make '==' work as it used to in the users file and iterate
>> over all instances of an attribute.
> 
> "and" or "or" semantics?

or

>> 
>> Then use attribute selectors [<inst>] :<tag> to limit the attribute used in the
>> condition.
>> 
>> if (&foo == &bar) {
>> 
>> }
>> 
>> Would apply the operator to the cartesian product of &foo x &bar.
> 
> I can't say that particular syntax appeals to me.
> 
> Postgres uses "any / all" for this, e.g.
> 
> expr op [any|all] array-expr
> 
> ...though I guess for consistency FR should be:
> 
> expr op [first|any|all] multi-attr
> 
> ...with "first" being the current behaviour?

Sure... Though We already use [*] for string expansions, Alan suggested using the same 
here to refer to multiple instances. Do you think that'd work ok?

Arran Cudbard-Bell <a.cudbardb at freeradius.org>
FreeRADIUS development team

FD31 3077 42EC 7FCD 32FE 5EE2 56CF 27F9 30A8 CAA2

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