Alex is right. Just replace personID and postID with actual values. In your example:
create edge hasAppIn from ( select from person where id = 1 ) to ( select from post where id = 1 ) -- --- 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.
