So is it ok, right?

Lvc@


On 19 February 2014 23:30, Andrey Yesyev <[email protected]> wrote:

> Oh, yes I did. Forgot to mention,
> In this case the result is very unexpected
>
>  @rid @version @class name in_HAS out_HAS 
> #12:0<http://localhost:2480/studio/index.html#/database/ePersona/browse/edit/12:0>7Casedemo[1][5]
> #13:1<http://localhost:2480/studio/index.html#/database/ePersona/browse/edit/13:1>2Collectionmysql_import_cc.pcap[1]
> #13:2<http://localhost:2480/studio/index.html#/database/ePersona/browse/edit/13:2>2Collectionmysql_import_emails.pcap[1]
> #13:3<http://localhost:2480/studio/index.html#/database/ePersona/browse/edit/13:3>2Collectiontelnet_cat_emial_list.pcap[1]
> #13:4<http://localhost:2480/studio/index.html#/database/ePersona/browse/edit/13:4>2Collectiondemo_stream[1]
> So, I see everything BUT gmail_with_attachments.pcap vertex.
>
>
>
>
> On 19 February 2014 16:47, Luca Garulli <[email protected]> wrote:
>
>> Have you tried:
>>
>> select from ( traverse out_HAS from #12:0 while $depth < 2 and 
>> name<http://current.name/> <>
>> 'gmail_with_attachments.pcap')
>>
>> Lvc@
>>
>>
>>
>>  On 19 February 2014 19:12, Andrey Yesyev <[email protected]>wrote:
>>
>>>  Hi there,
>>>
>>> I was playing with traverse and couldn't figure out the logic of WHILE.
>>> This is what I found in docs:
>>>
>>> *while <https://github.com/orientechnologies/orientdb/wiki/SQL-Where>* 
>>> condition
>>> to continue the traversing while it's true. Usually it's used to limit the
>>> traversing depth by using $depth < <x> where x is the maximum level of
>>> depth you want to reach. *$depth* is the first context variable that
>>> reports the depth level during traversal.
>>> Pretty straight forward, but then I tried to query DB
>>>
>>> select from ( traverse out_HAS from #12:0 while $depth < 2)
>>>
>>> Got the result
>>>
>>>
>>>  @rid @version @class name in_HAS out_HAS 
>>> #12:0<http://localhost:2480/studio/index.html#/database/ePersona/browse/edit/12:0>7Casedemo[1][5]
>>> #13:0<http://localhost:2480/studio/index.html#/database/ePersona/browse/edit/13:0>2Collectiongmail_with_attachments.pcap[1]
>>> #13:1<http://localhost:2480/studio/index.html#/database/ePersona/browse/edit/13:1>2Collectionmysql_import_cc.pcap[1]
>>> #13:2<http://localhost:2480/studio/index.html#/database/ePersona/browse/edit/13:2>2Collectionmysql_import_emails.pcap[1]
>>> #13:3<http://localhost:2480/studio/index.html#/database/ePersona/browse/edit/13:3>2Collectiontelnet_cat_emial_list.pcap[1]
>>> #13:4<http://localhost:2480/studio/index.html#/database/ePersona/browse/edit/13:4>2Collectiondemo_stream[1]
>>> Which is perfectly correct.
>>> Now I want to stop traversing, as soon as I reach vertex with the 
>>> name=gmail_with_attachments.pcap.
>>> I assume it should look like this
>>>
>>> select from ( traverse out_HAS from #12:0 while $depth < 2 and $
>>> current.name <> 'gmail_with_attachments.pcap')
>>>
>>> But no, it doesn't work. I'm getting
>>>
>>> No records found.
>>>
>>> What's the problem?
>>>
>>> -Andrey
>>>
>>>
>>>
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