About join

forum_thread

Welcome

Welcome to ObjectDB Forum #1 2010-05-13 15:13 Welcome to the new ObjectDB Website and the new ObjectDB Forum! ObjectDB Support Object ...

 
forum_thread

Eclipse Browser

Request for an eclipse browser plugin. Ideally this plugin would allow read-only access to embedded databases. #1 2010-05-22 19:08 Request for an eclipse browser plugin. Ideally this plugin would allow read-only access to embedded databases. ...

 
issue

Terracotta Ehcache Integration

Hello , it will be good if you make alliance with terra-cotta ehcache. Their distributed memory cache is very fast.IF we mix with your engine. It will be very great for us. Feature Request Version: 1.04 Priority: Normal Status: Active Replies: 0 Type:  Feature Request ...

 
api-jpa

JoinType.INNER

Inner join.(Enum Constant of javax.persistence.criteria.JoinType)

 
issue

Support for case-insensitive indexes

I would like to request support for case insensitive string indexes. Case-insensitive search is a very common requirement and adding a separate field for every indexed field is a pain. Regards, Natalia.   Feature Request Version: 2.3.7 Priority: Normal Status: Active Replies: 0 Type:  Feature Request ...

 
issue

Enable intern() for Retrieved Strings

Implement a setting, where the developer can specify which Strings should be loaded via the String.intern() function. Hint for this enhancement: When loading a large list of persons, the persons first names are many time the same ones (here it is Martin, Michael, Thomas, ...). Instead of instantiating every first name with a new String, the user should be able to specify that this field should be loaded via String.intern() (with all its advantages and disadvantages). Feature Request Version: 2.5.4 Priority: Normal Status: Active Replies: 0 Type:  Feature Request ...

 
api-jdo

Join.deleteAction

Delete action to be applied to any ForeignKey on this join.(Annotation Element of javax.jdo.annotations.Join)

 
forum_thread

New Tutorial: Using BIRT with ObjectDB/JPA

Version 2.2.7 of ObjectDB added support of report generation using the popular open source Business Intelligence and Reporting Tools (BIRT). The new Report Generation with BIRT and JPA tutorial provides step by step instructions on how to use BIRT to produce reports based on data in an ObjectDB database. #1 2011-06-16 20:04 Version 2.2.7 of ObjectDB added support of report generation using the popular open source Business Intellig ...

 
forum_thread

Using your own classes in the entity class?

When I use other objects from other self-made classes in the JPA Entity Class I get the following error code: #1 2016-02-08 14:48 This post is solved edit delete ...

 
api-jdo

Value.generateForeignKey

Generate or assume a foreign key constraint exists on the column or columns associated with this join.(Annotation Element of javax.jdo.annotations.Value)