ObjectDB Database Search

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	Merge with Parent/Child entities not possible , cascade = CascadeType.ALL, mappedBy = "parent", orphanRemoval = true) @MapKey(name = "childName
	How to delete M2M relationship? In user model class I have the following: public class User implements Serializable { @Id @GeneratedValue(strategy = GenerationType.AUTO) private Long id; @ManyToMany( mappedBy = "attendees", cascade
	Problem with @OrderBy ; @OneToMany( mappedBy ="defect") @OrderBy("seqRel, noteSeq
	Query only works correctly when debug printing results @GeneratedValue private long id; private String reqLevelName = "DEF"; @OneToMany( mappedBy
	Possible issue for JPQL IS EMPTY expression class MyEntity { @OneToMany( mappedBy ="myentity") ArrayList others = new ArrayList (); void
	Unexpeted internal exception .class, mappedBy = "paises", cascade = CascadeType.ALL) private ListProperty listaCiudades = new
	Cascading persistence through an inverse field ) { points.add(p); } ... } @Entity public class Point { @ManyToMany( mappedBy ="points", cascade={PERSIST
	Problem with merging / persisitng objects with @Embeddable field Serializable, Convertable { @ManyToMany(targetEntity = ProductSet.class, mappedBy = "productDemands
	@OneToOne query issue with OR and IS NULL Hello, I'm struggeling to get a query run right. I have 2 entities (simplified) class A { @Id @GeneratedValue private Long key; @OneToOne( mappedBy = "other", cascade
	Error during cascaded merge "}),}) public class Unit implements Serializable, Comparable { ... @OneToMany( mappedBy = "unit", cascade
	List always null ; @OneToMany(targetEntity = Noticia.class, mappedBy = "categorias", cascade = CascadeType.PERSIST
	Failed to write the value of field using reflection (error 363) on LAZY fetch =FetchType.LAZY, mappedBy ="modell", cascade=CascadeType.ALL) private List articles = new ArrayList (); public
	Items in list are doubled, when the entity class is not enhanced id; @OneToMany( mappedBy = "customer",fetch= FetchType.EAGER,
	Removing an element from an @OneToMany doesn't work Hello. I have a Parent and Child entities. // in the parent @OneToMany( mappedBy = "parent", fetch = FetchType.EAGER, cascade = CascadeType.ALL) private List children; // in the child @ManyToOne private Parent parent; Somewhere I do this: parent.getChildren().remove(0); manager.merge(parent
	Foreign key constraint issue (cascade = {CascadeType.MERGE, CascadeType.REMOVE}, mappedBy = "parent", orphanRemoval = true)
	Mapped (Inverse) LAZY @OneToMany vs. Unmapped LAZY @OneToMany ; @OneToMany(fetch = FetchType.LAZY, mappedBy = "a", cascade = CascadeType.ALL)
	"Problem" with cross join ; @OneToMany( mappedBy ="ci") private List content; abstract class CIdata (@Inheritance(strategy=InheritanceType
	Extra uninitialised entities spawned on merge() (); @OneToMany( mappedBy = "owner",
	Problem with entities detection ; @Embedded private Direccion direccion; @OneToMany( mappedBy = "idAlumno") private List
	Merge Issue: Attempt to reuse an existing primary key value = CascadeType.ALL, mappedBy = "parent") @OneToMany(fetch
	Find the error...JPA ENTITY HIBERNATE (name = "message") private String message; @ManyToMany( mappedBy = "messages") private Set user; public
	Cannot sort descending, when ordering by caluculated float in a method , to demonstrate the issue: @Entity public class Invoice { @OneToMany( mappedBy = "invoice", fetch
	Mysterious "Attempt to persist a reference to a non managed instance" error @ManyToMany(cascade = {CascadeType.ALL}, targetEntity = Passenger.class, mappedBy = "buses")
	Remove not working (); emf.close(); } @Entity public static class A { @OneToMany( mappedBy ="a", cascade=CascadeType
	Enhanced classes problem and annotations: @OneToMany(fetch = FetchType.EAGER, mappedBy = "jobInfoId") // relation
	JPQL support for mapped by (inverse) collections ; @OneToMany( mappedBy ="a") ArrayList list
	com.objectdb.o.InternalException: java.lang.NullPointerException Hello, I have a CUIT entity, with a OneToMany List field called razonesSociales (that can be null): @OneToMany ( mappedBy = "cuit") private List razonesSociales; When I run this query it works ok: SELECT COUNT(item.sysID) FROM CUIT item WHERE ( (item.sysStatus.sysID=1) AND