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About OneToMany

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JPA Doc
6

JoinColumn.name

of the source entity or embeddable. If the join is for a unidirectional OneToMany mapping using a foreign ... is for a ManyToMany mapping or for a OneToOne or bidirectional ManyToOne/OneToMany mapping using a join table
JPA Doc
6

JoinColumn.table

is for a unidirectional OneToMany mapping using a foreign key mapping strategy, the name of the table ... ManyToOne/OneToMany mapping using a join table, the name of the join table. If the join is for an element
JPA Doc
6

MapKeyColumn.name

is for a ManyToMany entity relationship or for a OneToMany entity relationship using a join table, the map key column is in a join table. If the map key is for a OneToMany entity relationship using a foreign key
JPA Doc
6

MapKeyColumn.table

of the collection table for the map value. If the map key is for a OneToMany or ManyToMany entity relationship using a join table, the name of the join table for the map. If the map key is for a OneToMany entity
JPA Doc
6

MapKeyJoinColumn.name

for the map value. If the join is for a map key for a ManyToMany entity relationship or for a OneToMany ... is for a OneToMany entity relationship using a foreign key mapping strategy, the foreign key column
Forum
5

EntityManager.refresh takes a long time

itself with a cascade refresh: @OneToMany(mappedBy = "person", cascade = CascadeType.ALL) private List openIdAuths = new ArrayList<>(); @OneToMany(mappedBy = "person", cascade = CascadeType ... private List selectedMePersons = new ArrayList<>(); @OneToMany(mappedBy = "person
Forum
5

Performance issues on aggregate query

; public Double usedSolutionObjectTypeVersion; @OneToMany(fetch=FetchType.LAZY) @Index public List actions = new ArrayList(); @OneToMany(fetch=FetchType.LAZY) @Index public List childNodes = new ArrayList();   @OneToMany(fetch=FetchType.LAZY) public List
Forum
5

significant performance decrease

usedStandardObjectTypeVersion; public Double usedSolutionObjectTypeVersion; @OneToMany(fetch=FetchType.LAZY) public List actions = new ArrayList(); @OneToMany(fetch=FetchType.LAZY) public List childNodes = new ArrayList(); @OneToMany(fetch
Forum
4

persisting object with long[][] arrays of array

.persistence.OneToMany; @Entity public class TESTObject implements Serializable{     private static final long serialVersionUID = 1L;     public @Id String id;     @OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL) public long[] time;     @OneToMany(fetch = FetchType.EAGER
JPA Doc
4

javax.persistence.FetchType

See Also: Basic ElementCollection ManyToMany OneToMany ManyToOne OneToOne FetchType EAGER Defines that data