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Apache License, Version 2.0, January 2004

of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity
Manual
16

Literals in JPQL and Criteria Queries

. 'abc'), enum literals (e.g. mypackage.MyEnum.MY_VALUE) and entity type literals (e.g. Country). JPQL ... } Then example.ui.Color.RED is a valid literal in JPQL, but Color.RED is not. Entity Type Literals Entity type literals represent entity types in JPQL, similar to the way that java.lang.Class instances
Forum
16

JPQL query to get entities that does not have a child entity in their child entities

' and not '%Canceled' and not 'Finished'. I have entities for Job and Status with NamedQueries on Job entity and using TomEE for deployment. I am using following queries. FINISHED Jobs between a time
Manual
15

UPDATE SET Queries in JPA/JPQL

Existing entity objects can be updated, as explained in chapter 2, by: Retrieving the entity objects into an EntityManager. Updating the relevant entity object fields within an active transaction ... an alternative way for updating entity objects. Unlike SELECT queries, which are used to retrieve data from
Manual
15

Auto Generated Values

for entity objects with no primary key fields defined (as explained in the previous section). The same ... @GeneratedValue with the AUTO strategy: @Entity public class EntityWithAutoId1 { @Id @GeneratedValue ... definition is equivalent: @Entity public class EntityWithAutoId2 { @Id @GeneratedValue long
Manual
15

DELETE Queries in JPA/JPQL

As explained in chapter 2, entity objects can be deleted from the database by: Retrieving the entity objects into an EntityManager. Removing these objects from the EntityManager within an active ... an alternative way for deleting entity objects. Unlike SELECT queries, which are used to retrieve data from
Manual
15

JPA Named Queries

is attached to exactly one entity class or mapped superclass - usually to the most relevant entity ... carefully to avoid collision (e.g. by using the unique entity name as a prefix). It makes sense to add the above @NamedQuery to the Country entity class: @Entity @NamedQuery(name="Country.findAll
Result
15

ObjectDB Object Database Features

entity classes per database file. Up to 2,147,483,648 indices per database file. Up to 9,223,372,036,854,775,808 entity objects per database file. Unlimited database connections (limited only by ... and timeout. Caching L1 entity object cache (per EntityManager). L2 shared entity data cache
Issue
14

Removing of an entity removes also another entity type

Hello, we have following case: All entities must be enhanced, because see Issue #303. ToleranceDefinition and ResolverMapping are entities and have not any relations each other. Before start transaction the ToleranceDefinition entities exist already in the database. The transaction starts
Forum
14

Update Entity references if we change the type of an entity

Hello, we must change (extend) our entity model and therefor we convert the type of some entities ... . But now we introduced as example a new Entity NewKindOfEntityB. And we have a defined logic how we detect the existing EntityB instances they must be converted to the new Entity. With the same ID