About join

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Issue
30

Issue with full cross joins

hi, There seems to be an issue with full cross joins & maps. This query: SELECT  $1 FROM com.lexware.vereinsverwaltung.verein.mitglied.Mitglied  $1 LEFT JOIN $1.qubletFRAGMENTMAP $4 ... values in JOIN has not been implemented and a map was handled as a collection of the first half
Forum
30

Join performance in Objectdb

annotated with @Id or @Index. In that case, executing the JOIN may require iteration over 160,000 x ... . Query 2 completed in 109 milliseconds (160000) The first query uses a JOIN on ID fields, similarly to your original query. The second query uses JOIN on direct references. The second form is simpler
Forum
30

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
30

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
30

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
30

"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
Forum
30

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
30

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
Manual
27

Paths and Types in JPQL and Criteria API [2014-05-31]

. It might be easier to understand exactly how this works by considering the equivalent JOIN query ... , Join and Join's descendants). Path Expressions The Root and Join interfaces (which are subinterfaces ... > country = query.from(Country.class); Join neighborCountry = country.join
Manual
27

Paths and Types in JPQL and Criteria API

. It might be easier to understand exactly how this works by considering the equivalent JOIN query ... , Join and Join's descendants). Path Expressions The Root and Join interfaces (which are subinterfaces ... > country = query.from(Country.class); Join neighborCountry = country.join