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Listing large number of complicated objects with paging.

. The problem is, that running code that looks like this: TypedQuery<Product> icQuery = em.em ... -exec-3] DEBUG pl.hplxtool.dao.impl.ProductDAOImpl - Returning data Query manager builds plan like ... query manager fetchSize is like all objects in database: <newQueryResponse isUnique="false

Is it ok to put list or map of embeddable objects in entity ?

entity. And what happens if I do operation like : entA.setBList(new ArrayList<Class_B ... . support Support Ok, thanks for your answer. I have another question though. I have entity EntityA like ... ; } Where EntityC is some another simple entity. My problem is - when i remove EntityA instance I would like

Several parallel threads to speed up query on one DB

is the producer from DB (based on a query) and I would like to speed it up. I have tried using several entity managers (same DB instance) to benefit from the parallelisation - but it looks like I don't get much benefit from doing that. I profiled the application - and it looks like there are some benefits - i.e

SelfTest and com.objectdb.Doctor

Dear Objectdb-Team We're really pleased with objectdb. Nevertheless we would like to ask ... . We would like to make a self-test before every start of the database (i.e. the server). In case of fails or errors we would like to repair the database and/or inform the customer. So it would be very helpful

Configure ObjectDB in spring context

I have a application that initializes with spring, now I'd like to change my data access tier ... like this <?xml version="1.0" encoding="UTF-8"?> <beans xmlns:xsi="http://www.w3.org/2001 ... partially. In case if anyone will need something like this... @Configuration @PropertySources

Connecting to a remote objectdb server

> On my application, I had configured my persistence unit like below.     <persistence-unit name ... had configured our client app like below... <property name="javax.persistence.jdbc.url" value ... /myapp.odb"/> - when objectdb on localhost The objectdb.conf server data url configured like: <data

How to access database object to my application.

Hi, I want to access a object which contains some value like id,name,college and address ... of object not the data. Like This (nextpack.InsertionClass@5c7fa833). how to get those value ... is without using tostring method. like a independent object and database. Thank you. Bimal Bimal kumar dalei

Beginners questions

. Is ObjectDB on the same level like Hibernate with only difference that Hibernate stores the data in ... which looks like this: @Entity(name="RESULT") public class EBResult extends Pojo implements Serializable ... "Pojo.class" which looks like this: public class Pojo { private transient boolean changed=false

Unexpected Query Token / Casting in Query

.IndividualContactDebitorAccountFragment')).debitorAccount.bankAccounts.routingNumber) LIKE UPPER('%28%') results in the error ... .IndividualContactDebitorAccountFragment')).debitorAccount.bankAccounts.routingNumber) LIKE UPPER('%28 ... stills results in the same error so it's not because of the upper like I've again initially thought

combined index not used

we have a query like this: SELECT a.endDate,a.objectsInCharge.nodePath,a.objectsInCharge.properties.doubleValue FROM Action a WHERE a.type = 0 and a.subType = 3 and a.state = 3 and a.endDate ... statistics). Would you like to try repeating Doctor + Stat on it and send the result? Or better, start

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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