ObjectDB Database Search

101-112 of 112 results

String Contains Query Result - Possible?

Hi, I have a managed database for an Entity, "Program", containing a String field, "description", that is effectively a unique sub-string of a system generated description. Example: System: For Series Sales usage: 6014-Private Individual Swim Lessons  10-Pack Database: 6014-Private Individual

using objectdb.jar in writing data to mariadb or mysql db

to mariadb or mysql using native java JPA API and in some cases JPQL or must i store to an Objectdb unique

Criteria query error: Unexpected query token

Using JPA2, I can save entities now in JBoss, and also fetch them uniquely by id. However, if I try to fetch it by getting back all instances (e.g. findAll, I get the following error: org.jboss.arquillian.spi.ArquillianProxyException: com.objectdb.o._PersistenceException : Unexpected query token

Help understanding Entity behavior with JPA

dansmith Daniel Smith The combination of (type, ID) should identify entity objects uniquely

Externalising persistence.xml properties in Glassfish?

a persitance unit for every environment you want that has unique configuration and be sure to give it a name

How best to unbind all names?

way, by adding a 'name' field, which may be set as a primary key or as a unique index

Using multiple databases

Is it possible for an ObjectDB PersistenceManger/EntityManager to connect to more than one database at a time? Also, can objects in one database reference objects in another database (e.g. through globally unique identifiers)? jonb Jon Brumfitt You can use as many databases as needed

Object comparation never matches

2.4.6] javax.persistence.NoResultException" "No matching results for a unique query (error 782

Sample JDO Architecture for Follow Up Questions

for the database requests. * Probably, all persisted instances will be root objects with unique

@JoinColumn(nullable=false)

, see this forum thread regarding setting a unique constraint when using ObjectDB. support Support

Multiple joins did not return expected result

an error? The event variable is defined twice. You should use a unique name for every query variable

com.objectdb.o.InternalException: java.lang.ArrayIndexOutOfBoundsException: null

;     }     private @Index     @ Unique