Re: Test cases for BINARY columns

Hi Richard
On Mar 6, 2012, at 2:44 AM, Richard Cyganiak wrote:

> On 5 Mar 2012, at 23:29, Boris Villazon-Terrazas wrote:
>>> Note: Juan requested weird corner cases, so here's one that's actually kind of cool. Let's use a VARBINARY column in a URI template to create data URIs [1]:
>>> 
>>> rr:template "data:image/png;base64,{\"Photo\"}";
>>> 
>>> This should produce something like this:
>>> 
>>> data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==
>>> 
>>> If everything works, you can actually open that URI in your browser (it produces a small round red dot).
>> 
>> If I understood you correctly, we should have sth like [1], so for the predicateObjectMap we would have
>> 
>> rr:predicateObjectMap
>>    [ 
>>      rr:predicate ex:photo;
>>      rr:objectMap [ rr:template "data:image/png;base64,{\"Photo\"}"; ];
>>    ];
>> 
>>    .
>> 
>> so, the resultant object would be an IRI ?
>> <data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==>
> 
> Yes.
> 
>> If this is the case, I'm not sure if we can parse that as URI 
> 
> I don't understand what you mean by that. Who is “we” and why can't we parse it as an IRI?
> 

Yes, please let me clarify.
In order to generate the html doc [1], I'm using NxParser [2] for parsing the output files (nq files), and currently it has some problems parsing that URIs. I'll look for a work around. It seems to be there is a new version of the parser [3].

Boris

[1] http://www.w3.org/2001/sw/rdb2rdf/wiki/TestCases
[2] http://sw.deri.org/2006/08/nxparser/
[3] http://code.google.com/p/nxparser/



> Richard
> 
> 
> 
> 
> 
>> 
>> Best
>> 
>> Boris
>> 
>> [1] http://www.w3.org/2001/sw/rdb2rdf/test-cases/#R2RMLTC0016e 
>> 
>> 
>>> 
>>> Best,
>>> Richard
>>> 
>>> [1] http://en.wikipedia.org/wiki/Data_URI_scheme
>> 
> 
>