Link walking example on basho blog....
seancribbs at gmail.com
Sat Feb 27 07:38:06 EST 2010
Yes, the _ means "match anything" or "don't care". The three pieces of
the spec are:
* bucket (only match things in this bucket)
* keep (whether to return results from this spec)
If I recall correctly, the final link-walking phase always returns results.
On 2/27/10 12:55 AM, Preston Marshall wrote:
> The underscore means match all I think, or ignore. Each one of the
> underscores is kind of an argument to the mapreduce/linking phase.
> For example "http://localhost:8098/raw/hb/first/_,foo,_" means follow
> all links that are tagged "foo" in the "first" object in the hb
> bucket. Some of the others are a little more complex, like a bucket
> within a bucket etc. Maybe someone who knows more about it can chime
> in ;)
> On Feb 26, 2010, at 11:48 PM, Dan Young wrote:
>> I'm trying to wrap my head around the url syntax for the underscores
>> in the various link walking examples, both on the basho blog and in
>> the various docs....Can someone clarify for me the meaning of the
>> series of underscores and commas? ( _ , _) On the basho blog, Link
>> Walking By Example article, why are there sometimes a series of three
>> (i.e. $ curl http://localhost:8098/raw/hb/first/_,_,_ ) and later in
>> the article there's a set of three (i.e. $ curl
>> http://localhost:8098/raw/hb/first/_,_,_/_,_,_ ) This may be obvious
>> but I don't get it right now...I have gotten the link walking working
>> in my own test application, mostly from the examples, but I really
>> don't understand the _,_...is it an Erlang thing?
>> Any insight would be greatly appreciated.
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