Thank you Colin.
Regards
среда, 4 марта 2015 г., 21:22:11 UTC+2 пользователь Colin написал:
>
> Hi Sergey.
>
> What you did via the console looks fine.
>
> Try:
>
> select expand(comments) from Post to display a list of the comments.
>
> -Colin
>
> Orient Technologies
>
> The Company behind OrientDB
>
>
> On Wednesday, March 4, 2015 at 2:44:18 AM UTC-6, Sergey Dashko wrote:
>>
>> Hello.
>> Trying to link two classes like this:
>> create class Post
>> create class Comment
>> create property Post.title string
>> create property Comment.title string
>> create property Post.comments LINKSET Comment
>> create property Comment.post Link Post
>> insert into Comment content {title: 'Comment1'}
>>
>> Inserted record 'Comment#17:0{title:Comment1} v1' in 0.005000 sec(s).
>>
>> insert into Post content {title: 'Post1'}
>>
>> Inserted record 'Post#16:0{title:Post1} v1' in 0.002000 sec(s).
>>
>> Now linking:
>> update #17:0 SET post=#16:0
>> update #16:0 ADD comments=#17:0
>>
>> Result:
>> select from Comment
>> ----+-----+-------+--------+-----
>> # |@RID |@CLASS |title |post
>> ----+-----+-------+--------+-----
>> 0 |#17:0|Comment|Comment1|#16:0
>>
>>
>> select from Post
>> ----+-----+------+-----+--------
>> # |@RID |@CLASS|title|comments
>> ----+-----+------+-----+--------
>> 0 |#16:0|Post |Post1|[1]
>>
>> Now questions.
>> 1) If what I'm doing is correct way to build two-way linking for
>> documents?
>> 2) If yes, how can I retrieve list of comments for post?
>>
>>
--
---
You received this message because you are subscribed to the Google Groups
"OrientDB" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
For more options, visit https://groups.google.com/d/optout.
