18 | IN expression in a Criteria Query: SELECT a FROM Account a GROUP BY a.code HAVING COUNT(a) < 2 It throws following exception: com ... the criteria query into a string with toString). Regarding the GROUP BY query: SELECT a FROM Account a GROUP BY a.code HAVING COUNT(a) < 2 This is an invalid query. In a grouping query |
4 | JPA Persistable Types are represented in queries by entity names. By default, the entity name is the unqualified name ... can be set explicitly by using the name attribute of the Entity annotation: @Entity(name="MyName") public ... superclasses are treated by ObjectDB as ordinary entity classes. Mapped superclasses are really |
4 | JPA / JDO Class EnhancerObjectDB Enhancer is a post compilation tool that improves performance by modifying the byte code ... (and actually required by JPA but not enforced by ObjectDB) to avoid accessing persistent fields ... . by using the get and set methods). If you follow this practice only user defined persistable classes |
4 | Eclipse Public License - v 1.0 additions to the Program originate from and are distributed by that particular Contributor. A Contribution 'originates' from a Contributor if it was added to the Program by such Contributor itself or ... entity that distributes the Program. "Licensed Patents" mean patent claims licensable by |
3 | Storing JPA Entity ObjectsNew entity objects can be stored in the database either explicitly by invoking the persist method ... is committed. An IllegalArgumentException is thrown by persist if the argument is not an instance ... is thrown. The exception is thrown either by persist (if that existing entity object is currently |
3 | JPA Primary Key the database is uniquely identified (and can be retrieved from the database) by the combination of its type ... have their own separate identity. Automatic Primary Key By default, the primary key is a sequential 64 bit number (long) that is set automatically by ObjectDB for every new entity object |
3 | Query Parameters in JPA) The following method retrieves a Country object from the database by its name: public Country ... method. The setParameter method supports method chaining (by returning the same TypedQuery instance ... . Named parameters can be easily identified in a query string by their special form, which is a colon |
0 | javax.jdo.annotations.Persistent: "" Since: JDO 2.1 String defaultFetchGroup Whether this member is in the default fetch group. Whether this member is in the default fetch group. Returns: whether this member is in the default fetch group ... : {} Since: JDO 2.1 String loadFetchGroup Name of the fetch-group to use when this member is loaded |
0 | addSubquery(sub, variableDeclaration, candidateCollectionExpression, parameters) a Query and subsequently attached to a different query (the outer query) by calling this method ... specification, uniqueness, result specification, and grouping specification. The association |
0 | detachCopyAll(pcs) and DETACH_UNLOAD_FIELDS) and the active fetch groups determine the scope of fetching for the graph ... by the FetchPlan. Parameters: pcs - the instances to detach Returns: the detached instances Since: JDO 2.0 See Also: detachCopyAll(Object[]) |
