About join

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Forum
19

Join query problem with new statetment

when using query with join. The query code is: TypedQuery inspirationQuery ... ) from Inspiration insp join insp.products p where (p.supplier = ?1 ... ) from Inspiration insp join insp.products p where (p.supplier = ?1
Forum
19

LEFT (OUTER) JOIN problem when mappedBy is defined

this query: "SELECT i FROM Invoice i LEFT OUTER JOIN i.itemList items" But this query never returns ... JOIN works correctly. Is this normal behaviour? Thank you Michael   Sample application public ... Invoice i LEFT OUTER JOIN i.itemList items"); List resultList = query.getResultList
Issue
19

Problem with JOIN and inheritance

.customer.VendorCustomer $1 JOIN $1.qubletFRAGMENTMAP $2, com.quasado.foundation.warehouse.contract ... I do select from "VendorCustomer" yet through using the join, he is also selecting all "Customer ... should not even join the $1.qubletFRAGMENTMAP of any other class but "VendorCustomer"!? thanks Alex My bad, 2.4.0 seems to fix it. quasado
Forum
18

"Problem" with cross join

=InheritanceType.JOINED) ... @ManyToOne private CI ci; subclass CIstring private String text; I ... fields in JOIN queries). Please try the new build (2.0.4_01) that should fix the bug. The attached test
JPA Doc
18

javax.persistence.JoinColumn

a column for joining an entity association or element collection. If the JoinColumn annotation itself is defaulted, a single join column is assumed and the default values apply. Example ... @JoinColumn(name="CUST_ID") // join column is in table for Order public Set
Forum
18

joining of tables

Hi In objectdb site i found :Note: This ORM/SQL annotation is silently ignored by ObjectDB so i want  join tow table and generate a third table. Ex:  table 1: employee    table 2: address  and the generate table will be table 3: emp_add employee: e_id, e_name address: add_id, city, house
Issue
18

Mapped by fields are not initialized by JOIN FETCH in queries

As demonstrated in this forum thread, a mapped by collection field with lazy fetch mode is not initialized in results of a query that uses JOIN FETCH on that collection field (when enhancement is used).   Build 2.4.1_06 fixes this issue (fields are now initialized and the test in the forum passes
JPA Doc
16

javax.persistence.MapKeyJoinColumn

) Specifies a mapping to an entity that is a map key. The map key join column is in the collection table, join table, or table of the target entity that is used to represent the map. If no MapKeyJoinColumn annotation is specified, a single join column is assumed and the default values apply. Example 1
Manual
13

Online Backup

);     Thread backupThread = backupQuery.getSingleResult();     backupThread.join(); // Wait
Manual
13

SELECT clause (JPQL / Criteria API)

can be added to the SELECT clause by using a bound JOIN variable in the FROM clause. Nested path expressions