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Manual
8

Database Transaction Replayer

. Recording is enabled by default and can be disabled in the configuration. The ObjectDB Replayer tool ... is useful for two different purposes: It enables recovery from a database failure by replaying the recorded operations. It enables reproducing problems during debugging by repeating a failure. Backup
Issue
7

Issue with DISTINCT Select

It is getting more and more frustrating :( We've introduced distinct select instead of regular selection in our code (no changes else) and suddenly receive invalid identifiers in queries exceptions ... identifier (namely, $1) multiple times for different selections in the same query
Manual
7

JPA Criteria API Queries

JPA Criteria Query The following query string represents a minimal JPQL query: SELECT c FROM ... c = q.from(Country.class); q.select(c); The CriteriaBuilder interface serves as the main ... , the range variable, c, is also used in the SELECT clause as the query result expression
Forum
7

ClassCastException on SELECT NEW ... after UPDATE over Java RMI

internally runs SELECT NEW ... queries. For example: SELECT NEW com.arunta.base.db.FileNameDTO(r.id, r.fileName) FROM RecordingMetaData AS r WHERE ... A remote RMI client runs SELECT (but not SELECT ... is that once we UPDATE a record from the client (via the RMI interface), all SELECT NEW ... queries
Forum
7

Multi selection and distinct in a criteria query

hi, How can I realize multi selection with the criteria api concerning distinct? I.e. doing something like SELECT DISTINCT $1, $2 wouldn't work because I do only have something like criteria.multiselect(...) and nothing like builder.distinct(selection) so that I could do something like criteria
Forum
7

Problem with distinct select, order by and equivalent alias/attribute path

));                 em.getTransaction().commit();                         String q1 = "select ... ();                 q1 = "select distinct s.location "             + "from Street s ... , Location.class).getResultList();                 String q2 = "select distinct s.location
Tutorial
7

Java EE 6 JPA Tutorial - IntelliJ Project

IDEA: Select File > Open Project.... Select the guestbook-jee6 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
Tutorial
7

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
Tutorial
7

Spring MVC JPA Tutorial - IntelliJ Project

: Spring MVC JPA - Maven Project (7KB). Open the project in IntelliJ IDEA: Select File > Open Project.... Select the guestbook-spring directory and click OK. Define the Server: Select File > Settings ... ). Define Run Configuration: Select Run > Edit Configurations, click the + icon and select Tomcat
Forum
7

Is there any faster select method?

SELECT: TypedQuery query = em.createQuery(     "SELECT p FROM Point p WHERE p.id ... ); ** the Point class is of the tutorial. I found the above select method is ten times slower ... . Is there any faster method of select? TIA Entity objects can be retrieved by their primary key (object