Hi,
i have tried to create a Link between two classes:
CREATE CLASS POST
CREATE CLASS COMMENT
INSERT INTO POST (id, title) VALUES( 10, 'NoSQL movement' )
INSERT INTO POST (id, title) VALUES( 20, 'New OrientDB' )
INSERT INTO COMMENT (id, postId, text) VALUES( 0, 10, 'First' )
INSERT INTO COMMENT (id, postId, text) VALUES( 1, 10, 'Second' )
INSERT INTO COMMENT (id, postId, text) VALUES( 21, 10, 'Another' )
INSERT INTO COMMENT (id, postId, text) VALUES( 41, 20, 'First again' )
INSERT INTO COMMENT (id, postId, text) VALUES( 82, 20, 'Second Again' )
CREATE LINK comments TYPE linkset FROM comment.postId To post.id INVERSE
(example from the wiki)
I tried to insert this hand-by-hand in the "console.bat". Sadly the part
with the "create link ..." failed.
orientdb {documentStorage}> create link comments type linkset from
comment.postId to post.id inverse
[
Error:
com.orientechnologies.orient.core.exception.OCommandExecutionException:
Error on execution of command: sql.create link comments type linkset from
comment.postId to post.id inverse
Error: java.util.UnknownFormatConversionException: Conversion = '%'
There was a second example with a "*.sql" file which was passed to the
"console.bat" via start parameter. The weird thing was that this worked
fine :P.
Is there maybe a third solution how i can create a link via java-api? And
what happens for example when i delete a comment which was linked to a post
entry? Will this link be removed when the comment is removed?
regards
Nhat
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