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Issue
14

After using the enhancer, Lazy loaded collections are no longer loading. They are set as null

After using the enhancer, Lazy loaded collections are no longer loading. They are set as null
Forum
14

Unable to update a OneToMany Set

Unable to update a OneToMany Set
Manual
14

JPA Primary Key

64 bit number (long) that is set automatically by ObjectDB for every new entity object that is stored ... key field: @Entity public class Project { @Id @GeneratedValue long id; // still set ... value generation is discussed in detail in the Generated Values section. Application Set Primary Key
Result
14

ObjectDB Object Database Features

ObjectDB provides a rich set of features. Many features are implemented as part of ObjectDB's ... . Persistence is set using JPA/JDO annotations (e.g. @Entity, @Id, @Index). Transparent activation ... .lang.BigDecimal. Collection types: Collection, List, Set, ArrayList, Vector, Stack, LinkedList
Manual
13

WHERE clause (JPQL / Criteria API)

language from a specified set of languages: SELECT c, l FROM Country c JOIN c.languages l WHERE c ... Queries The CriteriaQuery interface provides two where methods for setting the WHERE clause. Single ... the WHERE clause content (overriding previously set WHERE content if any). For example, the following JPQL
Manual
13

SELECT clause (JPQL / Criteria API)

query API provides several ways for setting the SELECT clause. Single Selection Setting a single ... .get("currency")).distinct(true); The select method takes one argument of type Selection and sets it as the SELECT clause content (overriding previously set SELECT content if any). Every valid criteria API
JDO Doc
12

javax.jdo.Query

to prepare and optimize an execution plan. Since: JDO 1.0 void declareImports(String imports) Set the import statements to be used to identify the fully qualified name of variables or parameters. Set ... is executed with the parameters set by the Map values. Each Map entry consists of a key which is the name
JDO Doc
12

javax.jdo.PersistenceManager

are subject to eviction based on the RetainValues setting. Since: JDO 1.0 See Also: evict(Object pc ... . If exceptions occur during flush, the implementation will set the current transaction's ... the copyOnAttach setting. Gets the copyOnAttach setting. Returns: the copyOnAttach setting. Since: JDO 2.1
Manual
11

Comparison in JPQL and Criteria API

ObjectDB supports two sets of comparison operators, as shown in the following table:   Set 1 - JPQL / SQL Set 2 - Java / JDO Less Than < < Greater Than > > Less Than or Equal To <= <= Greater Than or Equal To >= >= Equal = == Not Equal <> != The two sets differ in the Equal and the Not Equal
Manual
11

Deleting JPA Entity Objects

, which is another entity class. Due to the CascadeType.REMOVE setting, when an Employee instance is removed the operation ... . The difference between the two settings is in the response to disconnecting a relationship. For example, such as when setting the address field to null or to another Address object. If orphanRemoval=true