2011-06-30 11 views
2

誰かが私に説明してくれますか?ここで間違っていますか?私は リンクが動作するように見えることはできません。なぜそれが と言うリンクを作成するとき、それは0リンクを作成しましたか?なぜpostididを削除したいのですか? エラー:文字列インデックスが範囲外です:28?OrientDBリンクの問題を作成する

[[email protected] bin]# java -version 
java version "1.6.0_26" 
Java(TM) SE Runtime Environment (build 1.6.0_26-b03) 
Java HotSpot(TM) 64-Bit Server VM (build 20.1-b02, mixed mode) 

[[email protected] bin]# ./console.sh 
ORIENT database v.1.0rc2 www.orientechnologies.com 
Type 'help' to display all the commands supported. 

> CREATE DATABASE local:../databases/test admin admin local 

Creating database [local:../databases/test] using the storage type 
[local]... 
Database created successfully. 

Current database is: local:../databases/test 

> connect local:../databases/test admin admin 

Connecting to database [local:../databases/test] with user 
'admin'...OK 

> CREATE CLASS POST 

Class created successfully with id=2 

> CREATE CLASS COMMENT 

Class created successfully with id=3 

> INSERT INTO POST (id, title) VALUES (10, 'NoSQL movement'); 

Inserted record 'POST#5:0{id:10,title:NoSQL movement} v0' in 0.002000 
sec(s). 

> INSERT INTO POST (id, title) VALUES (20, 'New OrientDB'); 

Inserted record 'POST#5:1{id:20,title:New OrientDB} v0' in 0.000000 
sec(s). 

> INSERT INTO COMMENT (id, postId, text) VALUES (0, 10, 'First'); 

Inserted record 'COMMENT#6:0{id:0,text:First,postId:10} v0' in 
0.000000 sec(s). 

> INSERT INTO COMMENT (id, postId, text) VALUES (1, 10, 'Second'); 

Inserted record 'COMMENT#6:1{id:1,text:Second,postId:10} v0' in 
0.000000 sec(s). 

> INSERT INTO COMMENT (id, postId, text) VALUES (21, 10, 'Another'); 

Inserted record 'COMMENT#6:2{id:21,text:Another,postId:10} v0' in 
0.001000 sec(s). 

> INSERT INTO COMMENT (id, postId, text) VALUES (41, 20, 'First again'); 

Inserted record 'COMMENT#6:3{id:41,text:First again,postId:20} v0' in 
0.000000 sec(s). 

> INSERT INTO COMMENT (id, postId, text) VALUES (82, 20, 'Second Again'); 

Inserted record 'COMMENT#6:4{id:82,text:Second Again,postId:20} v0' in 
0.000000 sec(s). 

> CREATE LINK comments FROM comment.postId To post.id INVERSE 

[==========] 100% Done. 
Created 0 link(s) in 0.003000 sec(s). 

> UPDATE comment REMOVE postId 

Error: String index out of range: 28 

> select * from post where comments.size() > 0 

0 item(s) found. Query executed in 0.0030 sec(s). 

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