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6

Entity with java.util.Date column gives ClassCastException in BIRT

Copied a straightforward entity class from my coleague. Using Eclipse Kepler (Reporting) and stored it in ObjectDB 2.5.3_02. After creating an ObjectDB BIRT DataSource and a DataSet, entered a simple JPQL query to select the fields. Entity looks like this: package entity; import java.util.Date
6

migration path from JPA / Hibernate

of EntityManager, queries with HQL syntax instead of JPQL, etc.) you will have to move to standard JPA
6

dual access

direct SQL coding? cpanon CP ObjectDB doesn't support SQL but JDOQL and JPQL (the later is very similar
6

using objectdb.jar in writing data to mariadb or mysql db

to mariadb or mysql using native java JPA API and in some cases JPQL or must i store to an Objectdb unique
6

Method not found on...

this JPQL query: SELECT g from Language g where g.hasAlias("espanol", "italian") It returns the error
6

Queries are slow on a large database

Nargemi In JPQL the count query is: SELECT COUNT(m) FROM MessageImpl m You are using JDO. I am not
6

Difference performance in ObjectDB Explorer and in java project

Hello, I am learning ObjectDB and i noticed that the queries that are executed in ObjectDB Explorer are faster (about 5 ms) than queries in my project (~400 ms). Here is my JPQL query : SELECT p FROM Point p WHERE p.x=0 I am using Point entity class from tutorial, but with Indexed "x" field
6

Package name for persisted entities

: SELECT FROM Inspiration IMPORT homplex.model.dbobject.* and ObjectDB supports it also in JPQL
1

ObjectDB 2.3.0

Added the ability to edit databases in the Explorer (issue #2). Added the ability to execute queries in the Explorer (issue #3). Other small Explorer improvements. Added support of IN operator in JPQL queries. Added support of ";drop" database url parameter. Adjusted the Enhancer to the new Java 7
1

Update query null error

, which are not allowed in JPQL Update queries. See discussions on this issue. ObjectDB should produce

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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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