About DISABLE_SELECTIVE

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Tutorial
6

JPA Web App Tutorial - IntelliJ Project

: Select File > Open Project.... Select the guestbook-web directory and click OK. Define the Server: Select File > Settings > Application Servers. Add Tomcat 6 Server if not set already (Tomcat has to be downloaded separately). Define Run Configuration: Select Run > Edit Configurations, click the + icon
Forum
6

A nested SELECT

Hello. I have a query UPDATE Look l SET l.partlySold = FALSE WHERE (SELECT count(a) FROM l.things a WHERE a.thing.status != :status) <= 1 which doesn't work: "Unexpected query token 'SELECT'". Does ObjectDB support queries like this? Thanks. Nested queries (issue #11) is currently not supported
Forum
6

Conditional Selection

so when I use... SELECT firstName + " " + middleName + " " + lastName FROM Employee     ORDER BY ... an additional field. e.g. displayName. Use a method in the SELECT clause. It could be a static method
Forum
6

Selecting random rows

Hello is there way to get random rows? Functions like rand(), random(), newid() doesn't work ;/ for example: em.createQuery("SELECT s FROM StawkaVat s ORDER BY rand()").setMaxResults(5).getResultList(); gives exception: Exception in thread "AWT-EventQueue-0" [ObjectDB 2.5.6_02] SELECT s FROM
Issue
6

NullpointerException at a normal select

When I run the following code: EntityManager em = getEm(); Customer result = null; try {     logger.debug("Ident: "+ident);     result = em.createQuery("Select c from Customer c where c.identifier=:id", Customer.class).setParameter("id", ident).getSingleResult(); } catch (javax.persistence
Forum
6

Performance in SELECT statement

has around 30.000 rows) Example query looks like : String strSelect = "SELECT e FROM TestEntity
Forum
5

Class fields selection to store

Class fields selection to store
Forum
5

Selective merge/cascade of detatched entity

Selective merge/cascade of detatched entity
Manual
5

BIRT/ODA ObjectDB Driver

extension. To install it: Open the [Install] dialog box by selecting Help > Install New Software... In ... ENTER. Select the ObjectDB Birt/ODA feature. Complete the installation by clicking Next twice, accepting ... and selecting New Data Source. Select ObjectDB Data Source from the list of available data source types
Manual
5

JPA Named Queries

="SELECT c FROM Country c") The @NamedQuery annotation contains four elements ... class. But since the scope of named queries is the entire persistence unit, names should be selected ... ", query="SELECT c FROM Country c") public class Country { ... } Attaching multiple named