Re: TMQL - Proposal: Removal of reifier axis

Hi Lars,

oops...

On 30 Apr 2011, at 11:39 AM, Andrew S. Townley wrote:

> Hi Lars,
> 
> On 30 Apr 2011, at 9:08 AM, Lars Heuer wrote:
> 
>> Example:
>> 
>>  TMQL 2008
>> 
>>  //tmdm:association >> reifier >> characteristics tmdm:topic-name
>> 
>> vs.
>> 
>>  //tmdm:association >> characteristics tmdm:topic-name
>> 
>> or (if you don't like the >> syntax):
>> 
>>  //tmdm:association/*[. isa tmdm:topic-name]
> 
> 
> Minor syntax clarification here.  I didn't think the splat was a valid part of the 2008 draft.  To use the path expression in the latter case, I would've done this:
> 
> 	//tmdm:association [ . isa tmdm:topic-name ]
> 
> Since this parses (in my understanding) as
> 
> Step 1:
> 	//tmdm:association 	matches		Rule [W] filter-postfix	// anchor
> 
> Step 2:
> 	[ . isa tmdm:topic-name ]	matches		Rule [56] filter-postfix [ boolean-primitive ]
> 
> Mostly, I just want to understand that I understand the syntax correctly, as my parser would've choked on your path expression example. ;)


Too much of a hurry.  My example does something different and is actually pretty useless.

I actually don't see how you'd select all characteristics via a path expression, but I'm re-reading the spec...

ast
--
Andrew S. Townley <[email protected]>
http://atownley.org