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 ...

 
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)

 
api-jpa

javax.persistence.OneToMany

Defines a many-valued association with one-to-many multiplicity.(Annotation of JPA)

 
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)

 
api-jdo

Element.generateForeignKey

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

 
api-jpa

javax.persistence.DiscriminatorColumn

Specifies the discriminator column for the SINGLE_TABLE and JOINED Inheritance mapping strategies.(Annotation of JPA)