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256

Query in JPA2 with LEFT JOIN on INNER JOIN

How write a query in JPA2 with LEFT JOIN on INNER JOIN? select a.description, a.id, p1 ... inner join profile p1 on ap1.id_profile=p1.id and p1.name='?' left join action_profile ap2 on ap2.id_action=a.id inner join profile p2 on ap2.id_profile=p2.id and p2.name='?' where a.id =?; Thanks
110

FROM clause (JPQL / Criteria API)

phase, a full iteration over the Cartesian product is avoided. [INNER] JOIN As discussed above, range ... and one join variable: SELECT c1, c2 FROM Country c1 INNER JOIN c1.neighbors c2 In JPQL, JOIN can only appear in a FROM clause. The INNER keyword is optional (i.e. INNER JOIN is equivalent to JOIN). c1
92

JoinType.INNER

Enum Constant javax.persistence.criteria.JoinType INNER Inner join. Since: JPA 2.0
85

javax.persistence.criteria.Join

to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target of the join Returns ... a fetch join to the specified collection-valued attribute using an inner join. Create a fetch join
50

javax.persistence.criteria.SetJoin

to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target of the join Returns ... a fetch join to the specified collection-valued attribute using an inner join. Create a fetch join
50

javax.persistence.criteria.ListJoin

to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target of the join Returns ... ) Create a fetch join to the specified collection-valued attribute using an inner join. Create a fetch
50

javax.persistence.criteria.CollectionJoin

attributeName) Create a fetch join to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute ... ( PluralAttribute<?,?,Y> attribute) Create a fetch join to the specified collection-valued attribute using an inner
50

javax.persistence.criteria.MapJoin

a fetch join to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute for the target ... > attribute) Create a fetch join to the specified collection-valued attribute using an inner join. Create
50

javax.persistence.criteria.PluralJoin

attributeName) Create a fetch join to the specified attribute using an inner join. Create a fetch join to the specified attribute using an inner join. Parameters: attributeName - name of the attribute ... an inner join. Create a fetch join to the specified collection-valued attribute using an inner join
49

javax.persistence.criteria.From

an inner join. Create a fetch join to the specified attribute using an inner join. Parameters ... collection-valued attribute using an inner join. Create a fetch join to the specified collection-valued attribute using an inner join. Parameters: attribute - target of the join Returns

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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