 2 | Method javax.persistence.criteria.From Set<Join> getJoins() Return the joins that have been made from this bound type. Returns empty set if no joins have been made from this bound type. Modifications to the set do not affect the query. Returns: joins made from this type Since: JPA 2.0 |
2 |
@CollectionTable(name="HOMES") // use default join column name
@AttributeOverrides ... only applies if a single join column is used. The default is the same as for JoinColumn (i.e ... column.) However, if there is more than one join column, a JoinColumn annotation must be specified |
2 | for a OneToMany entity relationship using a join table, the map key column is in a join table ... is for a OneToMany or ManyToMany entity relationship using a join table, the name of the join table |
2 | columns associated with this join. Generate or assume a foreign key constraint exists on the column or columns associated with this join. Specify "true" or "false". Returns: whether to generate or assume ... serialized (into a single column of a join table). Whether the key is to be stored serialized (into |
2 | . If no primary key join columns are specified, the join columns are assumed to reference the primary key columns ... that are used to join with the primary table. (Optional) The columns that are used to join |
2 | '" error is happening again, although with different stacktrace (no inner exception is shown ... .getSingleResult();
// Wait until the backup is completed.
try {
backupThread.join |
2 | only applies if a single join column is used. The default is the same as for JoinColumn (i.e ... column.) However, if there is more than one join column, a JoinColumn annotation must be specified for each join column using the JoinColumns annotation. In this case, both the name |
2 | Method javax.persistence.criteria.FetchParent Set> getFetches() Return the fetch joins that have been made from this type. Returns empty set if no fetch joins have been made from this type. Modifications to the set do not affect the query. Returns: fetch joins made from this type Since: JPA 2.0 |
2 | Method javax.persistence.criteria.Fetch JoinType getJoinType() Return the join type used in the fetch join. Returns: join type Since: JPA 2.0 |
2 | when it results from a get or join operation and the query result type is specified ... (Product.class);
q2.select(q2.from(Order.class)
.join("items")
.join("product")); Parameters: selection - selection specifying the item that is to be returned |