ObjectDB Database Search

Hi, I am trying query one of my DB - for all object types that implement a given interface.     TypedQuery query =         em.createQuery ... variable ('bk') of type Signals.Signal_Interface (error 737) at com.objectdb.jpa.JpaQuery

that are just doing simple queries (just selects, no update or delete ...) show locks like these (question ... on separate disks you may be able to refer read only queries to replicated slaves. support Support ... We can see that the more threads are doing exactly the same query we step into more and more situations

a multi variable query with JOIN . support Support Thank you for the fast support ... elements by OrderData.items.itemId. I cant get a proper query with MEMBER OF or IN. Does anyone have an idea on how i could formulate that as Typed or CriteriaBuilder query ? Thanks.   @Entity

How write a query in JPA2 with LEFT JOIN on INNER JOIN? select a.description, a.id, p1.description ... ; JOIN close is invalid in JPQL. Instead of ON you may  include all the variables in ... the WHERE clause. But actually your query may indicate that you model is not optimized for JPA. Instead

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

some years ago there was a chat around query hints http://www.objectdb.com/issue/2417 we are currently trying that with the latest version but we do not see that our hint is used this is the query ... .name = 'slots' and p4.doubleValue 0)) [[objectdb. query -plan-text=index(ctso['(TC)'-'(TC

, it is written that ObjectDB is 100% compatible with JPA. However, I have problem with this JPQL query ... .employeeEntity = e) ORDER BY e.name with Hibernate, there was no problem with this query , but ObjectDB throws exception: com.objectdb.o.UserException: Unexpected query token 'EXISTS' Second problem

Hi, We have a query that is constructed dynamically, an example is like this: SELECT DISTINCT $1 ... ')))) I've also tried running the CDI query first and passing the results into the organisation query as ... for issue http://www.objectdb.com/database/forum/350 This query in both variations takes over 3

SELECT query that we run on the DB which contains about 320,000 records of a single type of object ... (related to the query that we run). @Entity(name="RecordingMetaData") @SequenceGenerator( name ... EntityManager runs the queries (JPQL SELECT statements) shown next.  Query We test

; } With the following query : TypedQuery query = em().createQuery( "SELECT r.party FROM Relationship r ... =RelationshipType."+type.toString(), BaseObject.class); query .setParameter("otherParty_id", otherParty); query .setParameter("pclass", partyClass); We have noticed that this query slows down in a linear way

Hi, Is it possible to write a JPA query to select objects that contain a collection of elements ... WHERE si.term ????",Page.class); I want the query to give me all Pages that match all of the search ... that are already persisted. TypedQuery query = em.createQuery( "SELECT DISTINCT si.page FROM SearchIndex si

in query filters comparing this Date field. Could You please clarify why are there zero-size result collections in the first pack of queries and non-zero size results in the second pack ? I ... (); // these queries should find 1 item assertQueryResultSize(0, pm.newQuery(ClassWithDate.class

, with object 1.x, the same query was getting executed within an seconds and now the same is taking around 40 seconds in object db 2.x I have build the query using the follwoing Query query = persistanceManager ... (this.logEntryId)"); query .declareParameters("java.util.List typeIndexes,java.util.List

Hi all,   Honestly, I'm fairly new with JPA2 Criteria queries - but as far as code effort goes, it has saved me a bit of pain. I'm writing a dynamic query builder (only 1 level deep for basic entities) - but  even though I get most queries to work, I am getting the following error

Hello, we have a question again regarding query performance. The query : SELECT v FROM Values v WHERE v.step.stepNumber = ? is very slow in comparing to the query : SELECT v FROM Values v WHERE v.stepNumber = ? Can you explain why the first query needs so much time or do you have a hint

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

methods or persistent instance variables . An enum or interface may not be designated as

Jakarta Persistence (JPA) Annotation Type jakarta.persistence.Basic Implemented Interfaces: Annotation Target: Method, Field The simplest type of mapping of a persistent field or property to a single database column. The Basic annotation may be applied to a property or instance variable whose type

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

, 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

to avoid the use of Path variables . For example: CriteriaQuery q = cb.createQuery(Person.class); Root

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

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 ... StoredProcedureParameter Since: Jakarta Persistence (JPA) 2.1 Public Instance Methods QueryHint[] hints () Query

); } } } 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

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

Hello, we get when executing a query with MEMBER OF on a large list the following ... .o.PBI.q(PBI.jave:97) at com.objectdb.o.OBI.Vp(OBI.java:244) (... more see attached Image) Our query ... propertyClassName = propertyClass.getName(); String query = "SELECT DISTINCT property.uid FROM

make a query for only one field, it takes 0-3 milliseconds: SELECT p FROM RackPlanogram p WHERE p.rackOID = "826268" Query plan 1/2 description ============================ [Step 1] Scan index eu.extech ... '*:notNull]) /   However, when I make a query for two fields, ObjectDB does a scan

Hello! Attached you find a full stacktrace. The query was: SELECT COUNT(t) FROM Position t ... for the fields in the query . Log of the query execution using DEBUG logging level. support Support Hello ... the query below it will crash with the exception in crash.txt. select p from Position p where p.unit

file as it goes. It then loops through the data from the file and queries for the entity id based ... this should be sufficient as I only create/read one item of data at a time and am only querying for the id. After about 300 queries the test throws an out of memory exception so I assume the query data is being held