ObjectDB Database Search
151-200 of 200 resultsExtended mapping-definitions persisted depending on its java-class. But in this case all the instances would be saved in the same ' table ... it to the ' table ' MetaClass, but read the value val = obj.getName() and persist it to the ' table ... of one class in different ' tables '. Please clarify: Is it only for improving performance, or | |
Explorer in 2.3. Then allow import of that file into another database. 2. Lazy loading of data, especially in table view - With large amounts of data, it takes a long time for the Swing Table or Tree views to display. Any ... the Results either as a table or tree. 4. It would be terrific if the Database tab had lots | |
Database Inconsistency or corruption classes: @javax.persistence.Entity @javax.persistence. Table (name = "ObjectValues", schema = "dex ... = javax.persistence.GenerationType. TABLE , generator = "objectValueGen") @javax.persistence.TableGenerator(name = "objectValueGen", table = "IdValues", schema = "dex_01", pkColumnName = "idName | |
Updating Entities.observableArrayList(Query.employeeTable()); table .setItems(employees); id.setCellValueFactory(itemData ... table ... public class PaygradeModify { @FXML private TextField paygrade; private PaygradesOverview ... ARE made if the EmployeeOverview table has NOT been visibly loaded during Runtime once. As soon as the table | |
Double persist of Entity field with Cascade.ALL table , however with side effect on the Chapter table . For every new Chapter added to the Book, there are two Chapter records (usually added in sequential id) on the Chapter table when viewed in ... to the Book entity ON THE SERVER SIDE, then the Chapter table is OK (no duplicate records). I | |
Missing Data on Retrieval (0, null values) Table contains all necessary Data. Most of the others contains all Object-Rows', but most Values of the Columns are missing. With a em.clear() inside the Loop, all tables are exported ... tableName: tables ) { List resultList = em.createQuery("SELECT q FROM "+tableName+" "+n | |
@MappedSuperclass and @Transient not working as I expected, and one of its fields is annotated @Transient. I expected that when I persist a subclass, no table would be created for the superclass, and the transient field would not appear in any table . The actual result is that there is a table for the superclass. When I try to examine it in ObjectDB Explorer | |
@Unique added afterward is not taken into account were already added to the table ). As a consequence the unique constraint is not taken into account ... added to the table . It is a problem as we rely on the commit error to know when adding or updating object in table . This error was previously encountered in similar conditions with another table | |
Beginners questions) between two tables : Table "EBVerlag": @Entity(name="VERLAG") public class EBVerlag extends Pojo ... =CascadeType.ALL, mappedBy="VERLAG_ID") private List users; Table "EBUser": @Entity(name="USER ... the connection between these two tables correctly or not. 3.2. Both POJO-s extend my own class "Pojo.class | |
Finance data from SQL Server into ObjectDB daily this make sense? Is there a way to map the structure of the table directly into ObjectDB from SQL Server? Thanks. ExpII chris You cannot map RDBMS tables directly to ObjectDB but you can use other JPA implementations to retrieve data from RDBMS tables and then use the same JPA entity classes | |
performance limit Hi, can someone share expirience with performance limits of ObjectDB especialy when quering tables with large records sets. Our issue is with tables with 100.000+ records. Everything was OK when we had few thousand records. We have a simple SELECT statement which selects from a table with 100.000 | |
Relationships and tracking changes relationship I try to create a 1-n relation (EBVerlag is 1 and EBUser is n) between two tables : Table ... ="VERLAG_ID") private List users; Table "EBUser": @Entity(name="USER") public class EBUser extends Pojo ... these two tables correctly or not. 3.2. Both POJO-s extend my own class "Pojo.class" which looks like | |
jakarta.persistence.JoinColumn.comment Jakarta Persistence (JPA) Method in jakarta.persistence.JoinColumn String comment (Optional) A comment to be applied to the column. This is only used if table generation is in effect. Default: "" Since: Jakarta Persistence (JPA) 3.2 | |
jakarta.persistence.JoinTable.foreignKey Jakarta Persistence (JPA) Method in jakarta.persistence.JoinTable ForeignKey foreignKey (Optional) Used to specify or control the generation of a foreign key constraint for the columns corresponding to the JoinTable.joinColumns element when table generation is in effect. If both this element | |
jakarta.persistence.JoinTable.inverseForeignKey Jakarta Persistence (JPA) Method in jakarta.persistence.JoinTable ForeignKey inverseForeignKey (Optional) Used to specify or control the generation of a foreign key constraint for the columns corresponding to the JoinTable.inverseJoinColumns element when table generation is in effect | |
jakarta.persistence.SecondaryTable.schema Jakarta Persistence (JPA) Method in jakarta.persistence.SecondaryTable String schema (Optional) The schema of the table . Defaults to the default schema for user. Default: "" Since: Jakarta Persistence (JPA) 1.0 | |
jakarta.persistence.SecondaryTable.foreignKey Jakarta Persistence (JPA) Method in jakarta.persistence.SecondaryTable ForeignKey foreignKey (Optional) Used to specify or control the generation of a foreign key constraint for the columns corresponding to the SecondaryTable.pkJoinColumns element when table generation is in effect | |
jakarta.persistence.SecondaryTable.name Jakarta Persistence (JPA) Method in jakarta.persistence.SecondaryTable String name (Required) The name of the table . Since: Jakarta Persistence (JPA) 1.0 | |
jakarta.persistence.SecondaryTable.catalog Jakarta Persistence (JPA) Method in jakarta.persistence.SecondaryTable String catalog (Optional) The catalog of the table . Defaults to the default catalog. Default: "" Since: Jakarta Persistence (JPA) 1.0 | |
jakarta.persistence.SecondaryTables.value Jakarta Persistence (JPA) Method in jakarta.persistence.SecondaryTables SecondaryTable[] value (Required) The secondary tables for an entity. Since: Jakarta Persistence (JPA) 1.0 | |
jakarta.persistence.CollectionTable.name Jakarta Persistence (JPA) Method in jakarta.persistence.CollectionTable String name (Optional) The name of the collection table . If not specified, it defaults to the concatenation of the name of the containing entity and the name of the collection attribute, separated by an underscore. Default: "" Since: Jakarta Persistence (JPA) 1.0 | |
jakarta.persistence.CollectionTable.catalog Jakarta Persistence (JPA) Method in jakarta.persistence.CollectionTable String catalog (Optional) The catalog of the table . If not specified, the default catalog is used. Default: "" Since: Jakarta Persistence (JPA) 1.0 | |
jakarta.persistence.CollectionTable.schema Jakarta Persistence (JPA) Method in jakarta.persistence.CollectionTable String schema (Optional) The schema of the table . If not specified, the default schema for the user is used. Default: "" Since: Jakarta Persistence (JPA) 1.0 | |
jakarta.persistence.CollectionTable.foreignKey Jakarta Persistence (JPA) Method in jakarta.persistence.CollectionTable ForeignKey foreignKey (Optional) Used to specify or control the generation of a foreign key constraint for the columns corresponding to the CollectionTable.joinColumns element when table generation is in effect | |
jakarta.persistence.SchemaManager.truncate() Jakarta Persistence (JPA) Method in jakarta.persistence.SchemaManager void truncate() Truncate the database tables mapped by entities belonging to the persistence unit, and then re-import initial data from any configured SQL scripts for data loading. If a SQL operation fails, the behavior | |
jakarta.persistence.PrimaryKeyJoinColumn.foreignKey Jakarta Persistence (JPA) Method in jakarta.persistence.PrimaryKeyJoinColumn ForeignKey foreignKey (Optional) Used to specify or control the generation of a foreign key constraint for the primary key join column when table generation is in effect. If this element is not specified, the persistence | |
jakarta.persistence.Column.check Jakarta Persistence (JPA) Method in jakarta.persistence.Column CheckConstraint[] check (Optional) Check constraints to be applied to the column. These are only used if table generation is in effect. Default: {} Since: Jakarta Persistence (JPA) 3.2 | |
jakarta.persistence.Column.comment Jakarta Persistence (JPA) Method in jakarta.persistence.Column String comment (Optional) A comment to be applied to the column. This is only used if table generation is in effect. Default: "" Since: Jakarta Persistence (JPA) 3.2 | |
jakarta.persistence.PrimaryKeyJoinColumns.foreignKey Jakarta Persistence (JPA) Method in jakarta.persistence.PrimaryKeyJoinColumns ForeignKey foreignKey (Optional) Used to specify or control the generation of a foreign key constraint when table generation is in effect. If both this element and the foreignKey element of any | |
jakarta.persistence.AssociationOverride.joinColumns. The joinColumns element must not be specified if a join table is used in the overriding of the mapping | |
jakarta.persistence.AssociationOverride.foreignKey Jakarta Persistence (JPA) Method in jakarta.persistence.AssociationOverride ForeignKey foreignKey (Optional) Used to specify or control the generation of a foreign key constraint for the columns corresponding to the joinColumns element when table generation is in effect. If both this element | |
JPQL query to get entities that does not have a child entity in their child entities I have 2 tables as shown below. Job Table ID JobId Name StartTime FinishTime ... :00 2105:12:10 14:00:00 And Status Table ID Status   ... ; 004 From these 2 tables I have to query for Jobs having states FINISHED, CANCELED, FAILED | |
General Performance Issues Illustrated with a Specific Method; import javax.persistence.ManyToOne; import javax.persistence.OneToOne; import javax.persistence. Table ; import javax.persistence.Temporal; import lk.gov.health.phsp.pojcs.Identifiable; @Entity @ Table ... . Table ; import javax.persistence.Temporal; import javax.persistence.Transient; import lk.gov.health | |
Dirty checking a single html table , showing a list of users with these columns: Company name, User name So, first the client loads the user table . The actual users rows may depend on whether the client is an administrator, or a group leader, etc. Now that table is a projection/lens/reactive-query over a subset | |
On ensuring ID available after persist This is a good point. Notice that the most portable generation strategy is TABLE , because: AUTO - each JPA ... it may be slower than just using SEQUENCE or TABLE . support Support The reason that ObjectDB doesn't ... the SEQUENCE or TABLE strategies, which support allocating a group of IDs in advance in | |
Using ObjectDB with JDBC (in similar way with JPA 2) Using JDBC, I can use a String to create the schema of a table : String sql = "CREATE TABLE ... to similarly use a string to create a table BUT with ObjectDB as my database. Can I pair JDBC ... class. ObjectDB is not a relational database, so you don't have to create tables . support Support | |
Find the error...JPA ENTITY HIBERNATE; import javax.persistence.ManyToMany; import javax.persistence.ManyToOne; import javax.persistence. Table ; @SuppressWarnings("unused") @Entity @ Table (name = "user") public class user implements ... .ManyToMany; import javax.persistence. Table ; @Entity @ Table (name = "message") public class message | |
Removing entity class ObjectDB database. The 2 tables for these entities are empty, but the tables exist, so they count into 10 entities limit. My question is: Is it possible to remove entity/ table completely from | |
mappedSuperClass and subClass Duplicates When I subclass a mappedSuperClass, a table for both appears in the Explorer. Am I correct ... instances of all its subclasses in one view window. No tables are created. support Support However, it appears that the super classes in the explorer count toward the ten (10) table limit for the free | |
A few questions on object database design. He has stability issues with the ObjectDB if we are accessing the same table all the time. I know that ObjectDB outperforms a lot of other conventional table -oriented databases, but I'm wondering ... entities, then it seems like we are back to the table -oriented databases' design principles | |
Persist error @ManyToMany how to define correct entities relationships the 1000 products and keep Catgory table at 20 entities, not 1000 or 2000. lo Hoel ... entity is created, the table is empty, however categories are well present within Product (as ... the table on 2, and it is not filled correctly, the other category is ignored. package | |
Query Method NullPointerException on List iteration Hello, i'm new to ObjectDB and want to create a query which sums up the product categories of a supplier. Table Supplier: supplierId supplierName address List products Table Product: ProductId productName Price ProductCategory categoriy Supplier supplier Table ProductCategory | |
Suggestion for improving the examples Hello your documentation and tutorials would make a lot more sense if SQL TABLES , QUERIES ... an employee Object but wait What does the table look like. Nope not in the example. Wait ... , silently ignores @ Table and other ORM annotation . support Support Note also that ObjectDB | |
Complex Schema Upgrade not working in the previous Contact and Customer tables to be empty as well as the new Address class' table | |
Populating entity id before transaction commit to finding ID of entity before commit? lwalkowski Lukasz Walkowski You can use a SEQUENCE (or TABLE ... to sequence or table or I will try to force setting id. Thanks. lwalkowski Lukasz Walkowski | |
How to define database structure and insert some initial objects from scratch Hi from Spain! We're evaluating ObjectDB and we have some questions: - How can we create the initial database structure of our application? We know objectdb is all about objects and probably doesn't need initial structure like tables , but how can we populate some " tables " with initial data from | |
em.flush(); em.clear(); loosing data and not persisting managed objects.persistence.Lob; import javax.persistence. Table ; @Entity @ Table (name = "TestEntity", schema = "mySchema | |
LazyInitialization / join fetch : When I click the Items table hibernate does all these other queries without me asking . I ... click the Items table hibernate does all these other queries without me asking . `` ` Hibernate | |
Once served to JSF page via @EJB query bean, many list fields are null (but same query ok after fresh persist in @PostConstruct) to understand with careful output logging to the Glassfish logs, and also with a diagnostic table ... (null) There is also a copy of the indexTest.xhtml output with a table of the query results attached ... between a Guest object and simple relational database table . I don't mind being wrong if I learn | |
After using the enhancer, Lazy loaded collections are no longer loading. They are set as null(strategy= GenerationType. TABLE ) protected Long id; @Override public Long getId() { return id ... { @Id @Column(name = "project_id") @GeneratedValue(strategy= GenerationType. TABLE ) protected Long id |