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wrong query result

Hi we have a problem with queries, database is returning wrong results. These are the queries we run from ObjectDB explorer. #1 2014-01-30 11:04 Hi we have a problem with queries, database is returning wrong results. These are the queries we run from ...

 
forum_thread

String Contains Query Result - Possible?

Hi, I have a managed database for an Entity, "Program", filled with String fields, "description", that are effectively unique sub-strings of a system generated description. Example: System: For Series Sales usage: 6014-Private Individual Swim Lessons  10-Pack Database: 6014-Private Individual Swim Lessons  10-Pack I would like to know if it is possible to have a query return the "Program" object using the System Description? I've considered doing something similar to... #1 2017-09-11 17:56 Hi, I have a managed database for an Entity, "Program", containing a String field, "description", that is ...

 
api-jpa

javax.persistence.GenerationType

Defines the types of primary key generation strategies.(Enum of JPA)

 
forum_thread

Feature Request: Improved ObjectDB Explorer

ObjectDB explorer is mainly designed as database viewer, not editor. However, I think it can be improved to function as a capable editor also, and I think this will make ObjectDB an even better product. #1 2014-06-04 17:59 ObjectDB explorer is mainly designed as database viewer, not editor. However, I think it can be improved to funct ...

 
api-jpa

javax.persistence.EmbeddedId

Applied to a persistent field or property of an entity class or mapped superclass to denote a composite primary key that is an embeddable class.(Annotation of JPA)

 
api-jpa

javax.persistence.PostUpdate

Is used to specify callback methods for the corresponding lifecycle event.(Annotation of JPA)

 
forum_thread

Understanding limitations of schema evolution

Hi, I am trying to understand the limitations of schema evolution and have read the material on http://www.objectdb.com/java/jpa/entity/schema as well as the link therein regarding manual schema update when changing a field’s name Yet, i am confused regarding how to handle the case where one re-factors a class by moving one if it's Fields to a different class. Is this case managable? Thanks... as well as the link therein regarding manual schema update when changing a field’s name Yet, i am confused ...

 
api-jpa

javax.persistence.CacheRetrieveMode

Used as the value of the javax.persistence.cache.retrieveMode property to specify the behavior when data is retrieved by the find methods and by queries.(Enum of JPA)

 
api-jpa

javax.persistence.criteria.Expression

Type for query expressions.(Interface of JPA)

 
forum_thread

Delete object from collection versus delete from JPQL

I'm a newbie, so this is a pretty fundamental question. I'm not sure if there is a bi-directional relationship between the objects in memory and ObjectDB.  I know I can modify the objects and use persist() to write them to the database.  But does running a JPQL update or delete alter the in-memory objects? There are cases where the JPQL syntax is more expressive than operating on a collection, but I'm not sure if that will alter my program state.  Will it? Thanks, Lee  ... between memory and database objects. See these manual pages for more details: DELETE queries ...