About relation

forum_thread

Database size is much larger than expected (x2)

I store images into objectdb. The schema is : <URI>::=(<sUrl>, <cMark>, <iSize>, <baBody>, <id>) <sUrl>::=String <cMark>::=char <iSize>::=int <baBody>::=byte[] <id>::=@ID So simple a class will fail after 155,648 insertions with -Xmx1432m, #1 2011-08-18 02:10 I store images into objectdb. The schema is : <URI> ::= ( <sUrl>, <cMark&g ...

 
issue

RDBMS-ObjectDB Replication

Replication between ObjectDB and RDBMS will enable managing the same synchronized data in ObjectDB and in an external relational database, using a JPA ORM provider. This could be useful in systems that must use an RDBMS for other purposes, but need better performance for specific tasks. For systems that already use JPA - this feature might enable using ObjectDB as a performance booster, without writing new code. Feature Request Version: 1.04 Priority: Normal Status: Active Replies: 1 Type:  Feature Request ...

 
api-jdo

Query.SQL

The string constant used as the first argument to PersistenceManager.newQuery(String,Object) to identify that the created query should use SQL semantics.(Static Field of javax.jdo.Query)

 
forum_thread

enumeration table? how to on pure jpa?

Hello , I've relational db , and there is some table named enumerations with , some key and values.We will migrate to objectdb. Our problem is , we want to store some keys and values for global application configs. Like; tablename : enumeration table rows: key                value #1 2012-05-21 23:32 Hello , I've relational db , and there is some table named enumerations with , some key and values.We will mi ...

 
issue

Query execution creates a wrong result

Hello, we analysed an unexpected behavior and find out that the result of an Query are wrong. We prepared an Example that shows the BUG. (see attachment) The Example executes two Queries. The first returns an expected result (one Entity). The second Query is the first Query with an additional WHERE condition. But than we get another (wrong) result.   Bug Version: 2.6.5 Priority: Critical Status: Fixed Replies: 1 Type:  Bug ...

 
forum_thread

Will Entire JPQL Supported by ObjectDb?

Hi,     I am new to Object Db. I have worked on JPA + Hibernate with Oracle database. Just want if i remove the service layer of application and replace that with JPA + ObjectDB -would this work ? I mean all the JPA related code which is written for Hibernate will work fine with ObjectDb+ JPA - do i need to change some sort of code. If there is a change needed please let me know. Is Transaction management taken care here ? Thanks in Advance , Jana #1 2012-07-28 23:47 Hi,     I am new to Object Db. I have worked on JPA + Hibernate with Oracle database. ...

 
api-jdo

compareTo(o)

Determine the ordering of identity objects.(Method of javax.jdo.identity.ObjectIdentity)

 
api-jdo

javax.jdo.identity.ByteIdentity

This class is for identity with a single byte field.(Class of JDO)

 
manual

[ODB1] Chapter 8 - ObjectDB Server

An ObjectDB server can manage one or more databases. Databases that are managed by a server can be accessed by multiple processes simultaneously. In addition, the server supports accessing these databases from remote machines by TCP/IP. More details about client server mode vs. embedded database mode are discussed in Section 1.2. An ObjectDB server can manage one or more databases. Databases that are managed by a server can be accessed by multiple processes simultaneously. In addition, the server supports accessing these databases from remote machines by TCP/IP. More details abo ...

 
issue

ObjectDB internal error on 2.6.5 for some query which worked on 2.6.4

Following query caused NULL pointer exception. Also this query worked fine on ObjectDb 2.6.4b6. SELECT $1 FROM Pa3DataKey $1  WHERE (LOWER($1.publicDataItems.get('Sender')) == 'test' AND LOWER($1.publicDataItems.get('RAT')) == 'lte' ) AND (($1.parentId IN (0)) AND ($1.keyDescriptor.name="MESSAGE" OR $1.keyDescriptor.name="CONTEXT")) ORDER BY $1.timestamp 1. Priority HIGH since affected customers. 2. Attached screenshot + database exampe Bug Version: 2.6.5 Priority: High Status: Fixed Replies: 1 Type:  Bug ...