ObjectDB Database Search

ok my problem,    i persist a Squad Object into a Cup Object at the beginning, after i have to create and persist a competition object in which i have to put some of the already created/persisted squads. the final method looks like that: public void actionPerformed(ActionEvent e) { List

Hello, I encounter an issue with the @Unique annotation. The annotation was added on a given field itemID (String), important point : the annotation was added afterwards (after objects were already added to the table). As a consequence the unique constraint is not taken into account

We would like to write the logs of ObjectDB with into the log of our application. What do you use for logging? With or without slf4j and if so, what concrete implementation? Do you see a way to combine your logging with our logging? btc_es BTC EmbeddedSystems The ObjectDB logging is based

Hello, I've just installed ObjectDB and done some tests. I'm inserting 22k of records like 10k ... one entity have index on String column. Entities are not enhanced and inserts are committed in a separate ... ; then 11 seconds and so on. Should I change my config in some way to get more stable insertion time

1. I got about 10K inserts / second, is it normal? I would expect more than that, like close to 100K/second. I can definitely do 80K inserts /seconds on Oracle with batch insert on table with one primary key. 2. Is batch update/ insert operation supported? I attached the files. edy_at_ssn Edy Oey

Need to close+open database for a commit to be taken into account

Hello, I have a problem with inserting of many entities. We use strings as primary key and indices. But if the db table of the entity type contains more and more data then the inserting of further entities needs also more and more ram memory, this leads to out of memory exceptions. But if use

Hello, we have an entity class hierarchy and we want to insert a new entity in this hierarchy and our database must be automatically updated by schema evolution. Unfortunately it does not work ... would be also inserted new in the class hierarchy then it works well. See our example in the attachments. Execute

I want to implement Insert ignore in Objectdb. means if a column is declared as Unique but in case of duplicate it just ignore that row and should not throw exception. Thanks  Manoj Manoj Kumar Maharana Ignoring duplicates is the default when unique is not specified, so the question

Cannot initialize db after inserting a java.util.List

Significant I/O costs during batch update or insert data.

I store images into objectdb. The schema is : ::=( , , , , ) ::=String ::=char ::=int ::=byte[] ::=@ID So simple a class will fail after 155,648 insertions with -Xmx1432m, ... NO = 151552 ... insertions ? Question 2 : Why the size of db increased to 16,671,309,824, while the original images

hi . i am Mauro . i have tried the tutorial for the objectDB and netbeans and JAvaee6 I have insert the persistencex.ml like tutorial (for the embedded mode) . but when i have insert the name into form for to save the new guest into db , i get the following message from glassfsih:   HTTP

it into objectdb.jar, although not very pretty. Alternatively, see this forum thread and the solution ... another Problem... This code works : storageSvc.registerEntity(LocalEntity.class); storageSvc. insert (new ... run the code a second time (without the insert ) I get a ClassCastException (LocalEntity

hello on mysql i've seen;   INSERT INTO table (a,b,c) VALUES (1,2,3),(4,5,6) ON DUPLICATE KEY UPDATE c=VALUES(a)+VALUES(b);   This query , inserts data or updates if its already available and this will reduce finding same object again. On jpa :     User obj2

I'm currently working on developing my own API to use with ObjectDB and I'm running into the following problem.  Using the API I can insert data into an empty database without any issues ... has already been added for this class, produces this exception. Any insight into why and how I

Hi I have a DB with 4 entities and a total of 4 index. Once I reach 1048565 total objects in the whole DB, i am unable to insert more object, although i get NO error message nor exceptions. Doctor said Db is fine (see below) I notice that 1048565 objects + 4 entities + 4 ID indexes + 4

how breaking a database into multiple files, for example one file per entity class, may help ... files. ... but could you please provide more information regarding how breaking a database into ... . You may also insert a deliberate error in the  objectdb.conf  file - if the application

full), since the exact size depends on the order in which the data is inserted . But any unused space in a BTree ... window of time to perform these backups.  We've looked into using the replication strategy ... and if it exists, all preceding updates also exist. support Support Kevinwh, I'm looking into ObjectDB

Ran into this error for the first time (after many years of using odb): Caused by: com.objectdb.o ... guess I should read doco more. I ran into the same error from a pessimistically locked entity (global ... - but only after stress testing the insertion test case. 5 threads/100 repetitions gave Optimistic lock error

driven. This means we have several domains. Each domain is split into business layer and persistence ... ; How to use the example step-by-step: 1) Import all projects of the example #2 into your Eclipse (We use ... has three ant task files. You must insert your own activation code in the objectdb.conf. Clean up the project

JPA Enum Constant in jakarta.persistence.CacheStoreMode BYPASS Don't insert into cache. Since: JPA 2.0

JPA Method in jakarta.persistence.EntityManager T merge (   T entity ) Merge the state of the given new or detached entity instance into the current persistence context, resulting in, respectively, an insert or possible update when the persistence context is synchronized

like " insert into ObjectT values('hasan','test')" to ObjectT obj = new ObjectT("hasan","test"); em

to work on that falls into the category of "if it ain't broke don't fix it" because what we're ... FYI, a new ObjectDB 2 version that has just been released (2.0 RC3) improves performance of insert

 odb file and inserts 200 records at a time. The transaction obtained from the PersistentManager ... to other ftp sites from my PC, but cannot connect to objectdb.com Our IT team is still looking into

the object instance after inserting it into the database everything is perfect -- in debugger

Hello, we have a useCase in which we consume too much memory and run into a "GC overhead limit exceeded" exception. Nearly 90% of the memory are taken by com.objectdb.o.PRU (49%) com.objectdb.o.SEV ... (PRU, SEV, VAL[]) has been created. btc_es BTC EmbeddedSystems This may be caused by large insert

@Indices({@Index(members = {"id.field2"})}) or do I have to duplicate entity.id.field2 into entity ... : is there any insert /query performance difference between defining an index on a primitive field or

.zip (the maven project) and imported it into eclipse but I now get the following error in pom.xml ... JBoss versions. support Support Again, many thanks for your efforts. In the end it worked inserting

is responsible for updating the ordering upon flushing to the database to reflect any insertion , deletion, or ... . Defaults to generated SQL to create a column of the inferred type. Since: JPA 2.0 boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements generated by

until after the database insert has occurred. Returns null if the entity does not yet have an id. Parameters ... of the entity. A generated version is not guaranteed to be available until after the database insert

foreign key strategy is selected by the persistence provider. Since: JPA 2.1 boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements generated by the persistence

boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements

is in effect. Since: JPA 3.2 boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements generated by the persistence provider. Since: JPA 1.0 int length default

boolean insertable default true (Optional) Whether the column is included in SQL INSERT statements

has fixed the problem. The scenario is still the same: I have two "producer" processes which insert messages into an objectdb "queue" database running with an objectdb server process. I have one "consumer" process which reads messages from the queue database and inserts these into an embedded "normal

JPA Method in jakarta.persistence.PersistenceUnitUtil Object getIdentifier (   Object entity ) Return the id of the entity. A generated id is not guaranteed to be available until after the database insert has occurred. Returns null if the entity does not yet have an id. Parameters

JPA Enum Constant in jakarta.persistence.CacheStoreMode REFRESH Insert /update entity data held in the cache when read from the database and when written to the database. Force refresh of cache for items read from database. Since: JPA 2.0

JPA Method in jakarta.persistence.EntityManager void persist (   Object entity ) Make a new entity instance managed and persistent, resulting in its insertion in the database when the persistence context is synchronized with the database, or make a removed entity managed, undoing

JPA Method in jakarta.persistence.PersistenceUnitUtil Object getVersion (   Object entity ) Return the version of the entity. A generated version is not guaranteed to be available until after the database insert has occurred. Returns null if the entity does not yet have an id

in the entity attribute into the data representation to be stored in the database. Parameters ... the database column into the value to be stored in the entity attribute. Note

subclass-specific attributes. Superclass subgraph entries are merged into subclass subgraphs ... will be merged into subclass subgraphs. The value of this element is the name of the subgraph as specified

to the initial empty state of the database. I inserted a few rows into the databases and still got the error

be possible to somewhat generate a key with maven & odb on developer machine that could be inserted into

messages. The message is split into a lightweight metadata message to allow fast searching and a more heavy weight data message. The put methods are shown below. The message is made up of an id, insert

JPA Interface Bindable Type Parameters: - The type of the represented object or attribute An instances of the type Bindable represents an object or attribute type that can be bound into a Path . Since: JPA 2.0 Public Methods Class getBindableJavaType () Return the Java type of the represented

JPA Method in jakarta.persistence.AttributeConverter X convertToEntityAttribute (   Y dbData ) Converts the data stored in the database column into the value to be stored in the entity attribute. Note that it is the responsibility of the converter writer to specify the correct

JPA Method in jakarta.persistence.AttributeConverter Y convertToDatabaseColumn (   X attribute ) Converts the value stored in the entity attribute into the data representation to be stored in the database. Parameters: attribute - the entity attribute value to be converted Return

entries are merged into subclass subgraphs. The value of this element is the name of the key subgraph