About generated

manual

GROUP BY and HAVING clauses

Explains how to use the GROUP BY and HAVING clauses in a JPA/JPQL query.... A JPQL query with a GROUP BY clause returns properties of generated groups instead of individual objects and fields. The position ... database objects (or tuples of database objects) that are generated by the FROM clause iteration and pass the WHERE clause filtering (if ...

 
api-jpa

GenerationType.AUTO

Indicates that the persistence provider should pick an appropriate strategy for the particular database.(Enum Constant of javax.persistence.GenerationType)

 
forum_thread

Date field Index is corrupted due to time change

Hi, can you shed some light on why we cannot delete data from the attached DB file. A delete attempt with DB explorer results in the following exception: ... Unexpected exception ( Error 990 ) Generated by Java HotSpot ( TM ) 64 - Bit Server VM 1.7.0_80 ... [ObjectDB 2.6.5] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.7.0_80 (on Linux ...

 
issue

evalution limit error on digital ocean ubuntu

Trying to run the code on Digital Ocean Ubuntu instance. Generated license and set key in objectdb conf file. It gives below exceeds evaluation error when we try to run the code. Caused by: com.objectdb.o.UserException: Too many persistable types (>10) - exceeds evaluation limit at com.objectdb.o.MSG.d(MSG.java:61) ~[objectdb-2.5.4.jar:na] at com.objectdb.o.MST.UC(MST.java:1090) ~[objectdb-2.5.4.jar:na] at com.objectdb.o.WRA.UC(WRA.java:213) ~[objectdb-2.5.4.jar:na] at com.objectdb.o.TYS.x(TYS.java:768) ~[objectdb-2.5.4.jar:na]... Trying to run the code on Digital Ocean Ubuntu instance. Generated license and set key in objectdb conf file. It gives below exceeds ... 2.5.4] Unexpected exception (Error 990)   Generated by Java HotSpot(TM) 64-Bit Server VM 1.8.0_05 (on Linux ...

 
api-jdo

DatastoreIdentity.strategy

Strategy to use when generating datastore identities(Annotation Element of javax.jdo.annotations.DatastoreIdentity)

 
release

2.4.5

... of new flushed entity objects. Fixed generated value (ID allocation) bug with flush and in EJB containers. ...

 
forum_thread

@OneToMany(fetch = FetchType.LAZY) list is always null

Hello. @OneToMany(fetch = FetchType.LAZY) doesn't work when using EJB or something else related to J2EE. parent.getChildren() returns null. Here is a simple example: Bean: #1 2014-06-05 20:19 Hello. @OneToMany(fetch = FetchType.LAZY) doesn't work when using EJB or something else related to J2 ...

 
page

ObjectDB Object Database Features

ObjectDB provides a rich set of features, many of them as the result of supporting the JPA and JDO APIs.... in relational databases (e.g. primary keys, automatically generated values, grouping queries and aggregate queries) which are usually ...

 
api-jpa

SequenceGenerator.initialValue

(Optional) The value from which the sequence object is to start generating.(Annotation Element of javax.persistence.SequenceGenerator)

 
release

2.4.6

... of new flushed entity objects. Fixed generated value (ID allocation) bug with flush and in EJB containers. ...