About entities

forum_thread

Nested Collection Query

Hi Sir,    I have a persisted field of the type:   List<List<String>> groupMembers   How do I check if a particular member exist in one of the group? #1 2015-08-23 10:03 Hi Sir,    I have a persisted field of the type:   List<List< ...

 
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Problems using Maven Repo

I've worked around this by downloading "manually" but I don't seem to be able to resolve objectdb Maven dependency automatically - have the relevant repository entry etc. in my POM, Maven doesn't seem to be able to find anything. Wondering if there are some operational problems or if I should return to scratching my head. Many thanks #1 2014-06-18 09:45 I've worked around this by downloading "manually" but I don't seem to be able to resolve objectdb Maven d ...

 
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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 ...

 
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Stacktrace in Explorer when running query

Hello, whenever I run a query in Explorer I get the following stacktrace (cf. attached file). My environment is: macOS Sierra 10.12.1 with java version "1.8.0_112" Is there anything I can do to fix this? Many thanks in advance Alex #1 2016-12-05 13:54 Hello, whenever I run a query in Explorer I get the following stacktrace (cf. attached file). My ...

 
api-jpa

ManyToMany.fetch

(Optional) Whether the association should be lazily loaded or must be eagerly fetched.(Annotation Element of javax.persistence.ManyToMany)

 
api-jpa

CollectionTable.name

(Optional) The name of the collection table.(Annotation Element of javax.persistence.CollectionTable)

 
api-jpa

javax.persistence.SequenceGenerator

Defines a primary key generator that may be referenced by name when a generator element is specified for the GeneratedValue annotation.(Annotation of JPA)

 
api-jpa

javax.persistence.NamedNativeQueries

Used to specify multiple native SQL named queries.(Annotation of JPA)

 
api-jpa

MapKeyJoinColumn.referencedColumnName

(Optional) The name of the column referenced by this foreign key column.(Annotation Element of javax.persistence.MapKeyJoinColumn)

 
forum_thread

How to creat a Query with Sql which returns a List<Mark> marks

How can i get out of the db my Athlete Objekt his list<Mark> marks collection with a createQuery Sql-Statement. the Mark and Athlete Object do not really have a primary or secondary key together, the list mark is just stored in the athletes object, not as an embeddable but as an entity. #1 2011-05-31 21:44 How can i get out of the db my Athlete Objekt his list<Mark> marks collection with a createQuery Sql-Statem ...