ObjectDB Database Search

have given a sample typed query below which fails to work with ObjectDB and it runs very well with the Hibernate/MySQL JPA. We are using Spring Data here. It looks like a problem with Sub query or nested queries where I am using IN clause like below. @ Query ("SELECT product FROM Product product

.arquillian.spi.ArquillianProxyException: com.objectdb.o._PersistenceException : Unexpected query token ... to see? Or is Criteria a W.I.P?   Cheers Willks William It seems that the query is invalid because a SELECT is not specified. Unexpected query token 'FROM' (SELECT is expected) A query with no SELECT

The test case of the java file attachment persists many entities and executes a query ... requires only 20 sec, but the test requires 100 sec. Why the querys will be more and more slower? In ... more time (i.e. every query execution requires a more expensive flush). Results of your test

Are there some possibilities to configure following caches in order to keep cache data for only some important entity types and for the entire life cycle of the EntityManagerFactory. Cache of database file pages. Cache of query programs. Cache of query execution results. btc_es BTC EmbeddedSystems

Hi, my entity is named "XXXValue": this has several attributes, one of these is "value". In query tab, if I do "select value from XXXValue", I get the error . I try  "select XXXValue.value from XXXValue" and the error is the same. Queries on others attributes work fine.  Thanks! luca

to it. The client program can connect to the server and query to get all the records ... [Remarks] 01 Test_Connection: connecting 02 Test_Connection: connected 03 UI: start query [ query ...   05 code= %, desc= % 06 UI: end query 07 UI: start printing result 08 code= A, desc= Good

When using the CriteriaBuilder to query , the loaded list are not refreshed according to the latest updates. But, when using the JPQL Query , the list are refreshed, and, when I querying ... on update side does not any diference. The problem is only solved when changing the query mode, from

How to convert a boolean to an int in the query ? I have five parameters of type boolean in ... , approvePhoneNumber, .... because the parameters equivalent. I want to sort them in the query by their sum ... queries . It is possible to add this to ObjectDB in future versions, but using a pre-calculated field

a subquery root correlated to a root of the enclosing query . Parameters: parentRoot - a root of the containing query Returns: subquery root. Since: Jakarta Persistence (JPA) 1.0 Join correlate ( Join parentJoin ) Create a subquery join object correlated to a join object of the enclosing query

criteria queries , compound selections, expressions, predicates, orderings. Note that Predicate ... compatible with varags. Since: Jakarta Persistence (JPA) 2.0 The JPA Criteria API Queries article ... to specify a constructor that is applied to the results of the query execution. If the constructor

are represented in queries by entity names . By default, the entity name is the unqualified name ... entities, and they cannot be queried directly). Therefore, the decision to declare a class as an entity or ... and retrieval). Simplifies queries on dates and date ranges. When an entity is stored, its date

, and their attributes to build dynamic queries and validate persistence structures. The Metamodel Access ... and further explanation, refer to the JPA Metamodel API section in the ObjectDB manual. Criteria query ... objects that can be bound to a Path in a Criteria query , mainly to define FROM variables

the database. DELETE Queries DELETE queries provide an alternative way to remove entities from the database. They are especially useful for deleting many entities in a single operation. For more information, see DELETE Queries in JPA/JPQL .

; em.getTransaction().commit();         Query query = em.createQuery("SELECT e FROM MyEntity e");         List resultList = query

Most JPQL queries use at least one comparison operator in their WHERE clause. Comparison operators ... (the JDO Query Language). ObjectDB supports both forms. In addition to the different notation ... these examples, :min and :max are query parameters : x BETWEEN :min AND :max x = :min AND x ) Predicate gt1 = cb

query . Releasing a Pessimistic Lock Pessimistic locks are automatically released at the end ... mode can also be set for a query to lock all the query result objects. When a retrieval operation

efficiently in the database. This technique is especially useful for queries that return large result ... , and other details. Suppose that queries to retrieve all events from a specific sensor in a specific ... can significantly improve query performance: @Entity public class Event { @EmbeddedId EventId id

, may be obtained by calling getCache , the CriteriaBuilder , used to define criteria queries , may be obtained by ... entityGraph - entity graph Since: Jakarta Persistence (JPA) 2.1 void addNamedQuery ( String name , Query query ) Define the query , typed query , or stored procedure query as a named query such that future query

Jakarta Persistence (JPA) Entity Graphs optimize query performance by specifying which attributes should be loaded eagerly. Graph definitions Use the following interfaces to define ... as a template for a query or find operation, allowing you to override the default fetch strategies

the EntityManager . An EntityManager instance also functions as a factory for Query instances, which are used to execute database queries . Every JPA implementation provides classes that implement

The ObjectDB BIRT/ODA driver is an extension for the open-source Business Intelligence and Reporting Tools (BIRT). It adds support for ObjectDB as a data source and JPQL as a data set query language ... ) and click Next . Enter a JPQL or a JDOQL query and click Finish . See the Report Generation with BIRT and JPA tutorial for more detailed instructions.

behavior. Declare static, reusable JPQL queries directly on the entity class. Optimize data retrieval by ... . Annotations for defining Native SQL queries and result set mappings.

that use annotations to define generators and named queries . Otherwise, these generators and named queries are available only after their containing classes become known to ObjectDB--for example, when the first instance of a class is stored in the database.

all the standard database management services (storage and retrieval, transactions, lock management, query ... . Advanced querying and indexing capabilities. Effective in heavy loaded multi-user environments

Methods Root from ( Class entityClass ) Create and add a query root corresponding to the entity ... that is being updated. Parameters: entityClass - the entity class Returns: query root corresponding to the given entity. Since: Jakarta Persistence (JPA) 1.0 Root from ( EntityType entity ) Create and add a query root

: Annotation Target: Type Declares a named query written in the Jakarta Persistence query language. Query names are scoped to the persistence unit. A named query may be executed by calling EntityManager.createNamedQuery . The following is an example of the definition of a named query written in

Interfaces: Annotation Target: Type Declares a named native SQL query and, optionally, the mapping of the result of the native SQL query . Query names are scoped to the persistence unit. A named query ... how the native SQL query result set should be interpreted, for example: @NamedNativeQuery( name

entityClass ) Create and add a query root corresponding to the entity that is the target of the DELETE ... - the entity class Returns: query root corresponding to the given entity. Since: Jakarta Persistence (JPA) 1.0 Root from ( EntityType entity ) Create and add a query root corresponding to the entity

the persistence provider when a query times out and only the statement is rolled back. The current ... (JPA) 1.0 QueryTimeoutException ( Query query ) Constructs a new QueryTimeoutException exception with the specified query . Parameters: query - the query . Since: Jakarta Persistence (JPA) 1.0

with the database operation that triggers the event, callback methods must not call EntityManager or Query methods

) and close it upon shutdown. The primary interface for performing CRUD operations, building queries

ObjectDB is an Object Oriented Database Management System (ODBMS). It provides all the standard database management services (storage and retrieval, transactions, lock management, query processing, etc.), but it uses an object oriented model to store and manage data. You can easily store ordinary

how to use the JPA Query Language (JPQL). Presents ObjectDB Tools: the Explorer, the Enhancer, the Doctor

The configuration element specifies ObjectDB settings that are relevant to both the server and the client. The default configuration file contains the following element: The element To meet memory constraints, ObjectDB can use temporary files when processing large amounts of data, such as query

The CommonAbstractCriteria interface defines functionality that is common to both top-level criteria queries ... directly in query construction. Note that criteria queries and criteria update and delete operations are typed differently. Criteria queries are typed according to the query result type. Update

of the parameter Type for query parameter objects. See Also: Query TypedQuery Since: Jakarta Persistence (JPA) 2.0 Chapter 4 - JPA Queries (JPQL / Criteria) explains how to use Parameter . Public Instance ... must be assignable to this type. This method is required to be supported for criteria queries

, TupleElement Type of criteria query parameter expressions. Since: Jakarta Persistence (JPA) 2.0 Public ... do not affect the query . Inherited from Selection Returns: list of selection items. Throws ... to this type. This method is required to be supported for criteria queries only. Applications that use

Enumerates flush modes recognized by the EntityManager . When queries are executed within a transaction, if AUTO is set on the Query or TypedQuery object, or if the flush mode setting for the persistence context is AUTO (the default) and a flush mode setting has not been specified for the Query or

, the inability to robustly query relationship fields in a web application renders the ObjectDB ... showing the query result in indexTest.xhtml. The problems is illustrated by running the attached JavaEE ... . For a number of different List fields, a query performed immediately after creating and persisting

in the query result. Replaces the previously specified selection(s), if any. The type of the result of the query execution depends on the specification of the type of the criteria query object ... : If the type of the criteria query is CriteriaQuery (i.e., a criteria query object created by

the query result. Replaces the previously specified selection(s), if any. The type of the result of the query execution depends on the specification of the type of the criteria query object created as ... follows: If the type of the criteria query is CriteriaQuery (i.e., a criteria query object created

Hi! Please find the attached database. Doing a simple query with casting SELECT COUNT(DISTINCT $1 ... .IndividualContactDebitorAccountFragment')).debitorAccount.bankAccounts.routingNumber) LIKE UPPER('%28%') results in the error Query Execution Error ===================== Unexpected query token 'com.quasado.foundation.warehouse.api

sets is undefined. The hints element may be used to specify query properties and hints. Properties ... recognized by a provider must be ignored. All parameters of a named stored procedure query ... to the query with the EntityManager methods that create stored procedure query objects

indicating deep query plan checks and an overall significant performance loss in all queries ... since version 2.7.6 that could possibly effect query execution. Could you please explain or post some of these logs that show deep query plan checks (and are new in 2.7.6_04)? In addition

for executing a Jakarta Persistence query language named query . The select list of the query must contain ... . Parameters: name - the name of a query defined in metadata resultClass - the type of the query result Returns: the new query instance. Throws: IllegalArgumentException - if a query has not been defined

); } } } We have about 200M instances of this entity. The following query finishes instantly: SELECT FROM ... = '1344770') Query plan 1/2 description ============================ [Step 1] Scan type eu.extech ... equalities to IN, the query suddenly takes 2.5 minutes: SELECT FROM ProductVariantStoreData d WHERE d

getAllGuests() { TypedQuery query = em.createQuery( "SELECT g FROM Guest g ORDER BY g.id", Guest.class); return query .getResultList(); } } The  GuestDao session bean (EJB) class defines two methods

() { TypedQuery query = em.createQuery( "SELECT g FROM Guest g ORDER BY g.id", Guest.class); return query .getResultList(); } } The GuestDao Spring component class defines two methods: persist

getAllGuests() { TypedQuery query = em.createQuery( "SELECT g FROM Guest g ORDER BY g.id", Guest.class); return query .getResultList(); } } The GuestDao Spring component class defines two methods: persist

); } // Retrieves all the guests: public List getAllGuests() { TypedQuery query = em.createQuery( "SELECT g FROM Guest g ORDER BY g.id", Guest.class); return query .getResultList(); } } The GuestDao session bean (EJB