Well I think it's way better to create a Java example. Then you understand
what is happening in the background. Otherwhise in my tests the ETL way had
the same speed, but these tests are 3-4 month old. I will redo them soon.
Did you take the example of ETL from OrientDB? Otherwhise look above for
some examples. Or even post yours here?
Am Montag, 20. Oktober 2014 12:36:57 UTC+2 schrieb Bojan Vukotić:
>
>
> I prefer do it with ETL, if it is possible, I would like to avoid
> programming. If not, Java is also a good solution.
>
> So, example how to do it in ETL? And regarding ETL, I was playing with it,
> it imports vertices nicely, but when I want to import edges (100 000 of
> them) it is extremely slow :( How to improve this?
>
>
>
> On Monday, 20 October 2014 12:16:08 UTC+2, Curtis Mosters wrote:
>>
>> Well you have several ways. Do you want to do it with JAVA oder the ETL
>> plugin?
>>
>> In any case I think it should be
>>
>> Vertices: Author, Book
>> Edge: WROTE
>>
>> WDYT?
>>
>> Am Montag, 20. Oktober 2014 10:51:03 UTC+2 schrieb Bojan Vukotić:
>>>
>>> Hi guys!
>>>
>>> The whole discussion here is how to create edges from one table to
>>> another, but what to do if we have more complex cases where we have
>>> connected 2 (or even more) tables? Example, n:n relation: book and authors,
>>> book can have one or more authors and author can work on one or more books.
>>>
>>> Tables:
>>>
>>> Book {
>>> book_id
>>> book_name,
>>> ....
>>> }
>>>
>>> Author {
>>> author_id,
>>> author_name,
>>> ......
>>> }
>>>
>>>
>>> Author_on_Book {
>>> ab_id,
>>> book_id,
>>> author_id,
>>> description // describes what this author did on this book
>>> }
>>>
>>> How to migrate this case? Should "Author_on_Book" be migrated as a
>>> vertex or edge? How to write scripts in this case? (in real life we could
>>> have even more foreign keys in "Author_on_Book" table )
>>>
>>>
>>>
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