ObjectDB Database Search

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

;  String q1 = " select distinct s_location "          ... ;   q1 = " select distinct s.location "          ... ;   String q2 = " select distinct s.location "        

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

SELECT : TypedQuery query = em.createQuery(     " SELECT p FROM Point p WHERE p ... ); ** 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 pikotenta pikotenta Entity objects can be retrieved by

create a JPA query that selects such objects?  Something like the following (but clearly does not work) :  SELECT p FROM Person p where p.pMap['location']='California' Any thoughts?  Thanks, -Adam   adamMc Adam Please try the following query: SELECT p FROM Person p WHERE p.pMap

Hello, I got a realy strange SELECT problem. In explorer query " select p  from Player p where p.confirmed==false", given me some results with p.confirmed==TRUE. And when I try to do (see image) " select p, p.confirmed  from Player p where p.confirmed==false", I getting p-confirmed-true

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 StawkaVat s == rand

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

;   issue: In case 1 transaction is committed, but select fails!  *   *     ... (em.createQuery(" select a from A a", A.class).getResultList());     }   

) Example query looks like : String strSelect = " SELECT e FROM TestEntity WHERE e.state.entityState IN

simple codes(see attachment), failed.   gzdillon Lai Yang DELETE queries should not be run with getSingleResult ( which is for SELECT queries). Use executeUpdate instead. See this manual page . support Support

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)

select query for a HashMap field of an entity.

Class fields selection to store

selective update does not work

( name ="Country.findAll", query =" SELECT c FROM Country c", hints ={@ QueryHint (name="jakarta

JPQL and criteria queries are built on query expressions. Every query consists of clauses , such as SELECT , FROM , WHERE , GROUP BY , HAVING , and ORDER BY . Each clause is composed of JPQL or Criteria API expressions. Atomic expressions The atomic query expressions are: JPQL / Criteria Variables

types in Java. Entity type literals enable  selective retrieval by type . In JPQL, an entity type

on the command line. This is an experimental feature that is supported only on select JVMs. The reflection

(" SELECT e FROM MyEntity e");         List resultList = query

. Query Structure SELECT (including NEW ). FROM (including INNER JOIN , LEFT OUTER JOIN and JOIN

clauses: SELECT , FROM , WHERE , GROUP BY , HAVING , and ORDER BY : The next section explains

primary key values. Therefore, you must consider all factors, and a benchmark might be necessary to evaluate the alternatives and select the best solution.

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 ... ) multiple times for different selections in the same query!! so after debugging the query returns

: IllegalStateException - if called for a Jakarta Persistence query language SELECT statement or for a criteria ... to be a Jakarta Persistence query language SELECT query or a CriteriaQuery query. Since: Jakarta Persistence ... getResultList () Execute a SELECT query and return the query results as a typed List . Overrides

. Throws: IllegalStateException - if called for a Jakarta Persistence query language SELECT ... Persistence query language SELECT query or a CriteriaQuery query. Since: Jakarta Persistence (JPA) 2.0 ... getResultList () Execute a SELECT query and return the query results as an untyped List . Returns

I am trying to query all entities whose date is between today and today + X days. The date inside the entity is a LocalDate . To do so I created the following query: .createQuery( " SELECT e FROM ... the SELECT a Date is used and not a LocalDate , so I ignored this error. Now I tried a LocalDate

If I open a class in the explorer via the "Open Table Window" button, select a row by its index and prex "Del" or use right click "Delete" the last entry of the table is removed and not the selected one. If I try the same using the "Open Tree Window" it works as expected. Kevin Kevin Pfaff Thank

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

we try to optimize for our queries and tried a selective update, but in explorer it just shows query execution error:   UPDATE ObjectNode o SET o.state = 5 where o.classIdentifier = '(MA)' and o.objectNameUpper = 'DMU200P2' and o.state = 0 and o.type = 1 and o.parentNode.classIdentifier

In this step we will add a Spring Controller to manage guestbook web requests: Open the [New Java Class] dialog box by right clicking the guest package node (in the [Package Explorer] window) and selecting   New Class . The package name should be  guest . Enter  GuestController as

To store objects in an ObjectDB database using JPA we need to define an entity class: Right click on the project in the [Package Explorer] window and select New Class . Enter tutorial as the package name (case sensitive). Enter Point as the class name (case sensitive). Click Finish to create

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the tutorial package node (in the [Projects] window) and selecting New Java Class ... Enter Point as the class name - use exactly that case sensitive

You can run the application now by right clicking the GuestServlet node (in the [Project Explorer] window) and selecting Run As Run on Server Finish : Since we are using ObjectDB in embedded mode - the database file is created under the GlassFish directory (e.g. at domains\domain1\eclipseApps

In this step we will add the JSP that generates the guestbook page output: Open the [New JSP File] dialog box by right clicking the Web Pages node (in the [Projects] window) and selecting New JSP ... Enter guest as the jsp file name - use exactly that case sensitive class name. Click Finish

You can now run the application by right clicking the Main.java file (in the [ Package Explorer ] window) and selecting Run As Java Application . The expected output in the Eclipse [Console] window, is: Total Points: 1000 Average X: 499.5 (0,0) (1,1) (2,2) (3,3) : : (998,998) (999,999

You can run the application now by right clicking the GuestServlet node (in the [Project Explorer] window) and selecting Run As Run on Server Finish : Since we are using ObjectDB in embedded mode - the database file is created under the Tomcat directory. You can stop the Tomcat server and open

In this step we will add a main class to the project to store and retrieve Point objects from the database: Right click the tutorial package in the [Package Explorer] window and select New Class . The package name should be tutorial . Enter Main as the class name (case sensitive). Click Finish

In this step we will add a Spring Controller to manage guestbook web requests: Open the [New Java Class] dialog box by right clicking the guest package node (in the [Projects] window) and selecting New Java Class ... Enter GuestController as the class name - use exactly that case sensitive class

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the project node (in the [Package Explorer] window) and selecting New Class . Enter guest as the package name - use exactly that case sensitive package

You can run the application now by right clicking the  GuestServlet node (in the [Projects] window), selecting   Run File , and then clicking  OK (no need to change the servlet execution URI). Since we are using ObjectDB in embedded mode - the database file is created

You can run the application now by right clicking the GuestServlet node (in the [Projects] window), selecting Run File , and then clicking  OK (no need to change the servlet execution URI). Since we are using ObjectDB in embedded mode - the database file is created under the Tomcat directory

In this step we will add the JSP that generates the guestbook page output: Open the [New JSP File] dialog box by right clicking the Web Pages node (in the [Projects] window) and selecting New JSP ... Enter guest as the jsp file name - use exactly that case sensitive class name. Click Finish

In this step we will add the JSP that generates the guestbook page output: Open the [New JSP File] dialog box by right clicking the WebContent node (in the [Package Explorer] window), selecting   New Other... Web JSP File and clicking  Next . Enter  guest as the jsp file name

In this step we will add the JSP that generates the guestbook HTML output: Open the [New JSP File] dialog box by right clicking WEB-INF under src/main/webapp (in the [Package Explorer] window), selecting   New Other... Web JSP File and clicking Next . The parent folder should be WEB-INF

In this step we will add a servlet to manage guestbook web requests: Open the [New Servlet] dialog box by right clicking the guest package node (in the [Projects] window) and selecting New Servlet ... Enter GuestServlet as the class name - use exactly that case sensitive class name. The Java

To store objects in an ObjectDB database using JPA we need to define an entity class: Open the [New Java Class] dialog box, e.g. by right clicking the project node (in the [Projects] window) and selecting New Java Class ... Enter Guest as the class name - use exactly that case sensitive class name

In this step we will add the JSP that generates the guestbook page output: Open the [New JSP File] dialog box by right clicking the WebContent node (in the [Package Explorer] window), selecting New Other... Web JSP File and clicking Next . Enter guest as the jsp file name - use exactly

In this step we will add a servlet to manage guestbook web requests: Open the [Create Servlet] dialog box by right clicking the guest package node (in the [Package Explorer] window), selecting   New Other... Web Servlet and clicking  Next . The Java package name should be guest. Enter

that are supported only by JDO.  Selecting the more popular API leads to more portable application