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51-100 of 200 resultsMultiple joins did not return expected result its id like: SELECT event FROM Calendar c1, SharedCalendar c2 INNER JOIN c1.events AS event INNER JOIN ... , SharedCalendar c2 INNER JOIN c1.events AS event1 INNER JOIN c2.original.events AS event2 WHERE c1.id=?1 | |
LEFT JOIN FETCH over empty embedded collection returns no results may be with the expression c.bList.val . Path expressions are considered as INNER JOIN by JPA ... First of all, thank you for promptly implementing JOIN FETCH over nested paths in response ... , but I attempt to LEFT JOIN FETCH all the members of a collection within a (non-existent) member | |
Query with FETCH JOIN returns multiple results instead of one. has the same join semantics as the corresponding inner or outer join , except that the related objects ... jpqlResult = em.createQuery( "SELECT d FROM Demand d JOIN FETCH d.services WHERE d=:demand ... You should be able to filter duplicates with DISTINCT: SELECT DISTINCT d FROM Demand d JOIN FETCH d.services | |
Possible issue for JPQL "LEFT [OUTER] JOIN" Possible issue for JPQL "LEFT [OUTER] JOIN " is doing "[ INNER ] JOIN ". Thanks. eurojet P. F ... ; - "SELECT a,b FROM A a LEFT OUTER JOIN a.listB b WHERE b IS NULL" where the output ... -valued field. - "SELECT a,b FROM A a LEFT OUTER JOIN a.listB b WHERE b.id IS NULL | |
JPQL JOIN FETCH Error Hello I get an error when executing the following JPQL query: select doi from Doi doi left join fetch doi.metadata metadata left join fetch metadata.titles titles left join fetch metadata.creators creators left join fetch metadata.descriptions descriptions left join fetch metadata.publishers | |
Left join fetch behaviour doesn't retrieve children? Hello, I'm a little bit confused about a left join fetch behaviour. In this test case, i try to fetch my 3 children using a left join fetch. But my collection is null after closing the em ... (); // Try to retrieve parent and children using left join fetch | |
multiple LEFT JOINs do not work as expected looks like this: SELECT DISTINCT $1 FROM Organisation $1 JOIN $1.attributeList $2 LEFT JOIN $1.parentOrg $3 LEFT JOIN $3.parentOrg $4 WHERE ((($2.name='Attribute1') AND ($2.valueAsString='1')) AND (($3.organisationId='root') OR ($4.organisationId='root'))) As I understand, since I use LEFT Joins | |
How do I achieve a Deep Fetch using JOIN FETCH? of eager fetch in JPQL as follows: SELECT c FROM C JOIN FETCH c.bList WHERE c.id=:id But when I attempt to take it to the 2nd level: SELECT c FROM C JOIN FETCH c.bList JOIN FETCH c.bList.aList WHERE c.id ... : SELECT c FROM C JOIN c.bList b JOIN FETCH c.bList JOIN FETCH b.aList WHERE c.id=:id but that gets | |
LazyInitialization / join fetch descrica2_2_3_ from the User usuario0_ left outer join on area area1_ usuario0_.codigo_area = area1_.codigo left outer join on User usuario2_ usuario0_.codigo_chefe = usuario2_.codigo left outer join company empresa3_ on usuario2_.codigo_empresa = empresa3_.codigo left outer join on specialty especialid4 | |
Lazy Init / Eager / Join Fetch collection strategy ? What to choose ? this article, join fetch seems to be the right choice. What about ObjectDb ? The implementation is totally different. Is an "All eager strategy" more efficient that many join fetch ( cartesian product + distinct ... all strategy" Or "Fetch Join strategy" for ObjectDb ? Regards, Xirt xirt Sylvain Is an "All eager | |
InternalError on multiple AND and JOIN Query Hi, Using objectdb 2.2.8_06. Running the following query: SELECT DISTINCT $1 FROM CDI $1 JOIN $1.contactDetails $2 JOIN $2.addresses $3 JOIN $3.attributeList $4 JOIN $2.phoneNumbers $5 JOIN $5.attributeList $6 WHERE ((($4.name='suburb') AND ($4.valueAsString='Los Angeles')) AND (($6.name | |
How to use JOIN FETCH? of using JOIN FETCH to avoid excessive round trips to the database: SELECT c FROM Country c JOIN FETCH c ... = em.createQuery( "select p from Person p join fetch p ... then this is normal for JOIN FETCH and you can remove duplication by using SELECT DISTINCT . support Support | |
Join query problem with new statetment when using query with join . The query code is: TypedQuery inspirationQuery = em.createQuery( ... Inspiration insp join insp.products p where (p.supplier = ?1)", ... ) from Inspiration insp join insp.products p where (p.supplier = ?1)", InspirationsPerSupplierResult | |
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 ... , LEFT JOIN works correctly. Is this normal behaviour? Thank you Michael Sample application public ... (); Query query = em.createQuery( "SELECT i FROM Invoice i LEFT OUTER JOIN i.itemList items"); List | |
Issue with Casting / Joins EmbeddedA); ... // Try to query using join From from = criteria.from(MyEntity.class); MapJoin join = from.joinMap("embeddeds"); Path pathToEmbeddedAName = join .value().get("name") | |
Detaching objects after JOIN FETCH Hi, I have a question about detaching objects after issuing query with JOIN FETCH. Let's say I ... with all A classes skipping lazy loading: select b from B b join fetch b.aClasses After closing entity manager, B ... thought, that after join fetch and CascadeType.DETACH list of A classes should be accessible from B | |
"Problem" with cross join. JOINED ) ... @ManyToOne private CI ci; subclass CIstring private String text; I am not sure ... fields in JOIN queries). Please try the new build (2.0.4_01) that should fix the bug. The attached | |
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 | |
Join performance in Objectdb, executing the JOIN may require iteration over 160,000 x 160,000 x 160,000 tuples. The following test | |
Query execution time issue inner join e.person person inner join person.address address left join address.place addressPlace left join address.city addressCity left join address.county addressCounty left join person.birthPlace birthPlace left join person.birthCounty birthCounty left join person.citizenship citizenship left | |
Performance issues on aggregate query) from ObjectNode o INNER JOIN o.properties p1 INNER JOIN o.properties p2 INNER JOIN o.properties p3 INNER JOIN o.properties p4 INNER JOIN o.properties p5 INNER JOIN o.properties p6 INNER JOIN o.properties p7 join o.linkedObjects c1 where o.classIdentifier = '(OP)' and (o.linkedObjects | |
javax.persistence.criteria.JoinType.JoinType Defines the three types of joins . Right outer joins and right outer fetch joins are not required to be supported. Applications that use RIGHT join types will not be portable. Since: JPA 2.0 Enum Constants INNER Inner join . Since: JPA 2.0 LEFT Left outer join . Since: JPA 2.0 RIGHT Right outer | |
SELECT clause (JPQL / Criteria API) in the results directly, but their content can be added to the SELECT clause by using a bound JOIN | |
JPA Query Structure (JPQL / Criteria) , multiselect , array , tuple , construct ). Criteria FROM ( from , join , fetch ). Criteria WHERE | |
JPA Queries elements (representing range variables, join and fetch): Other criteria query expressions (for all the query clauses): | |
DELETE Queries in JPA/JPQL of SELECT queries. DELETE queries cannot include multiple variables and JOIN , and cannot include the GROUP | |
What are the main benefits of using ObjectDB? that ability and require multiple tables, multiple records and join operations in order to support | |
WHERE clause (JPQL / Criteria API): SELECT c, l FROM Country c JOIN c.languages l WHERE c.population :p AND l in :languages The FROM clause | |
UPDATE SET Queries in JPA/JPQL variable (with or without an explicit variable name) for iteration. Multiple variables and JOIN are not | |
Online Backup;backupThread. join (); // Wait until the backup is completed. | |
JPA Criteria API Queries , join , fetch ). WHERE clause ( where ). GROUP BY / HAVING clauses ( groupBy , having , count , sum | |
FetchParent.fetch(attribute) - JPA Method JPA Method in javax.persistence.criteria.FetchParent Fetch fetch ( PluralAttribute attribute ) Create a fetch join to the specified collection-valued attribute using an inner join . Parameters: attribute - target of the join Return: the resulting join Since: JPA 2.0 | |
FetchParent.fetch(attribute) - JPA Method JPA Method in javax.persistence.criteria.FetchParent Fetch fetch ( SingularAttribute attribute ) Create a fetch join to the specified single-valued attribute using an inner join . Parameters: attribute - target of the join Return: the resulting fetch join Since: JPA 2.0 | |
FetchParent.fetch(attributeName) - JPA Method JPA Method in javax.persistence.criteria.FetchParent Fetch fetch ( String attributeName ) Create a fetch join to the specified attribute using an inner join . Parameters: attributeName - name of the attribute for the target of the join Return: the resulting fetch join Throws | |
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javax.persistence.criteria.Subquery CollectionJoin correlate ( CollectionJoin parentCollection) Create a subquery collection join object correlated to a collection join object of the enclosing query. Parameters: parentCollection - join object of the containing query Return: subquery join Since: JPA 2.0 Join correlate ( Join | |
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: @ManyToOne ... _ID") // join column is in table for Order public Set getOrders() {return orders | |
javax.persistence.MapKeyJoinColumn a mapping to an entity that is a map key. The map key join column is in the collection table, join ... annotation is specified, a single join column is assumed and the default values apply. Example 1: @Entity ... key. The table in which it is found depends upon the context. If the join is for a map key | |
javax.persistence.criteria.CriteriaBuilder CollectionJoin treat ( CollectionJoin join , Class type) Downcast CollectionJoin object to the specified type. Parameters: join - CollectionJoin object type - type to be downcast to Return: CollectionJoin object of the specified type Since: JPA 2.1 Join treat ( Join join , Class | |
Problem using "and" for joined entities and indexed fields Parent p join p.children c where c.age = 42", Parent.class).getResultList().size()); System.out.println(em.createQuery("select from Parent p join p ... ; System.out.println(em.createQuery("select from Parent p join p.children c where c | |
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, ... Alexander Adam It seems that simple iteration on map values in JOIN has not been implemented and a map | |
Problem with JOIN and inheritance.customer.VendorCustomer $1 JOIN $1.qubletFRAGMENTMAP $2, com.quasado.foundation.warehouse.contract ... 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 quasado | |
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). support Support Build 2.4.1_06 fixes this issue (fields are now initialized | |
javax.jdo.annotations.Join.extensions JDO Annotation Attribute in javax.jdo.annotations. Join Extension [] extensions default {} Vendor extensions. Since: JDO 2.1 | |
javax.jdo.annotations.Join.foreignKey JDO Annotation Attribute in javax.jdo.annotations. Join String foreignKey default "" Name for a generated foreign key constraint. Since: JDO 2.1 | |
javax.jdo.annotations.Join.uniqueKey JDO Annotation Attribute in javax.jdo.annotations. Join String uniqueKey default "" The name of the unique key constraint to generate. Since: JDO 2.1 | |
javax.jdo.annotations.Join.index JDO Annotation Attribute in javax.jdo.annotations. Join String index default "" The name of the index to generate. Since: JDO 2.1 |