Thanks Kyle for your relevant answer.

On Wednesday, April 15, 2015 at 10:03:44 PM UTC+2, Kyle wrote:
>
> I'm not entirely certain what your expected input/output is.
>
> Notice in the tutorial the "expand" function was used.
> http://orientdb.com/docs/last/SQL-Functions.html#expand
>
> so 
> select expand(in()) from Restaurant where name = 'Dante'
> instead of 
> select in() from Restaurant where name = 'Dante'
>
> orientdb> select in() from Restaurant where name = 'Dante'
>
> +-------+----------------+
> | @RID  | in             |
> +-------+----------------+
> | #-2:1 | [#11:0, #11:1] |
> +-------+----------------+
>
> the [2] in your screenshots is a shorted version of the [#11:0, #11:1] 
> above.
>
> so try:
>
> orientdb> select expand( in() ) from Restaurant where name = 'Dante'
>
> +-------+-------------+-------------+---------+
> | @RID  | @CLASS      | Name        | out_Eat |
> +-------+-------------+-------------+---------+
> | #11:0 | Person      | Luca        | #12:0   |
> | #11:1 | Person      | Bill        | #12:0   |
> +-------+-------------+-------------+---------+
>
>
> hope that is helpful! 
>
> On Wednesday, April 15, 2015 at 3:12:19 AM UTC-7, KY wrote:
>>
>> Hi,
>>
>> Here all the details.
>> - installed orientdb-2.0.6 on my windows 7-64bit
>> - followed the tutorial: 
>> http://orientdb.com/docs/last/Tutorial-Using-schema-with-graphs.html 
>>  and created a new db: create database 
>> plocal:../databases/WorkingWithGraphs admin admin plocal
>> - connected to the new db: connect plocal:../databases/WorkingWithGraphs 
>> admin admin
>>
>> - created Person, Restaurant and Eat classes:
>> create class Person extends V
>> create class Restaurant extends V
>> create class Eat extends E
>>
>> - populated the db as described (create vertex, create edge)
>>   
>> - executed two queries:
>> select from Restaurant => select-restaurant-in_Eat screenshot
>> select in() from Restaurant where name = 'Dante' => select-in-restaurant 
>> screenshot
>>
>> Thanks!
>>
>> On Wednesday, April 15, 2015 at 10:30:17 AM UTC+2, [email protected] 
>> wrote:
>>>
>>> Hi,
>>>
>>> I've created the schema with Restaurant/Person/Eat and populated the 
>>> base as described in the tutorial with release 2.0.6.
>>>
>>> I don't see any columns in Restaurant or Person called in_Eat or out_Eat.
>>>
>>> *select in() from Restaurant where name = 'Dante'* returns a list of 
>>> Person as expected.
>>>
>>> Where do you see @class = null and what is this in/out = 0/1 ?
>>>
>>> Regards.
>>>
>>

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